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Online Computer Science Test - Computer Hardware Test

Instruction:
  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
  • DO NOT refresh the page.
  • All the best!

Marks : 2/20

Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.
1.
On the PC side, the printer port is a:
25 pin female serial connector
15 pin female parallel connector
25 pin male serial connector
15 pin female serial connector
25 pin female parallel connector
Your Answer: Option
(Not Answered)
Correct Answer: Option
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2.
What could cause a fixed disk error.
No-CD installed
bad ram
slow processor
Incorrect CMOS settings
None of the above
Your Answer: Option
(Not Answered)
Correct Answer: Option
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3.
Which part of the laser printer should NOT be exposed to sunlight?
Transfer corona assembly
PC drum
Primary corona wire
Toner cartridge
None of the above
Your Answer: Option
(Not Answered)
Correct Answer: Option
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4.
Which DOS driver is used to emulate expanded memory?
Himem.sys
EMM386.exe
Mem386.sys
Ramdrive.sys
None of the above
Your Answer: Option
(Not Answered)
Correct Answer: Option
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5.
When is the risk for electrostatic discharge the greatest?
Day time
High humidity
Low humidity
Night time
None of the above
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(Not Answered)
Correct Answer: Option
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6.
The ESD wrist strap is designed to protect PC Components or Service Technicians ?
PC Components
Service Technicians
Both
Your Answer: Option
(Not Answered)
Correct Answer: Option
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7.
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?
100
010
011
101
None of the above
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Correct Answer: Option
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8.
A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
l0Mhz
25Mhz
50Mhz
100 Mhz
None of the above
Your Answer: Option
(Not Answered)
Correct Answer: Option
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9.
What is the i/o address for com1?
3e8
3bc
5f8
3f8
008
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(Not Answered)
Correct Answer: Option
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10.
What is the main communication method from one PDA to another PDA?
IR
USB
RS-232
IEEE 1394
None of the above
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(Not Answered)
Correct Answer: Option
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11.
How can you totally protect a PC from damage during an electrical storm?
Disconnect the AC power cable
Disconnect all external cables and power cords
Use a surge protector
Turn off the AC power
None of the above
Your Answer: Option
(Not Answered)
Correct Answer: Option
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12.
What Does EISA stand for?
Extended Industry Standard Architecture
Expanded Industry Standard Architecture
Enhanced Industry Standard Architecture
Electronics Industry Standard Architecture
All of the above
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13.
What device prevents power interruptions, resulting in corrupted data?
Battery back-up unit
Surge protector
Multiple SIMMs strips
Data guard system
Turn off the AC power
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(Not Answered)
Correct Answer: Option
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14.
Which is the easiest component to environmentally recycle?
Motherboards
CMOS batteries
Toner cartridges
Cathode ray tubes
None of the above
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(Not Answered)
Correct Answer: Option
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15.
What command is used to hand up a MODEM when using the "AT Answer Command set"?
ATZ
ATD
ATR
ATH
None of the above
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(Not Answered)
Correct Answer: Option
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16.
You have a 15 pin female connector with the pins in two rows. What could you connect with this?
Serial device
Parallel device
MIDI device
Video device
Joystick
Your Answer: Option
(Not Answered)
Correct Answer: Option
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17.
Which of the following is a type of preventative maintenance used on a hard drive?
Disk check diagnostics
Head alignment diagnostics
Initializing
Uninstalling programs
None of the above
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18.
A brownout is defined as:
a slightly elevated voltage lasting from seconds to minutes or more
a slightly decreased voltage lasting from seconds to minutes or more
complete power out lasting a few minutes
alternating power out, power on lasting a few minutes
has nothing to do with electricity
Your Answer: Option
(Not Answered)
Correct Answer: Option
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19.
A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
l0Mhz
25Mhz
50Mhz
100 Mhz
None of the above
Your Answer: Option
(Not Answered)
Correct Answer: Option
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20.
You are testing the resistance in Ohms of a fuse on a 2 amp system. If the fuse is good, the meter should read?
0.0
0.2
5.0
2.0
None of the above
Your Answer: Option
(Not Answered)
Correct Answer: Option
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*** END OF THE TEST ***
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