Introduction to basic concepts of computing.
What is a computer?
An expanded model of a computer.
The role of software.
Types of computers.
ICT systems.
Glossary.
Information systems are combinations of hardware, software, and telecommunications networks that people build and use to collect, create, and distribute useful data, typically in organizational settings.
Many businesses use information technology to complete and manage their operations, interact with their consumers, and stay ahead of their competition. Some companies today are completely built on information technology, like eBay, Amazon and Google.
This document discusses managing information using technology. It defines key terms like data, information, management information systems, databases, and different types of information systems like decision support systems and expert systems. It describes the hardware, software, and network technologies used to manage information. It also covers protecting information systems from computer crimes and disasters.
The document defines a computer and its basic functions of receiving, processing, storing data, and producing a result. It describes how computers are classified by size and use, from supercomputers to microcomputers. A computer system includes hardware, software, data, and users. Data communication allows computers to share information through networks, and networks can be local or wide-ranging. The internet was originally developed for researchers and is now a major communication system worldwide.
Connecting Hardware Peripherals Level 1 Ver 2 - Copy.pdfEYOHAICTMEDIA
The document provides an overview of computer hardware, software, classifications, and connectivity devices. It defines a computer and describes its key features. It then discusses computer hardware and software, categorizing hardware as internal or external and describing common software types. The document classifies computers based on size and capacity, purpose, and hardware design. It also defines and provides examples of common peripheral devices for input, output, storage, and connectivity. In closing, it outlines various port types for connecting peripheral devices to computers.
Introduction to IT, Introduction to IS, Difference be IS and IT, Need for Information System, Information Systems in the Enterprise, Impact of Information Technology on Business (Business Data Processing, Intra and Inter Organizational communication using network technology, Business process and Knowledge process outsourcing), Managers and Activities in IS, Importance of Information systems in decision making and strategy building, Information systems and subsystems.
A computer is an electronic device that processes data according to stored instructions. It has hardware components like an input device, output device, system unit, storage device, and communications device. There are advantages like speed and reliability, but also disadvantages such as health risks and environmental impact. Computers connect to networks and the internet for communication, research, and entertainment. Different types of computers include personal computers, mobile devices, servers, mainframes, and embedded computers used in various applications to benefit society.
The document discusses the components and uses of computers. It begins by outlining the learning objectives which are to name basic computer components and examples of computer applications. It then discusses the components of a computer including input, output, storage and processing devices. It describes how computers are powerful due to their speed, accuracy, reliability and ability to store and communicate large amounts of information. It also discusses computer categories including personal computers, servers, and how computers are used in various settings like homes, small businesses, large businesses and by power users.
The document discusses the fundamentals of computers including defining a computer, its components, types of software, categories of computers, and computer usage. It defines a computer as an electronic device that accepts data as input, processes it, and produces output. The main components are the central processing unit, memory, storage devices, input/output devices, and motherboard. It describes system software, application software, and programmers. Categories include personal computers, servers, and mobile devices. Computer usage examples provided business, home, mobile, and power users.
Information systems are combinations of hardware, software, and telecommunications networks that people build and use to collect, create, and distribute useful data, typically in organizational settings.
Many businesses use information technology to complete and manage their operations, interact with their consumers, and stay ahead of their competition. Some companies today are completely built on information technology, like eBay, Amazon and Google.
This document discusses managing information using technology. It defines key terms like data, information, management information systems, databases, and different types of information systems like decision support systems and expert systems. It describes the hardware, software, and network technologies used to manage information. It also covers protecting information systems from computer crimes and disasters.
The document defines a computer and its basic functions of receiving, processing, storing data, and producing a result. It describes how computers are classified by size and use, from supercomputers to microcomputers. A computer system includes hardware, software, data, and users. Data communication allows computers to share information through networks, and networks can be local or wide-ranging. The internet was originally developed for researchers and is now a major communication system worldwide.
