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11th Standard English Medium Computer Technology Subject Introduction to Computers Book Back 2 Mark Questions with Solution Part - I

Published on: 11/06/2021

QB365 provides detailed and simple solution for every Book back Questions in class 11 Computer Technology Subject. It will helps to get more idea about question pattern in every book back questions with solution.

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Std: 11th Standard - Computer Technology

chapter: - Book back Questions

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Questions:

Generic 2

5 x 2 = 10

Distinguish Primary and Secondary memory.

What is the function of memory?

What is the function of an ALU?

Distinguish between data and information.

What is a computer?

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Answers Key:

Generic 2

5 x 2 = 10

Primary Memory	Secondary memory
It is used to temporarily store the programs and data when the instructions are ready to execute.	It is used to store the data permanently.
It is volatile, the content is lost when the power supply is switched off. Eg.RAM.	It is non-volatile, the content is available even after the power supply is switched off. Eg. ROM, CD-ROM, DVD ROM.

The primary memory is used to temporarily store the programs and data when the instructions are ready to execute. The secondary memory is used to store the data permanently.

(i) The ALU performs arithmetic operations.
(ii) The result of an operation is stored in internal memory of CPU.
(iii) The logical operations of ALU promote the decision making ability of a computer.

Data	Information
Data is defined as an unprocessed collection of raw facts, suitable for communications interpretation or processing.	Information is a collection of facts from which conclusions may be drawn.
(Eg) 134, 16 'Kavitha', 'C"	(Eg) Kavitha is 16 years old

(i) A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data.
(ii) Computer works faster than human being and given the values more accuracy and reliable.