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Home » GAT Subject » Computer Science » Aptitude Test - 66
1.During preventative maintenance on a dot matrix printer, do NOT lubricate:
A. Platen assembly
B. Print head pulley
C. Print head pins
D. Platen assembly
2.You see the message "invalid media device" after installing a new hard drive. What do you do next?
A. Format
B. Fdisk
C. Partition
D. Format
3.What is the modem hang up command?
A. ATHU
B. ATH
C. ATZ
D. ATHU
4.What expansion types do most pll/plll motherboards support?
A. MCA, PCI
B. ISA, EISA
C. ISA, PCI, AGP
D. MCA, PCI
5.An IRQ allow interface cards to:
A. Interrupt the CPU to request service
B. Pass data to the CPU to be processed
C. Pass data from one card to another
D. Interrupt the CPU to request service
6.One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:
A. The device that sends the monitor signals telling it what to display
B. The area that regulates all of the system power usage
C. The area where ail the of the Basic input/output routines are stored
D. The device that sends the monitor signals telling it what to display
7.What is the i/o address for com2?
A. 2vb
B. 2f8
C. 8f8
D. 2vb
8.The ESD wrist strap is designed to protect PC Components or Service Technicians ?
A. PC Components
B. Service Technicians
C. Both
D. PC Components
9.The floppy drive uses which DMA (direct memory access) channel?
A. 5
B. 4
C. 1
D. 5
10.The DC voltage on most circuit boards is:
A. -12 volts
B. 0 volts
C. +5 volts
D. -12 volts
11.A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?
A. The cables are attached firmly
B. The external drive has been pre�loaded with the appropriate software
C. The external drive was attached before the computer was on
D. The cables are attached firmly
12.What device protects against line deficiencies?
A. Surge protector
B. UPS
C. Logic probe
D. Surge protector
13.Which monitor would provide the highest level of performance?
A. VGA
B. XGA
C. CGA
D. VGA
14.Which of the following items would require you to comply with EPA disposal guidelines?
A. Keyboard
B. System board
C. Power supply
D. Keyboard
15.A hard disk is divided into tracks which are further subdivided into:
A. clusters
B. sectors
C. vectors
D. clusters
16.What is the paper feeding technology most commonly associated with dot-matrix printers?
A. sheet feed
B. tractor feed
C. friction feed
D. sheet feed
17.COM1 is typically represented by which of the following?
A. 15 pin port
B. 9 pin male port
C. 9 pin female port
D. 15 pin port
18.Which step should you perform first before discharging a CRT?
A. Remove the CRT from its housing
B. Disconnect the CRT from the computer
C. Remove the video assembly
D. Remove the CRT from its housing
19.A capacitor is measured in which of the following units?
A. Volts
B. Ohms
C. Farads
D. Volts
20.UART is a type of serial chip. Its letters stand for:
A. unidirectional access regarding transmission
B. universal asynchronous receiver/ transmitter
C. upper advanced real transfer
D. unidirectional access regarding transmission
21.A system has two IDE hard drives that are each divided into primary and extended partitions, which drive letter is assigned to the primary partition of the second drive?
A. C
B. D
C. E
D. C
22.What would you ask to determine if the display is working?
A. Is there a video cursor or action on the screen?
B. Did the computer beep or chime?
C. Is there high voltage static on the screen
D. Is there a video cursor or action on the screen?
23.Your CD-ROM audio cable connects to the:
A. speaker
B. sound card (or motherboard if sound is integrated with it)
C. power supply
D. speaker
24.In the Binary numbering system, a (1) represents a jumper being shorted and a (0) represents a jumper being open. On a three-bit jumper block on a SCSI drive, how would an ID of logical 3 be set?
A. 100
B. 10
C. 11
D. 100
25.After installing a sound card, the system locks up when a parallel port tape backup unit is also used. What is most likely the problem?
A. IRQ
B. DMA
C. defective LPT port
D. IRQ
26.You are testing the resistance in Ohms of a fuse on a 15K amp system. If the fuse is good, the meter should read?
A. 0
B. 0.2
C. 5
D. 0
27.14.4 modem should transmit _____ bits per second
A. 14,400-15,000
B. 140-150
C. 1400-1500
D. 14,400-15,000
28.In laser technology, what happens during the transfer stage?
A. Residual toner is transferred to the waste receptacle
B. The laser transfers the image from the drum to the paper
C. The image is transferred from the drum to the paper
D. Residual toner is transferred to the waste receptacle
29._____ is the term used to refer to the process of two modems establishing communications with each other.
A. interacting
B. handshaking
C. connecting
D. interacting
30.Suppose that the power lamp in on, but the printer will not print. What can you do to correct the problem?
A. Make sure the printer is on line
B. Replace the AC line fuse
C. Turn the printer on and off
D. Make sure the printer is on line
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