Connecting Hardware Peripherals Level 1 Ver 2 - Copy.pdfEYOHAICTMEDIA
The document provides an overview of computer hardware, software, classifications, and connectivity devices. It defines a computer and describes its key features. It then discusses computer hardware and software, categorizing hardware as internal or external and describing common software types. The document classifies computers based on size and capacity, purpose, and hardware design. It also defines and provides examples of common peripheral devices for input, output, storage, and connectivity. In closing, it outlines various port types for connecting peripheral devices to computers.
Introduction to IT, Introduction to IS, Difference be IS and IT, Need for Information System, Information Systems in the Enterprise, Impact of Information Technology on Business (Business Data Processing, Intra and Inter Organizational communication using network technology, Business process and Knowledge process outsourcing), Managers and Activities in IS, Importance of Information systems in decision making and strategy building, Information systems and subsystems.
A computer is an electronic device that processes data according to stored instructions. It has hardware components like an input device, output device, system unit, storage device, and communications device. There are advantages like speed and reliability, but also disadvantages such as health risks and environmental impact. Computers connect to networks and the internet for communication, research, and entertainment. Different types of computers include personal computers, mobile devices, servers, mainframes, and embedded computers used in various applications to benefit society.
The document discusses the components and uses of computers. It begins by outlining the learning objectives which are to name basic computer components and examples of computer applications. It then discusses the components of a computer including input, output, storage and processing devices. It describes how computers are powerful due to their speed, accuracy, reliability and ability to store and communicate large amounts of information. It also discusses computer categories including personal computers, servers, and how computers are used in various settings like homes, small businesses, large businesses and by power users.
The document discusses the fundamentals of computers including defining a computer, its components, types of software, categories of computers, and computer usage. It defines a computer as an electronic device that accepts data as input, processes it, and produces output. The main components are the central processing unit, memory, storage devices, input/output devices, and motherboard. It describes system software, application software, and programmers. Categories include personal computers, servers, and mobile devices. Computer usage examples provided business, home, mobile, and power users.
This document introduces computers and their uses. It defines a computer, discusses how they are classified by size and function, and lists their common components. Computers are now ubiquitous tools that are integrated into larger networks and used daily for tasks like education, business, and communication via the internet. They have become versatile machines that are more powerful and useful than early supercomputers and mainframes.
This document introduces computers and their uses. It defines a computer, describes how they are used in daily life, and classifies different types from supercomputers to microcomputers. The document also outlines computer systems and their basic hardware components, how data is communicated through networks, and how computers have become integrated into most aspects of modern society.
This document provides an overview of basic computer concepts including defining computers and their components, networks and the internet, types of computer software, different categories of computers and users, and applications of computers in society. It explains that a computer processes data into information, identifies the five main components, and discusses advantages and disadvantages of computer use. Networks and the internet are defined and their benefits explained. Various types of computer users and how they interact with computers are also outlined.
1) Computers are electronic devices that operate under stored instructions to process data according to those instructions.
2) A computer consists of both hardware and software components. The hardware includes input, output, and storage devices, as well as the system unit containing electronic components like the CPU and memory. Software provides instructions to tell the computer how to perform tasks.
3) Computers are used in many aspects of modern society, both personally and professionally. They allow people to perform tasks more efficiently and share information globally through networks and the internet.
1) Computers are electronic devices that operate under stored instructions to process data according to those instructions.
2) A computer consists of both hardware and software components. The hardware includes input, output, and storage devices, as well as the system unit containing electronic components like the CPU and memory. Software provides instructions for the computer's operation.
3) Computers are used in many aspects of modern society from education and business to entertainment and communication. They allow people to perform tasks more efficiently and share information globally through networks and the internet.
What is computer Introduction to Computing Ahmad Idrees
Computers make it easier to do a lot of things, but most of the things they make it easier to do don't need to be done.
Computers are useless. They can only give you answers.
