Computer and Information Technology (Physics) Part-IV

Total Questions: 50

11. Which of the following is not offered as an independent service layer in cloud computing? [Uttarakhand P.C.S. (Pre) 2016]

Correct Answer: (a) Hardware as a service
Solution:

In the given options hardware as a service is not offered as an independent service layer in cloud computing. While other options e, b and d are offered as an independent service layer in cloud computing and know as Saas, Paas and laas respectively.

12. Index hole is related to- [U.P. Lower Sub. (Mains) 2013]

Correct Answer: (b) Floppy Disk
Solution:

A small index hole in the floppy disk is used for referencing the beginning point of the stored data.

13. IRQ 6 is commonly assigned to: [U.P. Lower Sub. (Mains) 2015]

Correct Answer: (c) Floppy Drive Controller
Solution:

By default, IRQ 6 is assigned to the Floppy Drive Controller which is a standard function integrated on to most mother-boards.

14. A Program that controls a computer's basic functions? [U.P. Lower Sub. (Mains) 2013]

Correct Answer: (a) Operating System
Solution:

Operating systems are essential parts of any computer system and are indispensable in several modern electronic devices. Apart from doing the basic functions such as memory management, device management, process management etc., operating systems are now having several other capabilities such as watching movies, listening audios, web browsing etc.

15. The brain of the computer is known as: [Uttarakhand P.C.S. (Mains) 2002]

Correct Answer: (d) C.P.U
Solution:

CPU is the abbreviation for Central Processing Unit. Sometimes referred to simply as the central processor, but more commonly called processor. The CPU is the brain of the computer where most of the calculations take place.

16. The most important part of a computer is- [U.P.P.C.S.(Pre) 2012]

Correct Answer: (a) C.P.U.
Solution:

Central Processing Unit (C.P.U.) is the most important part of a computer. Here computer analyzes the received information or data.

17. CPU stands for- [Uttarakhand Lower Sub. (Pre) 2010]

Correct Answer: (b) Central Processing Unit
Solution:

Central Processing Unit (C.P.U.) is the most important part of a computer. Here computer analyzes the received information or data.

18. 'CPU' stands for- [Uttarakhand P.C.S. (Pre) 2006]

Correct Answer: (c) Central Processing Unit
Solution:

Central Processing Unit (C.P.U.) is the most important part of a computer. Here computer analyzes the received information or data.

19. Which of the following statement is not correct? [U.P.R.O/A.R.O. (Pre) 2021]

Correct Answer: (c) CPU - refers to Control Processing Unit
Solution:

CPU refers to Central Processing Unit. It is the brain of the computer where most of the calculations take place. Statements of other three options are correct.

20. Which of the following is function of Control Unit in CPU? [Uttarakhand P.C.S. (Pre) 2021]

Correct Answer: (a) Decode Program Instruction
Solution:

The Control Unit (CU) is an internal component of the microprocessor architecture that generates the necessary control signals to execute the program instructions and to control the various operations performed by the processor. The CPU (processor) contains three functional units.

These functional units are Control Unit (CU), Arithmetic Logic Unit (ALU) and the Memory Unit (MU). It is the CU that decodes the program instructions and control and directs all the operations of the computer system.