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Q1. A customer calls and says her computer won’t boot, she can hear noises and can see lights on the box, but nothing comes up on the screen, what should you take to the site to fix the problem?
(A) Hard drive
(B) Video card
(C) Power cable
(D) Power supply
Answer: (B) Video card
Q2. If the voltage on pin 1 of the power supply is not in the range of _ volts, the PC will not boot.
(A) 10 – 20
(B) 1 – 5
(C) 50 – 110
(D) 2.5 – 5
Answer:(D) 2.5 – 5
Q3. Static electricity thrives is which type of environment?
(A) Cold and humid
(B) Warm and humid
(C) Warm and dry
(D) Cold and dry
Answer: (D) Cold and dry
Q4. 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) Defective tape driver
Answer: (A) IRQ
Q5. Resistance is measured in ohm.
(A) True
(B) False
Answer: (A) True
Q6. A hard disk is divided into tracks which are further subdivided into:
(A) Clusters
(B) Sectors
(C) Vectors
(D) Heads
Answer: (B) Sectors
Q7. A 2xx POST error code indicates a problem with:
(A) RAM or ROM
(B) Hard drive
(C) System board
(D) Second adapter card
Answer: (A) RAM or ROM
Q8. How many devices does USB support?
(A) 127
(B) 125
(C) 100
(D) 225
Answer: (A) 127
Q9. WRAM is used on a
(A) Modem
(B) Video card
(C) Motherboard
(D) Ata connector
Answer: (B) Video card
Q10. A PC with a 486DX2 processor runs internally at 50 Mhz. What speed would its external logic be running?
(A) 10 MHz
(B) 25 MHz
(C) 50 MHz
(D) 100 MHz
Answer: (B) 25 MHz
Q11. What IRQ is used for COM 2?
(A) 1
(B) 2
(C) 3
(D) 4
Answer: (C) 3
Q12. What is your first action when windows reports that your hard drive is developing bad sectors?
(A) Replace the hard drive
(B) Run defrag on the hard drive
(C) Run scandisk with the “thorough” option
(D) None of the above
Answer: (C) Run scandisk with the “thorough” option
Q13. Capacitance is measured in units of:
(A) Volts
(B) Amps
(C) Farads
(D) Neutrinos
Answer: (C) Farads
Q14. A workstation has just been installed on an Ethernet LAN, but cannot communicate with the network. What should you check first?
(A) Reinstall the network protocols
(B) Reinstall the network interface card driver
(C) Verify the ip configuration on the workstation
(D) Verify the link status on the computer’s network card
Answer: (D) Verify the link status on the computer’s network card
Q15. 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) 010
(C) 011
(D) 101
Answer: (C) 011
Computer Hardware MCQ – All Set
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