This document outlines different data storage devices, how they work, and their advantages. It discusses magnetic storage devices like hard drives, optical storage devices like CDs and DVDs, flash memory devices like USB drives, online cloud storage, and older paper storage methods. Hard drives are described as using spinning disks and magnetic coating to store data, with interfaces like SATA, IDE, and SCSI. RAID configurations like RAID 0 and 1 are outlined which stripe or mirror data across multiple disks. External hard drives and solid state drives are also summarized.
The document provides an overview of information technology concepts including the historical development of IT, types and generations of computers, and applications of IT. It discusses the progression from the pre-mechanical age through various generations of computers based on technologies like vacuum tubes, transistors, integrated circuits, and microprocessors. The key types of computers covered are supercomputers, mainframes, minicomputers, and microcomputers. Various applications of these computers in fields like research, weather forecasting, banking, education, and personal use are also summarized.
A computer is an electronic device that processes data through an input device, storage, and output device. It contains hardware components like a system unit, storage, input, and output devices. Computers provide advantages like speed, reliability, and consistency but also health risks and impact privacy and the environment. Networks connect computers through communication devices and the Internet is a worldwide collection of networks used for communication, research, shopping, banking, entertainment and more. Computer software includes operating systems, applications, and programs that tell the computer how to process data. There are different types of computers including personal computers, mobile devices, servers, mainframes, supercomputers, and embedded computers.
IT infrastructure consists of the physical devices and software applications that operate an entire enterprise. It includes computing platforms, telecommunications services, data management services, application software services, and IT management services. The infrastructure provides a shared platform for the firm's information systems applications. It includes hardware, software, and shared services across the organization. Major components are computer platforms, operating systems, enterprise software, networking/telecommunications, databases, internet platforms, and consulting services.
Information technology (IT) involves using computers, storage, networking and other devices to create, process, store, secure and exchange electronic data, especially for business purposes. IT is important because it allows businesses to collect, analyze and use data in key areas like product development, marketing, sales and compliance. Examples of IT roles include server upgrades, security monitoring, developing new software applications, improving systems availability, and providing user support. Software includes operating systems, applications and mobile apps, while hardware encompasses servers, storage, networking equipment and telecom infrastructure. Modern IT architectures increasingly use virtualization and cloud computing to abstract and pool physical resources flexibly on demand. In-demand IT skills include cybersecurity, cloud computing, automation, software
This document provides an overview of computers and their uses. It defines what a computer is, describes its main components, and discusses different types of computers like personal computers, mobile devices, servers, and supercomputers. It also outlines how computers are used in various sectors of society like education, healthcare, manufacturing, and more. Networks and the internet are explained, and advantages and disadvantages of computer usage are presented.
This document provides an overview of computers and the internet in 3 main sections:
1) It defines what a computer is and describes the basic components of a computer system including the central processing unit, memory, storage, input/output devices, and how they work together.
2) It explains what networks and the internet are, how they connect computers, and key technologies that enable communication like servers, IP addresses, and wireless networks. Important internet applications like email, instant messaging, and e-commerce are also outlined.
3) It describes the development and functionality of the World Wide Web including browsers, web servers, web pages, URLs, search engines, multimedia, and different types of websites. The impact and opportunities of
This document provides an overview of basic computer concepts and components, including the five main components of a computer. It discusses networks and the internet, different categories of computers and users. It also summarizes how computers are used in various sectors of society like education, finance, government, healthcare, science, publishing, travel and manufacturing.
E-manufacturing involves fully integrating business processes and systems through technologies like e-procurement, supply chain management, customer relationship management, and enterprise resource planning. It connects the entire enterprise from the plant floor to customers using electronic and web-based technologies. This allows for faster and more flexible manufacturing that can quickly adapt to changing business needs and better collaborate with suppliers and customers.
