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Important Computer Notes

Computer Exercise (Long answers) 1. Explain the common features of computer system. >>> A computer system has several important features that make it powerful and useful: Speed: A computer can perform millions of instructions within a second. It can do complex calculations very quickly. Accuracy: It provides results without any mistakes as long as the input is correct. Automation: Once given instructions, a computer works automatically without needing human help for every step. Storage: Computers can store a large amount of data and information for future use. Versatility: Computers can be used for different purposes like education, business, games, communication, etc. Diligence: Unlike humans, computers do not get tired or bored. They can work for many hours without losing efficiency. Multitasking: Computers can perform multiple tasks at the same time. 2. Why is CPU called "The Brain of a computer system"? >>> The CPU (Central Processing Un...

Introduction to Computer

Definition of Computer A computer is an electronic machine that accepts data (input), processes it, produces results (output), and stores information for future use. It performs all these functions very quickly and accurately. Basic Operations of a Computer: A computer performs four major operations known as IPO-S: 1. Input – Accepting data through input devices like keyboard, mouse, scanner, etc. 2. Process – The CPU processes the data according to instructions (programs). 3. Output – Displaying or giving results through output devices like monitor, printer, speaker, etc. 4. Storage – Saving data and information in storage devices like hard drive, SSD, or USB. Features of a Computer: Some of the main characteristics that make a computer powerful are: 1. Speed – Computers can perform millions of tasks in a second. 2. Accuracy – Computers are highly accurate and make very few mistakes. 3. Versatile – A computer can be used for every types of works 4. Electronic – It runs usi...

Programming - Important Questions/Answer

PROGRAMMING CONCEPT 1. What could be a Program? ---- A program may be a grouping of informational composed to perform a particular task employing a computer. ---- These instructions are executed by the computer's processor. Example: A calculator app could be a program that performs scientific operations after you input numbers. 2. What is Software? ---- Software may be a common term for all the programs and working data utilized by a computer. ---- It can be partitioned into two fundamental types: ---- System Software: Oversees and controls equipment (e.g., Windows, Linux, macOS). ---- Application Software: Helps clients perform particular assignments (e.g., MS Word, Photoshop, web browsers). ---- Software cannot be touch...

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