This document classifies and describes different types of computers. It discusses analog computers, digital computers, and hybrid computers. It then focuses on classifications of microcomputers like home computers, personal computers, mini computers, laptop computers, mainframe computers, super computers, wearable computers, and palm computers. For each type of computer, it provides a brief description of its key features and examples. The overall document aims to provide an overview of how computers can be classified according to their size and logical functions.
Uses of computer in various fields of lifeAftab Badshah
This document discusses the various uses of computers in different fields such as business, commerce, banking, industry, medicine, education, weather forecasting, transportation, defense, and nuclear energy. Computers are used in businesses for marketing, stock exchanges, and departmental stores. In banking, they handle multi-currency trading and automatic teller machines. Computers are also used in industry for machinery monitoring, temperature and pressure readings. Additional fields discussed include use of computers in travel, tourism, education, and home applications.
This document classifies and describes different types of computers. It discusses analog computers, which provide continuous outputs based on physical inputs like temperature or pressure. It then covers digital computers, which represent inputs and outputs numerically. Microcomputers are the smallest systems, including PCs, notebooks, and tablets. Mini computers are multi-user systems less powerful than mainframes. Mainframes offer high-speed processing and storage and function as central servers. Supercomputers, the most powerful and expensive, contain multiple parallel CPUs for tasks like weather modeling. The document also categorizes different forms of digital computers like desktops, workstations, notebooks, tablets, handhelds, and smartphones.
The document provides information about computers and their components. It defines what a computer is and describes some key parts like the CPU, memory, storage devices, and input/output components. It also discusses the history of computers and important figures like Charles Babbage. Generations of computers are outlined and examples of components like processors, monitors, and printers are explained. Storage capacity units and memory types are also defined.
A computer is a calculating device that can input, process, store, and retrieve vast amounts of data at incredible speeds and with perfect accuracy. It has characteristics such as speed, accuracy, diligence, versatility, and a powerful ability to remember information without limit. However, a computer lacks intelligence, feelings, and independent thinking - it can only perform tasks based on human instructions.
1. The document classifies computers based on their function, size, and purpose. It discusses analog computers, digital computers, and hybrid computers.
2. Computers are also classified based on their size as super computers, mainframe computers, mini computers, micro computers, desktop computers, and pocket computers. Super computers are the largest and are used for complex scientific applications.
3. The document provides examples and characteristics of different types of computers like their memory capacity, typical costs, and limitations. It compares their speeds, uses, and advantages over each other.
The document defines a computer as an electronic device that processes data into useful information. It notes that Charles Babbage is considered the father of computers for his work on the analytical engine in 1834. The document then discusses the main types of computers as analog, hybrid, and digital. It also categorizes computers by size as microcomputers, minicomputers, mainframe computers, and supercomputers and by function as servers, workstations, information appliances, and embedded computers. In closing, it thanks the audience.
This document provides an introduction to computers, including how they work and their key characteristics. It defines a computer as an electronic device that accepts input, processes data, stores data, and produces output. It then describes the main components of a computer and how data is processed. The document outlines the main characteristics of computers as being fast, accurate, having large memory and storage, being diligent and versatile. It also categorizes the different types of computers as analog, digital, and hybrid and provides examples of each type. Finally, it classifies computers as microcomputers, minicomputers, mainframes, and supercomputers and describes the defining features of each.
This document classifies and describes different types of computers. It discusses analog computers, digital computers, and hybrid computers. It then focuses on classifications of microcomputers like home computers, personal computers, mini computers, laptop computers, mainframe computers, super computers, wearable computers, and palm computers. For each type of computer, it provides a brief description of its key features and examples. The overall document aims to provide an overview of how computers can be classified according to their size and logical functions.
Uses of computer in various fields of lifeAftab Badshah
This document discusses the various uses of computers in different fields such as business, commerce, banking, industry, medicine, education, weather forecasting, transportation, defense, and nuclear energy. Computers are used in businesses for marketing, stock exchanges, and departmental stores. In banking, they handle multi-currency trading and automatic teller machines. Computers are also used in industry for machinery monitoring, temperature and pressure readings. Additional fields discussed include use of computers in travel, tourism, education, and home applications.