The document outlines the objectives and key concepts covered in a chapter about computers and technology. It will explain why computer literacy is important, define common terms like computer and network, describe the components of a computer, discuss different types of computers and software, and how computers are used in various contexts like at home, work, school, and more. The chapter explores the basics of what computers are, how they work, and their role in modern society.
This document provides an overview of information technology and discusses different categories of computers. It defines information technology as using computer hardware and software to store, retrieve, and manipulate information. Several advantages of IT are described, such as speed, reliability, storage capacity, and ability to communicate wirelessly. Potential disadvantages include privacy violations, public safety issues, job losses, and health and environmental risks. Various applications of IT in fields like education, finance, government, and healthcare are outlined. The categories of computers are then defined, including supercomputers, mainframes, personal computers, mobile computers, and embedded computers. Their distinguishing characteristics like physical size, processing speed, and storage capacity are compared.
A computer is an electronic device that receives data, processes it, stores the results, and produces an output. Early computers were large machines but computers now come in various sizes from supercomputers to microcomputers like desktop, laptop, and tablet computers. Computers are integrated into networks to allow sharing of data and resources within an organization using intranets or between organizations using the internet or extranets.
This document provides information about different types of computers and IT topics. It discusses personal computers, laptops, mainframe computers and PDAs. It also covers computer hardware components like the CPU, RAM, and ROM. Software topics like operating systems, applications and the system development cycle are explained. The document also discusses computer networks, the internet, e-commerce, and how computers are used in business, government, hospitals and education. Health and safety precautions for computer use are also outlined.
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...PECB
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
-------------------------------------------------------------------------------
Find out more about ISO training and certification services
Training: ISO/IEC 27001 Information Security Management System - EN | PECB
ISO/IEC 42001 Artificial Intelligence Management System - EN | PECB
General Data Protection Regulation (GDPR) - Training Courses - EN | PECB
Webinars: https://pecb.com/webinars
Article: https://pecb.com/article
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Website: https://pecb.com/
LinkedIn: https://www.linkedin.com/company/pecb/
Facebook: https://www.facebook.com/PECBInternational/
Slideshare: http://www.slideshare.net/PECBCERTIFICATION
This document introduces computers and their uses. It defines a computer, discusses how they are classified by size and function, and lists their common components. Computers are now ubiquitous tools that are integrated into larger networks and used daily for tasks like education, business, and communication via the internet. They have become versatile machines that are more powerful and useful than early supercomputers and mainframes.
This document introduces computers and their uses. It defines a computer, describes how they are used in daily life, and classifies different types from supercomputers to microcomputers. The document also outlines computer systems and their basic hardware components, how data is communicated through networks, and how computers have become integrated into most aspects of modern society.
This document provides an overview of basic computer concepts including defining computers and their components, networks and the internet, types of computer software, different categories of computers and users, and applications of computers in society. It explains that a computer processes data into information, identifies the five main components, and discusses advantages and disadvantages of computer use. Networks and the internet are defined and their benefits explained. Various types of computer users and how they interact with computers are also outlined.
1) Computers are electronic devices that operate under stored instructions to process data according to those instructions.
2) A computer consists of both hardware and software components. The hardware includes input, output, and storage devices, as well as the system unit containing electronic components like the CPU and memory. Software provides instructions to tell the computer how to perform tasks.
3) Computers are used in many aspects of modern society, both personally and professionally. They allow people to perform tasks more efficiently and share information globally through networks and the internet.
1) Computers are electronic devices that operate under stored instructions to process data according to those instructions.
2) A computer consists of both hardware and software components. The hardware includes input, output, and storage devices, as well as the system unit containing electronic components like the CPU and memory. Software provides instructions for the computer's operation.
3) Computers are used in many aspects of modern society from education and business to entertainment and communication. They allow people to perform tasks more efficiently and share information globally through networks and the internet.
What is computer Introduction to Computing Ahmad Idrees
Computers make it easier to do a lot of things, but most of the things they make it easier to do don't need to be done.
Computers are useless. They can only give you answers.
