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IWCSThis document provides an introduction to the basic components and functions of computers. It discusses what a computer is, its key components like the processor, memory, storage, and input/output devices. It also explains the basic information processing cycle of input, processing, output, and storage. Finally, it discusses some common computer devices and how computers have become integrated into many aspects of modern life.
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Computer fundamental on Discovering Computer
Early computers used batch processing and operating systems that were inefficient. Timesharing systems in the 1960s allowed users to access computers through terminals, making programs appear to run simultaneously. Personal computing became popular in the 1970s with the Apple and IBM PC using off-the-shelf components. Today's top PCs are as powerful as million dollar machines from ten years ago. Networks connect computers and devices to share resources and access the worldwide Internet to communicate, obtain information, shop, and entertain.
Mis 1
The document provides an introduction to computers, describing what a computer is, what it can do, and its basic components. It explains that a computer accepts data as input, processes it, and produces information as output. It then describes the typical devices that make up a computer system, including input devices like keyboards and mice, output devices like monitors and printers, and storage devices like hard disks and CD drives. It provides details on the central processing unit and memory. It also discusses operating systems, applications software, and the role of information systems.
Introduction to-microcomputers
Computers are electronic devices that can store, process, and output data. They have four basic components: input, processing, storage, and output. Data is raw unprocessed information that is entered into a computer. Information is the output produced after data is processed. The main components of a computer are the central processing unit (CPU), memory (RAM), and secondary storage devices like hard disks. Computers run operating systems and application software to perform tasks. The internet allows computers to connect globally to share information and resources.
lesson_1_Introduction_to_computers_pptx.pptx
This chapter will refresh your knowledge on the basics of how computers work, the different types of computers there are and their typical features. You will then learn about how computers are categorised and how ICT has made the workplace faster and more efficient.
Computer
A computer is an electronic device that processes data according to instructions stored in its memory. It accepts raw data as input, processes it, and produces information as output which can be stored for later use. The main components of a computer are the input devices, output devices, system unit containing the CPU and memory, and storage devices which hold data and instructions. Computers have different categories including personal computers, mobile devices, servers, and mainframes. An information system includes the people, procedures, data, software, and hardware used to process information. Computers are used in many fields like education, finance, healthcare, science, and more.
Fundamentals of computer system and Programming EC-105
This document provides an overview of the EC-102 Computer System and Programming course. It includes information about the course title, code, semester, required textbooks and references. The document also outlines the course contents which cover topics like computer organization, programming, data types, operators, selection statements, repetition structures, functions, arrays, pointers and more. Finally, it lists the course learning outcomes and some policies like no assignment deadline extensions and penalties for plagiarism.
Lesson 1 presentation
This document provides an overview of a 6-hour lesson on fundamentals of information technology. The lesson covers introduction to computers and IT, computer designs, the system unit, storage, peripheral devices, emerging technologies, and implications of IT. Key topics include definitions of hardware and software, computer components, data storage methods, input/output devices, and social impacts of information technology. The goal is to introduce students to basic concepts of computers and information systems.
002_Fundamentals of Computer.pdf
This document discusses fundamentals of computer information systems. It defines key terms like data, information, and data processing. It describes the basic components and functions of an information processing system including input, processing, storage, and output of data. The three major components of a computer system are hardware, software, and peopleware. It also discusses the basic units of computer hardware like the CPU, memory, input/output devices, and storage devices. It provides an overview of operating systems, applications software, files, and directories.
Introduction to Computer
A computer is an electronic device that stores, retrieves, and processes data. It consists of both hardware and software. The hardware includes components like the central processing unit, random access memory, hard disk drive, power supply, and input/output devices. The software includes operating systems like Windows and Linux, as well as application programs. Computers are used for a variety of purposes like word processing, accounting, banking, education, entertainment, engineering design, and medical diagnosis.
Introduction of computer Book
Introduction of computer Book
Contents:
What is computer?