This document classifies and describes different types of computers. It discusses analog computers, which provide continuous outputs based on physical inputs like temperature or pressure. It then covers digital computers, which represent inputs and outputs numerically. Microcomputers are the smallest systems, including PCs, notebooks, and tablets. Mini computers are multi-user systems less powerful than mainframes. Mainframes offer high-speed processing and storage and function as central servers. Supercomputers, the most powerful and expensive, contain multiple parallel CPUs for tasks like weather modeling. The document also categorizes different forms of digital computers like desktops, workstations, notebooks, tablets, handhelds, and smartphones.
The document provides information about computers and their components. It defines what a computer is and describes some key parts like the CPU, memory, storage devices, and input/output components. It also discusses the history of computers and important figures like Charles Babbage. Generations of computers are outlined and examples of components like processors, monitors, and printers are explained. Storage capacity units and memory types are also defined.
A computer is a calculating device that can input, process, store, and retrieve vast amounts of data at incredible speeds and with perfect accuracy. It has characteristics such as speed, accuracy, diligence, versatility, and a powerful ability to remember information without limit. However, a computer lacks intelligence, feelings, and independent thinking - it can only perform tasks based on human instructions.
1. The document classifies computers based on their function, size, and purpose. It discusses analog computers, digital computers, and hybrid computers.
2. Computers are also classified based on their size as super computers, mainframe computers, mini computers, micro computers, desktop computers, and pocket computers. Super computers are the largest and are used for complex scientific applications.
3. The document provides examples and characteristics of different types of computers like their memory capacity, typical costs, and limitations. It compares their speeds, uses, and advantages over each other.
The document defines a computer as an electronic device that processes data into useful information. It notes that Charles Babbage is considered the father of computers for his work on the analytical engine in 1834. The document then discusses the main types of computers as analog, hybrid, and digital. It also categorizes computers by size as microcomputers, minicomputers, mainframe computers, and supercomputers and by function as servers, workstations, information appliances, and embedded computers. In closing, it thanks the audience.
This document provides an introduction to computers, including how they work and their key characteristics. It defines a computer as an electronic device that accepts input, processes data, stores data, and produces output. It then describes the main components of a computer and how data is processed. The document outlines the main characteristics of computers as being fast, accurate, having large memory and storage, being diligent and versatile. It also categorizes the different types of computers as analog, digital, and hybrid and provides examples of each type. Finally, it classifies computers as microcomputers, minicomputers, mainframes, and supercomputers and describes the defining features of each.
Computers can be classified in several ways, including by purpose, type of data handled, and size. The main classifications by size are:
- Micro-computers, which include personal computers and workstations used by individuals.
- Mini-computers, which are more powerful than micro-computers and used for general purposes.
- Mainframe computers, which offer high processing and storage for multiple users simultaneously in large organizations.
- Supercomputers, which are designed for scientific jobs and contain many parallel CPUs, making them very fast but also very expensive.
The document provides an introduction to computers including definitions, operations, characteristics, hardware, software, and the difference between hardware and software. It defines a computer as an electronic device that accepts input, stores and manipulates data according to instructions, and can store, retrieve, and process information. Computers perform four main operations - input, processing, storage, and output. Characteristics include speed, accuracy, storage capacity, versatility, reliability, communication abilities, multi-tasking capability, automation, and ability to reduce costs. Computer hardware refers to physical components while software refers to programs and procedures that perform tasks.
The document summarizes the evolution of computers from the 17th century to modern times. It describes early mechanical calculating devices like the abacus and Babbage's difference engine. The first all-electronic general-purpose computer, ENIAC, used vacuum tubes and was an improvement over previous technology. The development of transistors, integrated circuits, and microprocessors allowed computers to become smaller, faster, and more energy efficient over time. Modern computers include desktops, laptops, PDAs, and supercomputers, with core internal components being the CPU, motherboard, hard disk, monitor, keyboard, and mouse.
This Slides covers:
Introduction to world of Computers, Basic Structure of Computer System, Computers in Home (Reference, Education & Communications, Entertainment an Digital Media Delivery, Smart Appliances, Home Computers), Computers in Education, Computers in workplace (productivity and decision making, customer services, communications), Computers on the move (Portable and Hand held computers, Self-Service kiosks, GPS Applications), Generation of Computer, Types of Computer (Size and Technology wise), Support Systems - Hardware and Software, Computer Peripherals, Memory Management.
