Basic Computer Question Answers for class 7

1. What is the full form of  LCD?

Ans. Liquid-crystal display (LCD)

2. Define Computer

Ans. Computer is an electronic machine that can store, find and arrange information, calculate amounts and control other machines

3. Give an example of application software

Ans. Examples of Application Software Microsoft suite of products (Office, Excel, Word, PowerPoint, Outlook, etc.)

4. What is the full form of RAM? 

Ans. RAM Full Form is Random Access Memory

5. Give some Examples of Output  Devices

Ans.

Monitor.

Printer.

Headphones.

Computer Speakers.

Projector.

GPS.

Sound Card.

Video Card.

6. An operating system 

Ans. An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.

7. What is hyperlink with example?

Ans. A hyperlink is an icon, graphic, or text that links to another file or object. ... For example, "Computer Hope home page" is a hyperlink to the main page of Computer Hope.

8. What is Drop Cap in Ms word?

Ans. Drop Cap is a formatting option in MS Word that allows you to insert a fancy capital letter that drops down below the line of text.

9. What is the input device?

Ans. In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.

10. Differenciate between RAM and ROM

Ans. RAM, which stands for random access memory, and ROM, which stands for read-only memory, are both present in your computer. RAM is volatile memory that temporarily stores the files you are working on. ROM is non-volatile memory that permanently stores instructions for your computer. Find out more about RAM.

11. What are the main functions of an operating system?

Ans. An operating system has three main functions: 

(1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, 

(2) establish a user interface, and (3) execute and provide services for applications software.

12. DIFFERENCIATE BETWEEN IMPACT PRINTERS NON-IMPACT PRINTERS.

 Comparison Chart

 13. What is Main memory? what are the Characteristics of main memory?

Ans. Main memory is where programs and data are kept when the processor is ... of memory is enough to hold approximately one million (106) characters of a word 

Main memory is as vital as the processor chip to a computer system. Fast computer systems have both a fast processor and a large, fast memory.

14. What is the function of computer explain with example?

Taking data and instructions from a user, processing the data as per instructions, and displaying or storing the processed data, are the four major functions of a computer. These functions are also known as the input function, process function, output function, and storage function, respectively.