Computer Hardware Interview Questions and Answers | Basic Computer Knowledge

1.

How does a parallel port communicate information to a peripheral device?

   A.) one bit at a time
   B.) one byte at a time
   C.) 8 bytes at a time
   D.) 16,555 bytes at a time

Answer: Option 'B'

​one byte at a time

2.

Which values are held in CMOS for the hard drive

   A.) IRQ
   B.) size (heads, cylinders, sectors)
   C.) Virus alert
   D.) Free space

Answer: Option 'B'

size (heads, cylinders, sectors)

3.

You are testing the resistance in Ohms of a fuse on a 2 amp system. If the fuse is good, the meter should read?

   A.) 0.0
   B.) 0.1
   C.) 0.2
   D.) 0.3

Answer: Option 'A'

0.0

4.

Most PCs give a single beep on bootup to indicate they are ok hardware wise. You boot your PC and don't get a beep. What should you check first?

   A.) system board
   B.) RAM
   C.) microprocessor
   D.) power supply

Answer: Option 'D'

power supply

5.

On the PC side, the printer port is a:

   A.) 15 pin female serial connector
   B.) 15 pin female parallel connector
   C.) 25 pin female serial connector
   D.) 25 pin female parallel connector

Answer: Option 'D'

25 pin female parallel connector

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