This powerpoint presentation helps you to understand the characterstics of computer in brief....nd in very easy language...!! enjoy nd send me ur views....
The document discusses several key components of a computer system. It describes the central processing unit (CPU) as the brain of the computer and explains that CPU speed is measured in GHz, with higher speeds allowing more data to be processed. It also discusses different types of memory like ROM, EEPROM, flash memory, and RAM (including SDRAM and DDR). The document outlines internal storage devices like hard disk drives, describing technologies like SATA, PATA, and SSD. It also covers adapter cards, motherboards, and other essential computer parts.
The document discusses several positive and negative impacts of computers on society. Positively, computers have made daily tasks easier and quicker, are used to maintain records in institutions and banks, and facilitate online banking and trading. However, computers have also led to unemployment as jobs are automated, cause people to waste time on non-productive activities, and pose security and privacy risks like data theft and cyber crimes. The document also outlines several uses of computers at home for budgeting, entertainment, chatting, and working remotely, as well as in education, business, offices, and for simulation training.
This document classifies and describes different types of computers. It discusses computers by size (microcomputers, minicomputers, mainframes, supercomputers), by function (servers, workstations, information appliances, embedded computers), and by analog/digital qualities (analog, digital, hybrid). Each type is defined and examples are provided. For instance, it notes that analog computers use continuous voltages to represent values while digital computers use discrete 0s and 1s, and hybrid computers combine both approaches.
There are several types of computers:
- Analog computers represent data continuously as physical quantities like temperature and output is also continuous.
- Digital computers represent data as discrete numbers and output discrete results. They are faster and more accurate than analog computers.
- Microcomputers are the smallest type, ranging from calculators to desktop PCs, using a microprocessor as the CPU. They are used for personal and small office/business applications.
- Minicomputers are more powerful than microcomputers and used for departmental and work group systems.
- Mainframe computers offer high-speed processing and large storage and are used as central databases and host systems.
- Supercomputers are designed for scientific tasks and contain multiple
This document classifies computers into different types based on their functionality and size. It discusses digital computers, analog computers, and hybrid computers. It also describes special purpose computers designed for specific tasks and general purpose computers that can be used for many applications. Finally, it categorizes computers by size into embedded systems, programmable computers, laptops, personal computers, workstations, mainframes, and supercomputers.
The document provides an overview of computers including:
1. Computers accept input, process data, store data, and produce output. They are electronic devices that can perform calculations quickly and accurately.
2. Computers have large memory, can be programmed for different tasks, and never get confused or tired like humans.
3. There are two main types of computers - analog and digital. Digital computers are now more common and represent data using binary numbers.
The document discusses different types of computers:
- Analog computers represent data with continuous physical quantities like voltage. Accuracy depends on precision of measurements.
- Digital computers use discrete values like binary digits to represent data symbols. They are used for business/science data processing and storing large quantities of data magnetically.
- Hybrid computers combine analog and digital, using analog input converted to digital for processing and accuracy.
- Other computer types discussed are mainframes for CPU/I/O intensive jobs, mini computers for real-time multi-user apps, microcomputers for simple tasks, and supercomputers for large data and intensive computing.
Computer is an electronic device that processes data according to programmed instructions. It has hardware components that can be seen like input devices to enter data, output devices to display processed information, processing devices to execute instructions on data, and storage devices to store data. It also uses software programs installed on the hardware to perform specific tasks, including system software to manage the hardware, application software to perform user-oriented tasks, and utility software provided by vendors to perform common functions.
The document discusses the evolution of computers over five generations from the 1940s to present day. Early computers used vacuum tubes which generated a lot of heat and frequently burnt out. The second generation saw the introduction of transistors which were smaller, needed no warmup, and consumed less energy. The third generation used integrated circuits and silicon chips, making computers smaller and cheaper. The fourth generation included the microprocessor and personal computers. Current and future fifth generation computers utilize more advanced technologies like robotics, virtual reality, and language translation programs.
A computer is a calculating device that can input, process, store, and retrieve data at enormous speeds with great accuracy. It has characteristics such as speed, accuracy, diligence, versatility, and a powerful ability to remember large amounts of data. However, computers have no intelligence, feelings, or ability to think or decide on their own - they simply carry out human instructions.