This document outlines different data storage devices, how they work, and their advantages. It discusses magnetic storage devices like hard drives, optical storage devices like CDs and DVDs, flash memory devices like USB drives, online cloud storage, and older paper storage methods. Hard drives are described as using spinning disks and magnetic coating to store data, with interfaces like SATA, IDE, and SCSI. RAID configurations like RAID 0 and 1 are outlined which stripe or mirror data across multiple disks. External hard drives and solid state drives are also summarized.
The document provides an overview of information technology concepts including the historical development of IT, types and generations of computers, and applications of IT. It discusses the progression from the pre-mechanical age through various generations of computers based on technologies like vacuum tubes, transistors, integrated circuits, and microprocessors. The key types of computers covered are supercomputers, mainframes, minicomputers, and microcomputers. Various applications of these computers in fields like research, weather forecasting, banking, education, and personal use are also summarized.
A computer is an electronic device that processes data through an input device, storage, and output device. It contains hardware components like a system unit, storage, input, and output devices. Computers provide advantages like speed, reliability, and consistency but also health risks and impact privacy and the environment. Networks connect computers through communication devices and the Internet is a worldwide collection of networks used for communication, research, shopping, banking, entertainment and more. Computer software includes operating systems, applications, and programs that tell the computer how to process data. There are different types of computers including personal computers, mobile devices, servers, mainframes, supercomputers, and embedded computers.
IT infrastructure consists of the physical devices and software applications that operate an entire enterprise. It includes computing platforms, telecommunications services, data management services, application software services, and IT management services. The infrastructure provides a shared platform for the firm's information systems applications. It includes hardware, software, and shared services across the organization. Major components are computer platforms, operating systems, enterprise software, networking/telecommunications, databases, internet platforms, and consulting services.
Information technology (IT) involves using computers, storage, networking and other devices to create, process, store, secure and exchange electronic data, especially for business purposes. IT is important because it allows businesses to collect, analyze and use data in key areas like product development, marketing, sales and compliance. Examples of IT roles include server upgrades, security monitoring, developing new software applications, improving systems availability, and providing user support. Software includes operating systems, applications and mobile apps, while hardware encompasses servers, storage, networking equipment and telecom infrastructure. Modern IT architectures increasingly use virtualization and cloud computing to abstract and pool physical resources flexibly on demand. In-demand IT skills include cybersecurity, cloud computing, automation, software
This document provides an overview of computers and their uses. It defines what a computer is, describes its main components, and discusses different types of computers like personal computers, mobile devices, servers, and supercomputers. It also outlines how computers are used in various sectors of society like education, healthcare, manufacturing, and more. Networks and the internet are explained, and advantages and disadvantages of computer usage are presented.
This document provides an overview of computers and the internet in 3 main sections:
1) It defines what a computer is and describes the basic components of a computer system including the central processing unit, memory, storage, input/output devices, and how they work together.
2) It explains what networks and the internet are, how they connect computers, and key technologies that enable communication like servers, IP addresses, and wireless networks. Important internet applications like email, instant messaging, and e-commerce are also outlined.
3) It describes the development and functionality of the World Wide Web including browsers, web servers, web pages, URLs, search engines, multimedia, and different types of websites. The impact and opportunities of
This document provides an overview of basic computer concepts and components, including the five main components of a computer. It discusses networks and the internet, different categories of computers and users. It also summarizes how computers are used in various sectors of society like education, finance, government, healthcare, science, publishing, travel and manufacturing.
E-manufacturing involves fully integrating business processes and systems through technologies like e-procurement, supply chain management, customer relationship management, and enterprise resource planning. It connects the entire enterprise from the plant floor to customers using electronic and web-based technologies. This allows for faster and more flexible manufacturing that can quickly adapt to changing business needs and better collaborate with suppliers and customers.
