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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
Radial Lines
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Too little voltage

2. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
3
Radial Lines
TRS
Firewire 6-pin

3. Components from many different manufacturers are interchangeable. As long as the component meets the standards - you can be reasonably confident that it will work in the system.
Volatile
Input
Standardization
Cathode Ray Tube

4. What does CRT stand for?
5.25
PCIe - PCI - AGP - ESIA - and ISA
Coaxial
Cathode Ray Tube

5. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
9-pin serial
Volatile
Input

6. Level two cache is located on _______.
the motherboard
CMOS
34
CMOS

7. How many pins is a DDR3 DIMM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
240
the motherboard
Cathode Ray Tube

8. An example of a device that uses a TRS connector.
144
Firewire 6-pin
Speaker
Error Correction Code.

9. XGA is ____x_____
9-pin serial
DB-15
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1024 x 786

10. A serial mouse connects to a computer with this connector.
240
9-pin serial
CMOS
DB-15

11. Spike
Very Brief time (milliseconds) of too much voltage
Coaxial
4
Radial Lines

12. How many pins is a SODIMM DDR DIMM?
Firmware
144
order Boot sequence - Integrated devices - drive controllers - power supply settings
Small Outline DIMM

13. Parity is a method of ____________. It is used when the reliability of the data is more important than the speed at which it is written or read. When the data is read or received - the bytes should still be even. If not - the data is corrupt.
Speaker
Very Brief time (milliseconds) of too much voltage
Standardization
verifying data integrity.

14. External modems most commonly connect to this port.
Input
Power failure
Serial
detects and fixes corrupt data in RAM.

15. An area of memory that holds recently-accessed data.
Cache
Volatile
VGA/SVGA monitor
Radial Lines

16. Joystick or MIDI device (game port) - High Density DB-15 - VGA/SVGA monitor - 6-pin Mini-DIN - PS/2-style keyboard or mouse - By convention - purple connectors are used for the keyboard - and green connectors are used for the mouse.
DB-15
BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
USB Type A

17. What does LCD stand for?
Liquid Crystal Display
CMOS
the motherboard
Too much voltage

18. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Output
verifying data integrity.
DB-15
charged coupled device (CCD)

19. Number of Pins for Drives: 2. SCSI
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
144
USB Type A
50 - 68 - or 80

20. Parallel devices connect to this connector.
Error Correction Code.
9
Pin Grid Array
DB-25

21. Before sending a power supply to the recycling facility...
BIOS
Serial
discharge the capacitors by touching and connecting the phase with the ground plug and then the neutral to the ground plug with an insulated screwdriver or pliers.
Very brief time (milliseconds) of too little voltage

22. What does ECC stand for?
Error Correction Code.
Radial Lines
Very brief time (milliseconds) of too little voltage
Cache

23. What are the 4 main types of storage?
RJ-11
Coaxial
discharge the capacitors by touching and connecting the phase with the ground plug and then the neutral to the ground plug with an insulated screwdriver or pliers.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

24. A working PC is a combination of many different parts - also called a Field-Replaceable Unit (FRU) - can be replaced when faulty or upgraded to provide additional functionality.
1024 x 786
Very brief time (milliseconds) of too little voltage
Componentization
CMOS

25. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
4
ECC
CMOS
detects and fixes corrupt data in RAM.

26. What is a Sag?
PCIe - PCI - AGP - ESIA - and ISA
Very brief time (milliseconds) of too little voltage
Cache
Redundant Array of Independant (Inexpensive) Disks.

27. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
7 or 15 (powered)
5.25
CMOS
verifying data integrity.

28. What is DVD-RAM? and how is it used?

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29. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
B-9 serial
240
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

30. What is a Brownout?
CMOS
charged coupled device (CCD)
Too little voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.

31. How many pins is a DDR DIMM?
BIOS
Redundant Array of Independant (Inexpensive) Disks.
184
ECC

32. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
50 - 68 - or 80
7 or 15 (powered)
200

33. What are the 6 form factors of motherboards?
Output
Line Grid Array
Zero Insertion Force. a physical interface that lets you set the CPU into the array - and then use actuate a lever to make actual contact.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

34. level three cache is located on _________.
Standardization
Volatile
RJ-45
removable chips on the motherboard

35. What is Virtual RAM?
DB-15
PS/2-style mouse
CMOS
Space on the HD that the RAM uses as an overflow area and as a backup copy of the contents in case of power failure.

36. QXGA is ____x____
Single Inline Memory Module - has 30 or 72 contacts on only one side.
PS/2-style mouse
DB-25 parallel
2048 x 1536

37. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Processing
34
USB Type A
Small Outline DIMM

38. Surge
RJ-45
Front Side Bus.
Too much voltage
CMOS

39. What is a Blackout?
2048 x 1536
Standardization
Power failure
Redundant Array of Independant (Inexpensive) Disks.

40. How many pins is a DDR2 DIMM?
RJ-11
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
TRS
240

41. What does ECC do?
detects and fixes corrupt data in RAM.
ECC
1024 x 786
7 or 15 (powered)

42. 10Base-2 Ethernet uses this cable.
Coaxial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
144
Network communications

43. How many pins is a SODIMM DDR2 DIMM?
RJ-11
RJ-45
3
200

44. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
removable chips on the motherboard
40 or 80
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
ECC

45. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
Standardization
Liquid Crystal Display
Error Correction Code.

46. CPUs: What is RISC?
B-9 serial
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
ECC

47. 10Base-5 Ethernet and game ports use this cable
1600 x 1200
DB-15
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Error Correction Code.

48. SVGA is ____ x_____
240
184
Input
800 x 600

49. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
BIOS
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

50. Parity is used in some _____________ - hard drives - and RAM.
CMOS
Network communications
Cache
B-9 serial