This is a power point presentation on hp workstation.
I hope you will enjoy this and it will help you to clear about you'r thinking on not only workstation but also the other IT product and the competitive market with Dell and Lenovo.
Computers are used in many aspects of modern life such as at home, school, work, research, entertainment, and more. They are used by students for projects, by teachers for lessons, by scientists for research, and in offices, libraries, hospitals, shops, and other businesses to store data, perform tasks, and keep records. Computers come in different forms like desktops, laptops, and tablets.
The document discusses the five generations of computers from the first to fifth generation. [1] The first generation used vacuum tubes and were very large in size. [2] The second generation used transistors and were smaller with magnetic storage. [3] The third generation used integrated circuits and were smaller still with multiple users accessing remote terminals.
ICT 1 Week 2 Discussion - Introduction to Computer System (PowerPoint)Andy Adovas
This document provides an introduction to computer systems and fundamentals of information technology. It discusses the classification of computers based on the type of data processed (analog, digital, hybrid), functions performed (special purpose, general purpose), and processing capabilities (microcomputer, workstation, minicomputer, mainframe, supercomputer). It also defines computer storage capacities in bytes, kilobytes, megabytes etc. and describes measures of computer processing speed in milliseconds, microseconds, MIPS, MHz and GHz. Faster processing is indicated by higher numbers in these measures.
This slide contains an introduction to computers, it's types, it's components, notes on important applications, notes on the types of computers in today's world, notes on Network, Intranet and Internet!
Additionally containts note on MS Office tools, Photoshop, Programming Languages, Browsers, Search Engines, etc.
Hope it finds use to you!
This slide was prepared by Rohit Pant.
Computers can be classified in several ways, including by purpose, type of data handled, and size. The main classifications by size are:
- Micro-computers, which include personal computers and workstations used by individuals.
- Mini-computers, which are more powerful than micro-computers and used for general purposes.
- Mainframe computers, which offer high processing and storage for multiple users simultaneously in large organizations.
- Supercomputers, which are designed for scientific jobs and contain many parallel CPUs, making them very fast but also very expensive.
The document provides an introduction to computers including definitions, operations, characteristics, hardware, software, and the difference between hardware and software. It defines a computer as an electronic device that accepts input, stores and manipulates data according to instructions, and can store, retrieve, and process information. Computers perform four main operations - input, processing, storage, and output. Characteristics include speed, accuracy, storage capacity, versatility, reliability, communication abilities, multi-tasking capability, automation, and ability to reduce costs. Computer hardware refers to physical components while software refers to programs and procedures that perform tasks.
The document summarizes the evolution of computers from the 17th century to modern times. It describes early mechanical calculating devices like the abacus and Babbage's difference engine. The first all-electronic general-purpose computer, ENIAC, used vacuum tubes and was an improvement over previous technology. The development of transistors, integrated circuits, and microprocessors allowed computers to become smaller, faster, and more energy efficient over time. Modern computers include desktops, laptops, PDAs, and supercomputers, with core internal components being the CPU, motherboard, hard disk, monitor, keyboard, and mouse.
This Slides covers:
Introduction to world of Computers, Basic Structure of Computer System, Computers in Home (Reference, Education & Communications, Entertainment an Digital Media Delivery, Smart Appliances, Home Computers), Computers in Education, Computers in workplace (productivity and decision making, customer services, communications), Computers on the move (Portable and Hand held computers, Self-Service kiosks, GPS Applications), Generation of Computer, Types of Computer (Size and Technology wise), Support Systems - Hardware and Software, Computer Peripherals, Memory Management.
This powerpoint presentation helps you to understand the characterstics of computer in brief....nd in very easy language...!! enjoy nd send me ur views....
The document discusses several key components of a computer system. It describes the central processing unit (CPU) as the brain of the computer and explains that CPU speed is measured in GHz, with higher speeds allowing more data to be processed. It also discusses different types of memory like ROM, EEPROM, flash memory, and RAM (including SDRAM and DDR). The document outlines internal storage devices like hard disk drives, describing technologies like SATA, PATA, and SSD. It also covers adapter cards, motherboards, and other essential computer parts.
