Computer Hardware Online Test3

Thank you very much for taking test

Computer Haedware Online Test3

1. Which component in a pc maintains color depth and screen resolution of a monitor?
VRAM	CMOS RAM

2. Today's PC use what type of RAM..?
DDR SDRAM	DDR2

3. When plugging the P8 and P9 power connectors into the system board, which of the following is true?
the black wires of both connectors should NOT be next to each other	P8 and P9 don't plug into the system board
the black wires of both connectors should be next to each other	it doesn't matter which way you plug them in, the voltages are the same

4. Which IRQ does the hard disk controller commonly use?
14	1
2	11

5. IRQ 6 is commonly assigned to:
sound card	Com1
floppy drive controller	LPT1

6. Which of the following is NOT a type of RAM?
SIMM	DIMM
ROM	SLIPP

7. Which do you use to comment out a line in the autoexeC.bat file?
rem	ram

8. Which device you should use to prevent the effect of power fluctuation in the power supply on your computer and works for a specific period of time even there is no power?
SMPS	UPS

9. Portable Pen Drive connects to the________port of computer.
USP2,0	USP

10. What does the term "wave table synthesis" relate to?
video	sound

11. What is different between AT and ATX power supplies?
They are identical except for their shape	AT supplies use a single P1 power connector while ATX uses P8 and P9
AT supplies use P8 and P9 power connectors while ATX uses a single P1 connector	AT power supplies run on 120V AC current while ATX uses 220V AC

12. Which has more storage capacity CD or DVD.
DVD	CD

13. With reference to a CPU, What MIPS means?
Million Instructions Per Second	Million Per Sccond Instruction

14. Hard Disk, DVD, CD-ROM are the examples What type of Memory?
Primary	Secondary

15. Which of the following conditions most increases the likelihood that ESD will occur?
hot, dry conditions	cool, damp conditions
cool, dry conditions	hot, damp conditions

16. Parity is:
a byte stored in the FAT to indicated remaining slots	the optimal transmission speed of data over a CAT 5 cable
an extra bit stored with data in RAM that is used to check for errors when the data is read back	the optimal transmission speed of data over a CAT 5 cable

17. What are the four key functions of a computer system?
input, processing, output, and storage	keyboard, display, memory, and disk drive
word processing, spreadsheets, database	bits, bytes, words, and OSI

18. UPS stands for:
Universal Power Supply	Uninterrupted Power Supply

19. Which is a PCI bus speed?
22Mhz	33Mhz

20. Which is the best choice for a specification for a video card?
AGP	SCSI