Computer Hardware - Practice Test

[#56] Which should you use for cleaning Mylar-protected LCD screens?

(A) Ammonia window cleaner

(B) Non-abrasive cleanser

(C) Anti-static wipes

(D) Alcohol-impregnated wipes

Correct Answer

(B) Non-abrasive cleanser

[#57] What could cause a fixed disk error?

(A) No-CD installed

(B) Bad RAM

(C) Slow processor

(D) Incorrect CMOS settings

(E) CDROM drive not installed

(F) Incorrect CMOS settings

(G) Incorrect RAM settings

(H) All of the above

Correct Answer

(D) Incorrect CMOS settings
(F) Incorrect CMOS settings

[#58] ESD potential decreases with the use of:

(A) De-ionizing fans

(B) A wrist strap

(C) Rubber gloves with matching cap

(D) A static meter

(E) De-ionizing fans

(F) A wrist strap

(G) Rubber gloves with matching cap

(H) A static meter

Correct Answer

(B) A wrist strap
(F) A wrist strap

[#59] Which of the following FRUs would be considered both an input/output device?

(A) Video board

(B) SCSI host adapter

(C) System board CPU

(D) All of the above

(E) Video board

(F) SCSI host adapter

(G) System board CPU

(H) All of the above

Correct Answer

(B) SCSI host adapter
(F) SCSI host adapter

[#60] How many DMA channels are in an AT-machine?

(A) 3

(B) 4

(C) 7

(D) 8

Correct Answer

(B) 4

Computer Hardware - Study Mode

[#56] Which should you use for cleaning Mylar-protected LCD screens?

Correct Answer

[#57] What could cause a fixed disk error?

Correct Answer

[#58] ESD potential decreases with the use of:

Correct Answer

[#59] Which of the following FRUs would be considered both an input/output device?

Correct Answer

[#60] How many DMA channels are in an AT-machine?

Correct Answer