The document discusses several positive and negative impacts of computers on society. Positively, computers have made daily tasks easier and quicker, are used to maintain records in institutions and banks, and facilitate online banking and trading. However, computers have also led to unemployment as jobs are automated, cause people to waste time on non-productive activities, and pose security and privacy risks like data theft and cyber crimes. The document also outlines several uses of computers at home for budgeting, entertainment, chatting, and working remotely, as well as in education, business, offices, and for simulation training.
This document classifies and describes different types of computers. It discusses computers by size (microcomputers, minicomputers, mainframes, supercomputers), by function (servers, workstations, information appliances, embedded computers), and by analog/digital qualities (analog, digital, hybrid). Each type is defined and examples are provided. For instance, it notes that analog computers use continuous voltages to represent values while digital computers use discrete 0s and 1s, and hybrid computers combine both approaches.
There are several types of computers:
- Analog computers represent data continuously as physical quantities like temperature and output is also continuous.
- Digital computers represent data as discrete numbers and output discrete results. They are faster and more accurate than analog computers.
- Microcomputers are the smallest type, ranging from calculators to desktop PCs, using a microprocessor as the CPU. They are used for personal and small office/business applications.
- Minicomputers are more powerful than microcomputers and used for departmental and work group systems.
- Mainframe computers offer high-speed processing and large storage and are used as central databases and host systems.
- Supercomputers are designed for scientific tasks and contain multiple
This document classifies computers into different types based on their functionality and size. It discusses digital computers, analog computers, and hybrid computers. It also describes special purpose computers designed for specific tasks and general purpose computers that can be used for many applications. Finally, it categorizes computers by size into embedded systems, programmable computers, laptops, personal computers, workstations, mainframes, and supercomputers.
The document provides an overview of computers including:
1. Computers accept input, process data, store data, and produce output. They are electronic devices that can perform calculations quickly and accurately.
2. Computers have large memory, can be programmed for different tasks, and never get confused or tired like humans.
3. There are two main types of computers - analog and digital. Digital computers are now more common and represent data using binary numbers.
The document discusses different types of computers:
- Analog computers represent data with continuous physical quantities like voltage. Accuracy depends on precision of measurements.
- Digital computers use discrete values like binary digits to represent data symbols. They are used for business/science data processing and storing large quantities of data magnetically.
- Hybrid computers combine analog and digital, using analog input converted to digital for processing and accuracy.
- Other computer types discussed are mainframes for CPU/I/O intensive jobs, mini computers for real-time multi-user apps, microcomputers for simple tasks, and supercomputers for large data and intensive computing.
Computer is an electronic device that processes data according to programmed instructions. It has hardware components that can be seen like input devices to enter data, output devices to display processed information, processing devices to execute instructions on data, and storage devices to store data. It also uses software programs installed on the hardware to perform specific tasks, including system software to manage the hardware, application software to perform user-oriented tasks, and utility software provided by vendors to perform common functions.
The document discusses the evolution of computers over five generations from the 1940s to present day. Early computers used vacuum tubes which generated a lot of heat and frequently burnt out. The second generation saw the introduction of transistors which were smaller, needed no warmup, and consumed less energy. The third generation used integrated circuits and silicon chips, making computers smaller and cheaper. The fourth generation included the microprocessor and personal computers. Current and future fifth generation computers utilize more advanced technologies like robotics, virtual reality, and language translation programs.
A computer is a calculating device that can input, process, store, and retrieve data at enormous speeds with great accuracy. It has characteristics such as speed, accuracy, diligence, versatility, and a powerful ability to remember large amounts of data. However, computers have no intelligence, feelings, or ability to think or decide on their own - they simply carry out human instructions.
This is a power point presentation on hp workstation.
I hope you will enjoy this and it will help you to clear about you'r thinking on not only workstation but also the other IT product and the competitive market with Dell and Lenovo.
Computers are used in many aspects of modern life such as at home, school, work, research, entertainment, and more. They are used by students for projects, by teachers for lessons, by scientists for research, and in offices, libraries, hospitals, shops, and other businesses to store data, perform tasks, and keep records. Computers come in different forms like desktops, laptops, and tablets.
