Computer Science :: All Aptitude Test ::

1.How many DMA channels are in an AT-machine?
A. 3
B. 4
C. 7
D. 3

2.Which provides the fastest data access time?
A. RAM
B. ROM
C. CD-ROM
D. RAM

3.When configuring a new network interface card for installation, which of the following would be a valid I/O address?
A. 378
B. 2F8
C. 3F8
D. 378

4.Which is NOT typically a Field Replaceable Unit?
A. System ROM
B. Power supply
C. System chasis
D. System ROM

5.A human cannot feel a static discharge as high as _____ volts.
A. 200
B. 2000
C. 10000
D. 200

6.What can you use to ensure power is not interrupted, resulting in corrupted data?
A. UPS
B. Proper grounding
C. Surge protector
D. UPS

7.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

8.What does the acronym RTS represent?
A. Required to save
B. Ready to start
C. Request to send
D. Required to save

9.Which is the easiest component to environmentally recycle?
A. Motherboards
B. CMOS batteries
C. Toner cartridges
D. Motherboards

10.What problem can occur if a printer cable is to close to a power cable?
A. ESD Electrostatic Discharge
B. EMI Electromagnetic Interference
C. parity error
D. ESD Electrostatic Discharge

11.ESD damage can be caused by:
A. Placing an IC in a non-conductive plastic bag
B. Placing an IC on a grounded mat
C. Repeated sags in current supplied from outlets
D. Placing an IC in a non-conductive plastic bag

12.The standard VGA display has _____ pixels in its native graphics mode?
A. 648 x 320
B. 640 x 480
C. 680 x 440
D. 648 x 320

13.What problem can occur if a printer cable is to close to a power cable?
A. ESD Electrostatic Discharge
B. EMI Electromagnetic Interference
C. parity error
D. ESD Electrostatic Discharge

14.How can you totally protect a PC from damage during an electrical storm?
A. Disconnect the AC power cable
B. Disconnect all external cables and power cords
C. Use a surge protector
D. Disconnect the AC power cable

15.The ESD wrist strap is designed to protect PC Components or Service Technicians ?
A. PC Components
B. Service Technicians
C. All of the above
D. PC Components

16.To test for AC ripple on a PC power supply, you would set the volt/ohm meter for:
A. DC voltage scale
B. AC voltage
C. OHM scale
D. DC voltage scale

17.The ATAPI compliance is stands for?
A. CDROM
B. Bus mastering
C. Mass storage device
D. CDROM

18.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. Video board

19.When not in use, it is very important to keep 5 VA diskettes in _____.
A. Their protective sleeves
B. In a plastic bag
C. On a shelf in an upright position
D. Their protective sleeves

20.Which I/O port belongs to LPT2?
A. 378H
B. 278H
C. 3f8h
D. 378H

21.What resistence in ohms should be displayed ehen testing a speaker in a computer?
A. 0 Ohms
B. 16 Ohms
C. -200 Ohms
D. 0 Ohms

22.How much video RAM is needed to display 1024x768 at 24-bit color?
A. 1MB
B. 4MB
C. 8MB
D. 1MB

23.All Operating Systems get their total memory initialized from?
A. CPU
B. BIOS
C. ROM
D. CPU

24.Which type of pc card (PCMCIA) slot will allow the insertion of a hard drive?
A. type I
B. type II
C. type III
D. type I

25.During the fusing process, toner is:
A. dry pressed into the paper
B. electrically bonded to the paper
C. melted into the paper
D. dry pressed into the paper

26.When a bearing in the power supply fan goes out, what should you replace?
A. fan
B. case
C. bearing
D. fan

27.A PCMCIA measuring 10.5mm is what type?
A. type 1
B. type 2
C. type 1 and 3
D. type 1

28.What component would most likely cause a "parity error"?
A. bad hard disk
B. bad controller
C. bad RAM
D. bad hard disk

29.Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because:
A. there are a lot more I/O addresses than IRQs.
B. the BIOS sometimes has more of a problem controlling IRQs
C. I/O addresses cannot conflict
D. there are a lot more I/O addresses than IRQs.

30.You have just installed a new internal PCI modem on you desktop. It will not dial out. what is the problem?
A. The port speed is set too high
B. the modem has not been set up in control panel properties
C. the phone line is plugged into the line-in port on the modem card
D. The port speed is set too high


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