CPU MCQ For HPSSC JOA IT Exam

 

CPU MCQ For HPSSC JOA IT Exam




1. ______is used by the CPU to communicate with devices that are contained within the computer, through physical connections such as cable or printed circuits.

a) Bus

 b) Control Bus

 c) Program 

d) Stack pointer


2. Microprocessors as switching devices are for ______ generation.

Ans. Fourth


3. In a computer most processing takes place in_____

Ans. CPU


4. Large scale integration is used in _____ Processor.

Ans. Memory


5. The number of pins in 8085 microprocessor is _____

Ans. 40 pins


6. Memory location in INTEL 8085 microprocessor has ______ numbers.

Ans. 65536


7. The sign Flag sets in 8085 when ______.

Ans. 16 bits


8. The five Flip –Flop set in 8085 is called _____.

Ans. Flap


9. In 8085 there are _____ General purpose registers.

Ans. 6


10. The part of micro-processor which performs number crunching and logical comparisons is called _______ .

(a) Arithmetic and Logic Unit (ALU)

(b) Register

(c) Cache

(d) timer


11. ALU stands for ______.

(a) Arithmetic and Logic University 

(b) Arithmetic and Local Unit

(c) Arithmetic and Logic Unit 

(d) Analysis and Logic Unit


12. The part of micro-processor used for storing values needed for next cycle of processing is called ______ .

(a) Arithmetic and Logic Unit (ALU)

(b) Register

(c) clock

(d) timer


13. The part of micro-processor holding data which is needed for forthcoming cycles of processing is called ______ .

(a) Arithmetic and Logic Unit (ALU)

(b) Register

(c) Cache

(d) timer


14. The part of micro-processor which maintains a clock and induces each cycle of processing through a pulse is called ______.

(a) Arithmetic and Logic Unit (ALU)

(b) Register

(c) Cache

(d) timer


15. The number of floating point operations carried out by a micro-processor in one second is called ______.

(a) FLOPS 

(b) timer

(c) clock 

(d) frequency


16. The number of cycles of operations performed by a processor per second is called its _____.

(a) bus speed

(b) connection speed

(c) clock speed

(d) baud rate


17. Whereas clock speed is the gross number of operations performed by a processor per second, FLOPS represents ________ of processor per second.

(a) wasted time

(b) effective out turn

(c) wasted cycles

(d) clock speed


18. A floating point operation may require ______ clock cycle to complete.

(a) just one

(b) less than one

(c) zero

(d) more than one


19. Intel Pentium processor was preceded by Intel processor.

(a) Core 2 duo 

(b) 80486/ 486

(c) Core i3 

(d) Core i5


20. Which is an internal power supply units of CPU?

A CVT

 B UPS

C SMPS

 D Stablizer


21. From the following which is known as the administrative section of the computer system?

a) Control Unit

b) Input Unit

c) RAM

d) Central Processing Unit


22. Component of CPU which is responsible for comparing the contents of two pieces of data is

a) ALU

b) CU

c) Memory

d) Register


23. When arithmetic, logic and control unit of a computer are combined into a single unit, it is known as

a) Central processing unit

b) memory unit

c) I/O unit

d) Operating unit


24. Brain of a computer is called

a) CPU

b) Software

c) Herd disk

d) Memory


25. A CPU contains

a) A card reader & a printing device

b) An analytical engine & a control unit

c) A control unit & an arithmetic logic unit

d) None of these


26. Movement of signals between CPU & I/O is

a) ALU

b) Control unit

c) Memory unit

d) Secondary storage


27. The part of the CPU that access & decodes program instructions, & coordinates the flow of data among various system components is the

a) Control unit 

b) ALU

c) Megahertz 

d) Motherboard


28. What does CPU stands for

a) Central processing unit 

b) Central process unit

c) Central printing unit 

d) Central peripheral unit


29. CPU consists of following parts

a) CU and main memory

b) CU and ALU

c) Main memory and storage

d) Operating system and application


30. Input is modified into output by

a) peripherals

b) Memory

c) CPU

d) Storage


31. Part of CPU which coordinates all functions of computer & other components

a) Mother board

b) Coordination board

c) Control unit

d) ALU


32. The function of CPU is

a) To provide external storage of text

b) To communicate with the operator

c) Ro read, interpret & process the information & instructions

d) Assembler


33. This components is required to process data into information & consist of integrated circuits

a) CPU

b) Hard disk

c) RAM

d) ROM


34. Memory unit is one part of

a) Control unit

b) CPU

c) Input device

d) Output device


35. _____ is the common name of IC

Ans. Chip


36. A device, which is not connected to CPU is called as ________ device.

a) Offline

 b) Online

c) off device

 d) not working


37. The technology that stores only the essential instructions on a microprocessor chip and thus enhances its speed is referred to as______

a) RISC

 b) ALU

c) Logo 

d) Command


38. The amount of time taken to complete a process is called _____

a) Turnaround Time

b) Processing Time

c) Process Time

d) Working Time


39. CPU reads secondary memory from _____ memory.

a) Main

b) ROM

c) Hard Disk

d) Cache


40. CPU is expanded as _______.

(a) Central Power Unit

(b) Critical Processing Unit

(c) Central Processing Unit

(d) Cerebral Processing Unit


41. ______ is called the "Brain of Computer".

(a) CPU 

(b) monitor

(c) keyboard

 (d) mouse


42. In the CPU of a computer, _______ delivers power supply to all the components at appropriate voltages.

(a) Hard Disk

(b) Mother Board

(c) Switch Mode Power Supply (SMPS)

(d) DVD drive


43. Parts of CPU are

a) ALU, CU, MU 

b) ALU, peripherals, memory

c) RAM, ROM, CU

 d) ALU, RAM, Heetson

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