The document discusses the five generations of computers from the first to fifth generation. [1] The first generation used vacuum tubes and were very large in size. [2] The second generation used transistors and were smaller with magnetic storage. [3] The third generation used integrated circuits and were smaller still with multiple users accessing remote terminals.
ICT 1 Week 2 Discussion - Introduction to Computer System (PowerPoint)Andy Adovas
This document provides an introduction to computer systems and fundamentals of information technology. It discusses the classification of computers based on the type of data processed (analog, digital, hybrid), functions performed (special purpose, general purpose), and processing capabilities (microcomputer, workstation, minicomputer, mainframe, supercomputer). It also defines computer storage capacities in bytes, kilobytes, megabytes etc. and describes measures of computer processing speed in milliseconds, microseconds, MIPS, MHz and GHz. Faster processing is indicated by higher numbers in these measures.
This slide contains an introduction to computers, it's types, it's components, notes on important applications, notes on the types of computers in today's world, notes on Network, Intranet and Internet!
Additionally containts note on MS Office tools, Photoshop, Programming Languages, Browsers, Search Engines, etc.
Hope it finds use to you!
This slide was prepared by Rohit Pant.
The document provides an overview of computers including:
1. Computers accept input, process data, store data, and produce output. They are electronic devices that can perform calculations quickly and accurately.
2. Computers have large memory, can be programmed for different tasks, and never get confused or tired like humans.
3. There are two main types of computers - analog and digital. Digital computers are now more common and represent data using binary numbers.
This document provides information about computers. It defines a computer as an electronic device that processes data using input, storage, processing, and output units. It then discusses different types of computers including analog, digital, supercomputers, mainframes, minicomputers, and microcomputers. Hybrid computers that have both analog and digital components are also mentioned. Input devices, storage, processors, and output are described. Characteristics like speed, accuracy, storage capacity, versatility and automation are listed for computers.
This document provides an introduction to computers, including definitions and characteristics. It defines a computer as a device that performs calculations at enormous speed and operates on data. The main characteristics of a computer are described as speed, accuracy, large memory, programmed intelligence, diligence, versatility, and powerful remembrance. The document also discusses different types of computers such as analog, digital, and hybrid computers. Computers are classified by size and power as personal computers, workstations, mini computers, mainframe computers, and super computers. The advantages of computers include speed, powerful search engines, calculating power, storage, and communication capabilities. The disadvantages are potential health risks, privacy violations, public safety issues, inability to think for itself, and
The document provides an introduction to computers including:
1. Defining a computer as an electronic device that takes input, processes it, and provides output.
2. Classifying computers into three types: analog, digital, and hybrid. Digital computers represent data using digits and are most common.
3. Describing characteristics of computers like speed, accuracy, storage capability, versatility, and automation.
4. Identifying the main parts of a computer as hardware like the CPU and monitors, and software like operating systems and applications.
Charles Babbage is considered the father of computers. He designed the Difference Engine and Analytical Engine in the 1820s and 1830s, respectively, which provided a basis for modern computers. A computer processes data into information using hardware and software. Hardware is the physical components, while software contains instructions. Computers have evolved through five generations from vacuum tubes to transistors to integrated circuits to microprocessors and now artificial intelligence. Computers are versatile machines that can rapidly perform calculations with high accuracy and store large amounts of data.
A computer is an electronic device that processes data according to instructions stored in its memory. It accepts raw data as input, processes the data, stores the results if needed, and provides output. Computers can solve problems quickly and accurately, store and retrieve large amounts of data, and display information through documents and images. The basic components of a computer system are hardware and software. Hardware refers to the physical parts like the processor and memory, while software provides instructions for the hardware to function. Together, hardware and software allow computers to perform a wide range of tasks.
This file contains complete information about computer Architecture.
1. What is a computer.
2. Types of computers
3. Block Diagram of Computer.
4 . Processor, Memory
5. Computer Generati
Microcomputers (personal computers)
Microcomputers became the most common type of computer in the late 20th century. The term “microcomputer” was introduced with the advent of systems based on single-chip microprocessors. The best-known early system was the Altair 8800, introduced in 1975. The term "microcomputer" has practically become an anachronism.
computer catagory and its organizationSheikh Salam
The document provides information on computer organization and architecture. It discusses the basic characteristics of computers such as speed, accuracy, reliability, versatility, and others. It also covers the classification of computers according to functionality, purpose, and size. The key structural components of a computer are described as the central processing unit (CPU), main memory, input/output (I/O), and interconnect system. The CPU contains a control unit, arithmetic logic unit (ALU), and registers. Computer organization refers to how the operational units are interconnected, while computer architecture describes the attributes visible to programmers.
