Computer Hardware MCQ

Test your knowledge with important Computer Hardware MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Computer Hardware MCQs at Bissoy

A PC with a 486DX2 processor runs internally at SOMhz. What speed would its external logic be running?

ক
l0Mhz

খ
25Mhz

গ
50Mhz

ঘ
100 Mhz

ঙ
None of the above
You are testing the resistance in Ohms of a fuse on a 2 amp system. If the fuse is good, the meter should read?

ক
0

খ
0.2

গ
5

ঘ
2

ঙ
None of the above
A keyboard locks up intermittently even when replaced with a new keyboard. What is the LEAST likely cause of the problem?

ক
A second bad keyboard

খ
The keyboard controller chip

গ
The keyboard connector

ঘ
The motherboard

ঙ
None of the above
The standard IRQ for the floppy drive is?

ক
9

খ
6

গ
10

ঘ
All of the above

ঙ
None of the above
Current is measured in units of:

ক
volts

খ
amps

গ
ohms

ঘ
farads

ঙ
diodes
What command is used to hang up a MODEM when using the "AT Command set"?

ক
ATZ

খ
ATD

গ
ATR

ঘ
ATH

ঙ
None of the above
MSD exe does not have information on:

ক
cache

খ
video

গ
operation system

ঘ
com ports

ঙ
None of the above
When configuring is a network interface cards without jumpers or plug and play, what is used to set the IRQs?

ক
DMA

খ
CMOS

গ
the OS

ঘ
configuration software

ঙ
None of the above
RTS stands for:

ক
ready to start

খ
ready to switch

গ
request to send

ঘ
request to scan

ঙ
ready to set
How would you allow device drivers and TSR's to be loaded into Upper Memory Blocks ?

ক
DOS=High

খ
devicehigh=

গ
loadhigh=

ঘ
DOS=UMB

ঙ
None of the above
Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?

ক
defective modem

খ
defective computer

গ
software bug

ঘ
bad phone line

ঙ
virus
RS-232 is a standard that applies to?

ক
Parallel port

খ
Serial port

গ
Game port

ঘ
All of the above

ঙ
None of the above
What is the result of adding an IP address to the DNS server search order

ক
It restricts browsing to that DNS server

খ
It overrides the local systems IP address

গ
It tells the DNS Server where the local system is located

ঘ
It tells the local system where the DNS Server is located

ঙ
None of the above
You should never put floppy drives, hard drives, or even VCR tapes or cassette tapes on top of speakers (or near any other source of magnetism) because of:

ক
RFI

খ
EMI

গ
EXE

ঘ
FYI

ঙ
IOU
To prevent toner from sticking to a laser printer's heat rollers, apply which of the following:

ক
Alcohol

খ
Oil

গ
Ammonia

ঘ
Beer or Jack Daniels

ঙ
None of the above
Which type of cable is most likely in use with rj-45 connectors?

ক
10base2

খ
10base5

গ
10baseT

ঘ
10baseFL

ঙ
None of the above
You are installing an IDE hard drive that will be your boot drive. Which is the correct order of steps that need to be followed?

ক
jumper properly, auto-detect(or configure manually) in CMOS, low level format, high level format, partition

খ
jumper properly, auto-detect(or configure manually) in CMOS, partition, high level format with / s switch

গ
jumper properly, partition, auto-detect(or configure manually in CMOS, high level format with /s switch

ঘ
jumper properly, auto-detect in CMOS, regular format

ঙ
jumper properly, partition, low level format, high level format
Which component stores an electrical charge?

ক
diode

খ
rectifier

গ
capacitor

ঘ
resistor

ঙ
transistor
In which phase of the laser printing process is a positive charge placed on the paper to pull the toner from the print drum?

ক
Writing

খ
Transferring

গ
Conditioning

ঘ
All of the above

ঙ
None of the above
A brownout is defined as:

ক
a slightly elevated voltage lasting from seconds to minutes or more

খ
a slightly decreased voltage lasting from seconds to minutes or more

গ
complete power out lasting a few minutes

ঘ
alternating power out, power on lasting a few minutes

ঙ
has nothing to do with electricity
In which mode can 2 or more applications be stored in memory at the same time?

ক
Segmented Mode

খ
Unprotected Mode

গ
Real Mode

ঘ
Protected Mode

ঙ
None of the above
Pick the correct choice for the 8088 CPU.

ক
16 bit word size, 8 bit data path

খ
8 bit word size, 8 bit data path

গ
16 bit word size, 16 bit data path

ঘ
4 bit word size, 8 bit data path

ঙ
8 bit word size, 16 bit data path
How many pins on a VGA?

ক
15

খ
9

গ
25

ঘ
32

ঙ
None of the above
Which type of system hoard is the MOST likely candidate for processor upgrading if you want maximum performance and future compatibility?

ক
ML

খ
PCI

গ
ISA

ঘ
EISA

ঙ
None of the above
You're on your PC at midnight and an electric storm pops up. What's the best way to protect your PC.

ক
you don't worry; you have a lightning rod on your house

খ
you don't worry; you've got a surge protector on your PC

গ
you don't worry; you've got a surge protector on your PC and phone line to your modem

ঘ
unplug the PC and remove phone line from the modem

ঙ
stop standing on it
How many devices does USB support?

ক
127

খ
125

গ
100

ঘ
225

ঙ
None of the above
To prevent the computer from overheating you should?

ক
Remove the slot cover from the back

খ
Keep the computer cover closed

গ
Remove the CPU fan

ঘ
All of the above

ঙ
None of the above
You are testing the resistance in Ohms of a fuse on a 2 amp systems. If the fuse is good, the meter should read?

ক
2

খ
5

গ
0

ঘ
0.2

ঙ
None of the above
WRAM is used on a

ক
modem

খ
video card

গ
motherboard

ঘ
ata connector

ঙ
None of the above
What is the most likely cause of an "FDD controller Failure" error message?

ক
you did not set the jumper on the floppy drive to drive A

খ
you forgot to flash CMOS

গ
you installed the floppy disk drive cable backward

ঘ
your computer's floppy drive is defective

ঙ
None of the above