Purpose
Parts of computer system
1 hardware 2 software 3 data 4 user
Input
Processing
output
Storage
Essential computer hardware.
Computer use two components
The processor and memory
Micro processor
Memory devices
Storage devices
RAM and ROM
Input or output devices
Software
There are two type of software
1. System software
2. Application software
Operating system
Network operating system
Categories of computer
1. Computer for individual user
2. Computer for organization
Desktop computer
Note book computer
Tablet Pcs
Handled Pcs
Smart phone
Computer or organization
Generation of computer or evolution of computer
Black diagram of computer
Controlling keys
ALU
CPU
MU
Registers
Memory and computing power
Buses
K K
A computer is an electronic device that can accept data as input, process the data, and produce information as output. It consists of various components including input devices like keyboards and mice, a central processing unit, memory, output devices like monitors and printers, and storage devices like hard disks and CD-ROMs. Computers are powerful because they can perform calculations at high speeds, store large amounts of data reliably and accurately, and communicate with other computers. Computer software, including operating systems and application programs, controls the functions of the computer system.
Introduction to Computer
The document provides an introduction to computers including definitions of key terms like input, output, storage, and processing. It describes the basic components of a computer system including input devices like keyboards and mice, output devices like monitors and printers, storage devices like hard disks and floppy disks, and how software directs the central processing unit. Application software is categorized into word processing, spreadsheets, databases, and presentation graphics.
Basic computer
The document provides an overview of computer basics including hardware and software components. It describes the central processing unit (CPU) as the "brain" of the computer, which contains an arithmetic/logic unit that performs computations and a control unit that coordinates activities. It also discusses memory types like random access memory (RAM) and read-only memory (ROM). The document outlines other hardware components like controllers and ports, and describes software including operating systems, applications, and proper care of computer equipment and storage media.
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Com Lecture Presentation 1
- 1. Essential Introduction to Computers Mr.Downing Computer Information Systems
- 2. What Is a Computer? A computer is an electronic device, operating under the control of instructions stored in its own memory, that can accept data (input), process the data according to specified rules (process), produce results (output), and store the results (storage) for future use
- 3. What makes a computer so powerful? SPEED A computer can do billions of actions per second RELIABILITY Failures are usually due to human error, one way or another STORAGE A computer can keep huge amounts of data and is easily organized
- 4. What Are the Components of a Computer? Input Memory Storage Processor Output Memory Storage Output Input Processor I need 3 volunteers!
- 5. Information Processing Cycle (4 basic functions of a computer) Input Processing Output Storage Example: Report Card
- 6. Input Devices Any hardware component that allows you to enter data, programs, commands, and user responses into a computer Examples??
- 7. Processor Also called CPU (Central Processing Unit) Interprets and carries out the basic instructions that operate a computer 2 parts Control unit interprets instructions Arithmetic/logic unit performs arithmetic and logical processes
- 8. Output Devices Output devices make the information resulting from processing available for use Output Device Examples??
- 9. Storage Devices Used to store instructions, data, and information when they are not being used in memory Floppy disk Hard disk CD/DVD (ROM, R, RW) Tape Flash drive
- 10. Memory Also called RAM (Random Access Memory) Temporarily stores instructions waiting to be executed by the processor, data needed by those instructions, and the results of processed data Kilobyte, megabyte, gigabyte Byte = 1 memory location ex. the letter A
- 11. System Unit
- 12. Computer Mobile Devices PDA (personal digital assistant) Notebook computer Smartphone Pocket PC
- 13. It’s Your Turn! Find a partner. Computers are everywhere. Watching TV, driving a car, using a charge card, ordering fast food, and typing a term paper all involve interactions with computers. Make a list of every computer you and your partner can recall that you encountered over the past week. Create a timeline of at least 10 milestones/major advances in computer technology. Who were some of the major contributors to computer technology (individuals, organizations, corporations)? List at least 4 and describe what they did. How have businesses and our personal lives been affected by computer technology?