The document outlines the objectives and key concepts covered in a chapter about computers and technology. It will explain why computer literacy is important, define common terms like computer and network, describe the components of a computer, discuss different types of computers and software, and how computers are used in various contexts like at home, work, school, and more. The chapter explores the basics of what computers are, how they work, and their role in modern society.
This document provides an overview of information technology and discusses different categories of computers. It defines information technology as using computer hardware and software to store, retrieve, and manipulate information. Several advantages of IT are described, such as speed, reliability, storage capacity, and ability to communicate wirelessly. Potential disadvantages include privacy violations, public safety issues, job losses, and health and environmental risks. Various applications of IT in fields like education, finance, government, and healthcare are outlined. The categories of computers are then defined, including supercomputers, mainframes, personal computers, mobile computers, and embedded computers. Their distinguishing characteristics like physical size, processing speed, and storage capacity are compared.
A computer is an electronic device that receives data, processes it, stores the results, and produces an output. Early computers were large machines but computers now come in various sizes from supercomputers to microcomputers like desktop, laptop, and tablet computers. Computers are integrated into networks to allow sharing of data and resources within an organization using intranets or between organizations using the internet or extranets.
This document provides information about different types of computers and IT topics. It discusses personal computers, laptops, mainframe computers and PDAs. It also covers computer hardware components like the CPU, RAM, and ROM. Software topics like operating systems, applications and the system development cycle are explained. The document also discusses computer networks, the internet, e-commerce, and how computers are used in business, government, hospitals and education. Health and safety precautions for computer use are also outlined.
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...PECB
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
-------------------------------------------------------------------------------
Find out more about ISO training and certification services
Training: ISO/IEC 27001 Information Security Management System - EN | PECB
ISO/IEC 42001 Artificial Intelligence Management System - EN | PECB
General Data Protection Regulation (GDPR) - Training Courses - EN | PECB
Webinars: https://pecb.com/webinars
Article: https://pecb.com/article
-------------------------------------------------------------------------------
For more information about PECB:
Website: https://pecb.com/
LinkedIn: https://www.linkedin.com/company/pecb/
Facebook: https://www.facebook.com/PECBInternational/
Slideshare: http://www.slideshare.net/PECBCERTIFICATION
How to Make a Field Mandatory in Odoo 17Celine George
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
Temple of Asclepius in Thrace. Excavation resultsKrassimira Luka
The temple and the sanctuary around were dedicated to Asklepios Zmidrenus. This name has been known since 1875 when an inscription dedicated to him was discovered in Rome. The inscription is dated in 227 AD and was left by soldiers originating from the city of Philippopolis (modern Plovdiv).
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.
Leveraging Generative AI to Drive Nonprofit InnovationTechSoup
In this webinar, participants learned how to utilize Generative AI to streamline operations and elevate member engagement. Amazon Web Service experts provided a customer specific use cases and dived into low/no-code tools that are quick and easy to deploy through Amazon Web Service (AWS.)
2. CONTENTS
What is a computer?
An expanded model of a computer
The role of software
Types of computers
ICT systems
Glossary
2
3. WHAT IS A COMPUTER?
• all the parts of a
computer that
you can
physically touch
Hardware
• the programs –
sets of
instructions – that
tell the computer
what to do
Software
3
Main components or parts of a computer
4. WHAT IS A COMPUTER?
IPO model
4
The basic model of a computer
5. WHAT IS A COMPUTER?
A computer is a multi-purpose electronic tool
that can receive data (input),can process the
data, can produce results and can output
them.
5
A definition of a computer
Input
data
Process
Produce
results/
Output
6. WHAT IS A COMPUTER?
DATA INFORMATION
raw, unprocessed facts.
CAT123NW
is the result of the
processing of data and
should be useful and
meaningful.
registration number of a car
from the North West
province.
