Computer Hardware(Computer Aptitude ) Questions and answers for exam Preparation

Computer Aptitude

COMPUTER HARDWARE MCQs

Total Questions : 350 | Page 29 of 35 pages

Question 281. What product is used to clean smudged keys on a keyboard?

TMC solvent
Silicone spray
Denatured alcohol
All-purpose cleaner
None of the above

Discuss Question

Answer: Option D. -> All-purpose cleaner

Question 282. To view any currently running Terminate Stay Resident (TSR's) programs you could type:

Memory
MEM
SYS /M
Memmaker
None of the above

Discuss Question

Answer: Option B. -> MEM

Question 283. ESD would cause the most damage to which component?

Power supply
Expansion board
Monitor
Keyboard
None of the above

Discuss Question

Answer: Option B. -> Expansion board

Question 284. Suppose that you have a the maintenance package identifies several possible field replaceable units (FRUs) that will resolve the problem. What should you do after turning the power off?

Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock
Replace all of the indicated FRUs at once and return the machine to the customer if the problem is resolved
Follow the same procedure as in ays replace the system board first if it is on the list of possible FRUs If multiple FRUs are indicated, then software is the most likely source of the problem
None of the above

Discuss Question

Answer: Option A. -> Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock

Question 285. Which type of system board is the MOST likely candidate for processor upgrading if you want maximum performance and future compatibility?

ML
PCI
ISA
EISA
None of the above

Discuss Question

Answer: Option B. -> PCI

Question 286. 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?

system board
RAM
microprocessor
power supply
speaker

Discuss Question

Answer: Option E. -> speaker

Question 287. Which peripheral port provides the FASTEST throughput to laser printers?

RS-232
SCSI
Parallel
Serial
None of the above

Discuss Question

Answer: Option C. -> Parallel

Question 288. The mouse pointer moves erratically, what is the possible cause? The mouse

ball is dirty
is not connected
driver is not installed properly
has an incorrect IRQ setting
None of the above

Discuss Question

Answer: Option A. -> ball is dirty

Question 289. Voltage4s measured:

in parallel
in series
after breaking the circuit
after checking resistance
after checking current

Discuss Question

Answer: Option A. -> in parallel

Question 290. Your customer tells you the print quality of their dot matrix printer is light then dark. Which of the following could cause the problem.