MCQ on Motherboard [PDF] Questions for Competitive Exams

MCQ on Motherboard. Computer Mother board components related Questions and answers for competitive exams with pdf Most important question for interview and all other exams like SSC, CCC, CHSL, MP Police, GATE, HSSC CET, PMKVY, ITI COPA, Bank PO, Clerk etc.

MCQ on Motherboard

1. Bus word take from Latin word __________means for all.

a) Mini                       

b) Omnibus              

c) Vehicle         

d) None of these

Ans. b

2. CMOS is a type of RAM, which is constantly powered by _____.

(a) UPS battery        

(b) CMOS battery

(c) AC main              

(d) AA battery

Ans. b

3. In motherboard, BIOS is expanded as _____.

(a) Beginner Input Output System

(b) Bit Input Output System

(c) Basic Input Output System

(d) Basic Input Output Syntax

Ans. c

4. In motherboard, CNR stands for ______.

(a) Communication & Network Riser       

(b) Contact & Network Riser

(c) Communication & Network Ripper    

(d) Complementary & Networking Riser

Ans. a

5. In motherboard, AGP stands for ______.

(a) Automated Graphics Port        

(b) Accelerated Graphics Point

(c) Audio Graphics Port                 

(d) Accelerated Graphics Port

Ans. d

6. In motherboard, SATA stands for ______.

(a) Serial Advanced Technology Attachment

(b) Synchronous Advanced Technology Attachment

(c) Synaptic Advanced Technology Attachment

(d) Systematic Advanced Technology Attachment

Ans. a

7. In motherboard, ___ chipset takes care of data transfer to and from the processor.

(a) Southbridge       

(b) Eastbridge

(c) Northbridge        

(d) Westbridge

Ans. c

8. In motherboard, _______ chipset takes care of data transfer to and from the secondary storage devices (like hard disk, CD/DVD drive, etc.).

(a) Southbridge       

(b) Eastbridge         

(c) Northbridge        

(d) Westbridge

Ans. a

9. Missing slot covers on a computer can cause?

a) over heat                                      

b) power surges

c) incomplete path for ESD                       

d) None of these

Ans. a

10. Which motherboard form factor use 120 pin connector?

a) ATX

b) AT


d) All of these

Ans. a

11. Which type of system board is the MOST likely candidate for processor upgrading if you want maximum performance and future compatibility?

a) ML

b) PCI

c) ISA


Ans. b

12. Which would you have to upgrade to install an EIDE drive?


b) A 286 CPU

c) Controller board

d) ISA motherboard

Ans. c

13. The DC voltage on most circuit board is:

a) -12 volts                

b) 0 volts

c) + 5 volts                

d) +12 volts

Ans. c

14. Which of the following handles the interconnection between most of the devices and the CPU?

a) Northbridge         

b) RAM

c) ROM                      

d) Southbridge

Ans. d

15. Where does the motherboard store the keyboard controller support program?


b) hard drive

c) RAM

d) ROM chip

Ans. d

16. Which chip acts as a clock to keep the current date and the time?



c) RAM

d) ROM

Ans. a

17. Which chip is used to store information that describes specific device parameters?

a) BIOS         

b) CMOS       

c) ROM          

d) System BIOS

Ans. b

18. How can you easily clear the CMOS, including clearing the password?

a) Unplug the PC

b) Unplug the PC and remove the CMOS battery

c) Issue a ClearCMOS command from the command line

d) This can’t be done

Ans. b

19. When does the CMOS password appear?

a) after the windows desktop appears

b) at power on

c) right before the windows login screen

d) when windows appears

Ans. b

20. Several lines at the end of POST are used to find the operating system. What is this called?


b) Flash ROM

c) bootstrap loader

d) boot.ini

Ans. c

21. On PC power supplies, the wire attached to pin one is usually:

a) blue or red                       

b) blue or white

c) red or black          

d) white or orange

Ans. d

22. When seeking to upgrade for a particular motherboard what do you need to know?

a) memory                

b) hard drive

c) make& model      

d) dimm

Ans. c

23. WRAM is used on a

a) modem                 

b) video card

c) motherboard        

d) ata connector

Ans. b

24. The communication device that allows the computer to access a network is called a ____card.

a) modem

b) video

c) sound

d) network

Ans. d

25. A computer electronic circuit with transistors and other electronic components on a small silicon chip is called a(n)…..

a) workstation          

b) CPU          

c) magnetic disk      

d) integrated circuit

Ans. d

26. _____ connects the computer to the network media.

a) cable

b) hub

c) NIC

d) terminator

Ans. c

27. A personal computer uses a number of chips mounted on a circuit board called

a) Microprocessor

b) System Board

c) Daughter Board

d) Mother Board

Ans. d

28. In computer, standard which governs parallel communication is

a) RS-232

b) RS-232a

c) CAT 5

d) IEEE 1284

Ans. d

29. The 34-pin connection on an I/O card is for

a) floppy drive          

b) SCSI drive

c) IDE drive              

d) zip drive

Ans. a

30. Computer expansion slots connects the interface cards to the

a) ports                      

b) peripheral devices

c) mother board       

d) system bus

Ans. c

31. A port of computer may be connected to

a) expansion card               

b) CPU

c) mother board                   

d) Both A and C

Ans. d

32. In a computer, expansion cards are inserted into

a) slots of CPU                    

b) peripheral devices

c) hard disk of CPU            

d) back of monitor

Ans. a

33. PCB stands for_______

a) print current board                      

b) printed circuit board       

c) power circuit board                     

d) None of these

Ans. b

34. In a desktop computer, the board containing micro-processor, RAM and other components is called _____board.

(a) graphics              

(b) mother

(c) white                    

(d) None of these

Ans. b

35. CMOS in motherboard is expanded as ______.

(a) Customary Metal Oxide Semiconductor

(b) Complementary Mineral Oxide Semiconductor

(c) Complete Metal Oxide Semiconductor

(d) Complementary Metal Oxide Semiconductor

Ans. d

36. In motherboard, PATA stands for ______.

(a) Peripheral Advanced Technology Attachment        

(b) Port Advanced Technology Attachment

(c) Parallel Advanced Technology Attachment             

(d) Part Advanced Technology Attachment

Ans. c

37. The Backbone of computer is called ____

a) Mouse      

b) Motherboard        

c) SMPS       

d) Monitor

Ans. b

38. What is motherboard?

a) Scanner and other things are part of motherboard

b) Keyboard otherwise known as motherboard

c) A circuit  board which connects all the elements

d) It is a type of file server

Ans. c

39. The main circuit board in the system unit is also called the:

a) Busboard             

b) Daughterboard

c) Chipboard            

d) Motherboard

Ans. d

40. Boards that are used to connect additional devices to the motherboard are called

a) Bay cards                         

b) Port cards

c) Expansion cards             

d) Bus cards

Ans. c

MCQ on Motherboard [PDF Download]
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