6
CAT123NW
7. AN EXPANDED MODEL OF A COMPUTER
7
get data into
computer
executes the
instructions, processes
the data and manages
and controls all the other
parts of the computer
keep instructions and data
that it is not currently working
on
get feedback from the
computer
allow computers to
communicate with
each other
8. AN EXPANDED MODEL OF A COMPUTER
Programs have to be ‘loaded’ before they
can be used.
Data must also be in memory if the computer
is to work with it.
The contents of memory only become
‘permanent’ when you ‘Save’ them.
8
Note the following:
9. THE ROLE OF SOFTWARE
System
Software
Application
Software
9
Software categories according to function
13. THE ROLE OF SOFTWARE
Open source
software (OSS)
• Advantages :No cost / low cost; Access to source code;
Freedom to adapt and change; Access to a community of
users / support.
• Disadvantages: No one to hold responsible; Risk of poor
support; Higher skills needed; Various ‘varieties’.
Proprietary
software
• Shrinkwrap; Shareware; Freeware
• Proprietary software is owned by a company – you never
get the source code – in fact you only ever ‘license’ the
software, you do not ‘own’ the software.
13
Software categories according to distribution
model
15. TYPES OF COMPUTERS
15
Servers
-used in
network
environment
s to help
‘run’ a
network of
linked
computers
16. TYPES OF COMPUTERS
These are small
portable devices
They are designed
to be controlled
through touch
screen interfaces
Consumer tablets
usually have WiFi,
Bluetooth and 3G
communication built
in
16
Consumer Tablets & Tablet PCs
17. TYPES OF COMPUTERS
Server
• Providing services to users in a network.
Desktop, laptop, notebook, netbook, Tablet PC
• Productive work and the use of applications that allow one to be
creative.
Consumer tablet
• Use digital content, access the web and e-mail, create documents,
play games, etc.
Smartphone
• Mobile access to connectivity and services.
17
Uses
19. ICT SYSTEMS
Information
is power
and creates
the potential
for wealth.
Newspapers
sell
information
about their
subscribers
Google and
Facebook
advertising
using information to
streamline their
stock control and
ordering processes
19
The ability to analyse and interpret data in order to arrive at valid
conclusions and to form accurate predictions (information) can spell
the difference between success and failure.
20. ICT SYSTEMS
20
Information Communication Technology
Manipulated
or processed
data
The process
of transferring
data/
information
from one place
to another
• Systems
technologies
(hardware and
software)
• Communications
technologies
(networks and
communication
devices)
21. ICT SYSTEMS
Data warehousing:
securely store, manage and retrieve large
amounts of data.
Data mining:
process and analyse data looking for valuable
information that you did not even know was
there.
21
Data storage by businesses
22. ICT SYSTEMS
Supermarket chain
Modern POS systems use
barcodes and scanning
Scanning is also more
accurate
Items scanned removed
from a computerised
database of what is in
stock – enabling you to
better manage your
inventory.
Data sent to the head
office - stock ordering and
management decisions.
22
Examples of ICT systems in everyday life
An ICT system enables
them to
Order only the right
amount of stock when
needed
See which items are not
selling well
track sales
23. ICT SYSTEMS
Cellphone company
contracts
adequate supplies & stock of
cellphones
generating finance for
expansion and maintenance
tracking of call durations,
SMSs, data transfers, free
talk time, carry-over of free
minutes/seconds, and expiry
of the same
service and repairs of
cellphones and other
infrastructure
monitoring the network
status
maintaining staff records 23
Examples of ICT systems in everyday life
An ICT system enables them
to
List how many calls you
have made, to which
numbers and how long each
call was
Total the number of minutes
used and bill you for them
Total the amount of data you
have transferred (usually in
megabytes) and then bill you
for that.
They are excellent media consumption devices, and allow easy browsing on the Internet and e-mail communication on-the-go. They also do well as portable gaming devices, e-book readers, GPS devices and even productivity devices. They have productivity apps such as word processing, presentation, spreadsheets, photo and video editing, etc - just not as powerful as desktop versions of the same software....