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Questions
21 Devices which are used to receive data from central processing unit are classified as
A output/input devices
B digital devices
C signaled devices
D output devices

Answer: output devices
22 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?
A Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock
B Replace all of the indicated FRUs at once and return the machine to the customer if the problem is resolved
C 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
D All of these

Answer: Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock
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23 On the 16-bit ISA bus, IRQ2 is elevated to which higher level Interrupt?
A 9
B 11
C 13
D All of these

Answer: 9
24 Which part of the laser printer should NOT be exposed to sunlight?
A Transfer corona assembly
B Primary corona wire
C PC drum
D Toner cartridge

Answer: PC drum
25 After doing a low-level format, what would be the next step in configuring the hard drive in a system?
A Format DOS partition
B Install operating system
C Configure DMA channel and back-up interrupt
D Marfan syndrome

Answer: None of the above
26 Resistance is measured in ?
A Volts
B Amps
C Watts
D Ohms

Answer: Ohms
27 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 speaker

Answer: speaker
28 Place where large amounts of data are stored outside central processing unit is called
A backing store
B peripherals
C control unit
D AL unit

Answer: backing store
29 Teletypewriter terminal is an example of
A input devices
B output devices
C input/output devices
D storage devices

Answer: input/output devices
30 Your customer tells you the print quality of their dot matrix printer is light then dark. Which of the following could cause the problem.
A Paper slippage
B Improper ribbon advancement
C Head position
D All of these

Answer: Improper ribbon advancement

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