Classification of computers (- Minicomputers) (Microcomputers)Maryam Fida
Classification of computers]
Computers that process analog data are called analog computers. (Analog data is continuous)
The input data is not a number infect a physical quantity like temperature, pressure, speed, velocity.
Computers that accept analog input and provide analog output.
Deal with variables.
It is used for measuring physical quantities.
Special purpose computers.
Computers that accepts digital input and provide
digital output.
The input data is represented by a number (Binary Number System).
These are used for the logical and arithmetic operations.
Measure digital quantities.
Microcomputers are more commonly known as personal computers. The term "PC" is applied to IBM-PCs or compatible computers.
Full-size desktop computers are the most common type of PC.
Notebook (laptop) computers are used by people who need the power of a desktop system, but also portability.
Handheld PCs (such as PDAs, IPADs) lack the power of a desktop or notebook PC, but offer features for users who need limited functions and small size.
Microcomputers are more commonly known as personal computers. The term "PC" is applied to IBM-PCs or compatible computers.
Full-size desktop computers are the most common type of PC.
Notebook (laptop) computers are used by people who need the power of a desktop system, but also portability.
Handheld PCs (such as PDAs, IPADs) lack the power of a desktop or notebook PC, but offer features for users who need limited functions and small size.
Microcomputers are more commonly known as personal computers. The term "PC" is applied to IBM-PCs or compatible computers.
Full-size desktop computers are the most common type of PC.
Notebook (laptop) computers are used by people who need the power of a desktop system, but also portability.
Handheld PCs (such as PDAs, IPADs) lack the power of a desktop or notebook PC, but offer features for users who need limited functions and small size.
Microcomputers are more commonly known as personal computers. The term "PC" is applied to IBM-PCs or compatible computers.
Full-size desktop computers are the most common type of PC.
Notebook (laptop) computers are used by people who need the power of a desktop system, but also portability.
Handheld PCs (such as PDAs, IPADs) lack the power of a desktop or notebook PC, but offer features for users who need limited functions and small size.
Minicomputers are smaller than mainframes but larger than personal computers.
Also called midrange computers.
Powerful Minicomputers usually entertain input output need of hundred of user at a time.
Example HP 3000
Minicomputers may be used as network servers and Internet servers.
Computers can perform a variety of tasks and are present in many fields. A computer is a programmable electronic device that takes in data as input, processes it, and provides output. It has various hardware components like a central processing unit (CPU) and memory. The CPU contains an arithmetic logic unit and control unit and works with various input/output devices. Computers are fast, accurate, reliable, versatile and can store vast amounts of data. They are classified by size into supercomputers, mainframes, microcomputers, minicomputers, and workstations.
The document provides an overview of computer fundamentals including:
- A computer is an electronic device that accepts data as input, processes it, and provides output. It functions similarly to the human brain in how it stores, processes, and delivers information.
- The main components of a computer system are hardware, software, data, and users. Hardware includes the central processing unit (CPU) which contains the arithmetic logic unit (ALU) for processing and control unit for coordination. Memory and input/output devices are also included.
- Computers have advantages like speed, accuracy, storage capabilities, and versatility in performing different tasks. They also have limitations in only being able to perform programmed instructions.
The document provides an overview of computer fundamentals including:
- What a computer is and how it functions similarly to the human brain by taking in data, processing it, and producing outputs.
- The main components of a computer system including hardware, software, data, and users.
- Key characteristics of computers like speed, accuracy, storage capabilities, and programmability.
- The basic architecture of a computer including input and output devices, the central processing unit (CPU), and memory.
- Details on how the CPU works with components like the arithmetic logic unit (ALU) and control unit.
This document provides an introduction to computers. It defines a computer as an electronic device that takes input, processes it, and provides output. It describes the main types of computers as analog, digital, and hybrid. It also classifies computers by size as supercomputers, mainframes, minicomputers, and microcomputers. The document outlines the key characteristics, parts, and common uses of computers. The parts discussed are hardware, software, and different input, output, and storage devices. Uses mentioned include applications at home, education, hospitals, government, and business.
This document provides an introduction to computers, including:
- The definition of a computer as an electronic device that accepts data as input, processes it, and provides output.
- The basic functions/operations of a computer: input, processing, output, storage, and control.
- Characteristics of computers like speed, accuracy, diligence, versatility, and storage capacity.
- The evolution of early calculating devices like the abacus to modern computers.
- Generations of computers from the first vacuum tube-based generation to the current microprocessor-based generation.
- Classifications of computers by size and capabilities.
- The basic organization of a computer including its central processing unit
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2. Introduction
¤ Its an electronic device which accepts
input, processes data, stores data,
and produces output
¤ Input refer to whatever is sent to a
Computer system
¤ Data refer to the symbols that
represent facts, objects, and ideas
¤ A computer processes data in a device
called the central processing unit
(CPU)
4. Definition
• Computer can be defined as “An electronic
and electromechanical device”
• It intakes raw data, manipulates it and
gives accurate output in the form of
information.
5. Characteristics of Computer
Main characteristics of the computer can be
summarized as:
1. Speed: Computer is very fast and accurate
device. It can process millions and millions of
instructions within seconds.
2. Accuracy: Computer results are highly accurate.
3. Memory: Computers have a large amount of
memory to hold a very large amount of data or
information.
6. 4. Diligence: Computer is free from
problems like lack of concentration,
and confusions & tiredness.
5. Versatility: We can perform
different types of tasks on computer.
It is therefore versatile in nature.
6. Power of Remembrance: Unlike
humans, computer can store things
for unlimited period of time.
7. Types of Computer
There are two basic kinds of computers:
• Analog Computer
• Digital Computer
• Hybrid computer
8. Analog computers
Analog computers are analog devices.
That is, they have continuous states
rather than discrete numbered
states.
An analog computer can represent
fractional values exactly, with no
round off.
They handle or process information,
which is of physical nature.
Examples: Computers in Chemical
plants monitoring temperatures,
pressures, voltage, etc.
Now these days, we rarely came across of analog
computers in routine life.
9. Digital Computer
A digital computer uses discrete
states.
A binary digital computer uses
digits and process data, which is
essentially in a binary state.
Example: Personal Computers,
scientific calculators, etc.
10. Hybrid Computer
It refers to computer that contain
both digital and analog circuit.
For Example: A digital
thermometer converts the
temperature (analog signals) and
gives the output of measurement in
digits (digital signal)
12. Micro Computer
Micro computer is general purpose
computer, it is also called Personal
Computer (PC).
It uses microprocessor, CPU for
manipulating data.
It is smaller than Mini Computer,
Mainframe Computer and Super
computer.
It has storage capacity up to Terabytes
(TB)
It is used in general purpose.
Example: IBM PC, Apple Macintosh,
Sony VAIO, etc.
13. Mini Computer
• Mini computer is smaller than
Mainframe and Large than micro
computers.
• It is cheap than mainframe
computers.
• It has storage capacity less than
micro computers.
• Examples: Data General, Wang
Laboratories, Apollo Computer,
and Prime Computer.
14. Mainframe Computers
Mainframe Computers are very
powerful large-scale general-
purpose computers.
It’s memory capacity is in
megabytes (MB) and storage
capacity is in terabytes (TB).
They are used where large amount
of data are to be processed.
Examples are: IBM 4300 series, IBM
Enterprise, System/9000 series
15. Super computer
A supercomputer is a computer
which has high processing
capacity – particularly speed of
calculation.
It has high storage capacity in
Petabyte (PB).
It has number of CPUs to make
more speed.
Example: IBM roadrunner, Cray
Jaguar, Cray Titan, IBM Sequoia,
etc.
16. Advantages & Disadvantages of Computer
Advantages
• It makes our work easier,
faster and accurate.
• It saves our cost and time
while collecting,
manipulating and storing
large amount of data
• It helps in worldwide
communication.
Disadvantages
• It is harmful to health, it
affects eyesight and
backbones if we work too
long.
• It creates unemployment.
• It makes people dumb and
dull.