Test your basic knowledge |

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. What is Virtual RAM?
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.
Pin Grid Array
Cache
RJ-45

2. Number of Pins for Drives: 2. SCSI
Redundant Array of Independant (Inexpensive) Disks.
50 - 68 - or 80
240
DB-25

3. Printers
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS
Pin Grid Array
DB-25 parallel

4. What is a Blackout?
Coaxial
200
Power failure
DB-25 parallel

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

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6. Serial mouse or external modem
Front Side Bus.
184
B-9 serial
TRS

7. What are the 6 form factors of motherboards?
Hardware
ATX - BTX - Micro ATX - ITX - NLX - and LPX
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.
Small Outline DIMM

8. Computer programs that perform specific tasks include: - Operating System- Program applications - Hardware drivers (special programs that tell the operating system how to use the hardware)
CMOS
Software
Cache
Error Correction Code.

9. Parallel devices connect to this connector.
Very Brief time (milliseconds) of too much voltage
2048 x 1536
Line Grid Array
DB-25

10. What is a Sag?
Output
DB-25
Radial Lines
Very brief time (milliseconds) of too little voltage

11. How many pins is a DDR3 DIMM?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Output
Storage
240

12. Surge
Network communications
Too much voltage
TRS
Error Correction Code.

13. Multiple core allow the PC to simultaneously process multiple ______.

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14. What are the two types of RAM?
Firewire 6-pin
40 or 80
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
TRS

15. How many pins is a SODIMM DDR2 DIMM?
200
order Boot sequence - Integrated devices - drive controllers - power supply settings
Network communications
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

16. Networking is a specialized form of input and output that entails using media (cable) and devices (routers - switches) to link multiple computers into an interconnected unit.
the CPU
240
Networking and Communications
34

17. BIOS allows you to do 4 things - what are they?
Componentization
order Boot sequence - Integrated devices - drive controllers - power supply settings
50 - 68 - or 80
9

18. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Liquid Crystal Display
detects and fixes corrupt data in RAM.
USB Type A
Joystick

19. What is the formal name of the 'headphone jack'?
9
Firewire 6-pin
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
3

20. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
BIOS
charged coupled device (CCD)
5.25
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

21. Number of Pins for Drives: 4. FDD
Networking and Communications
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
34
Cathode Ray Tube

22. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
B-9 serial
PS/2-style mouse
Storage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

23. Level one cache is located on ___________.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
charged coupled device (CCD)
the CPU
144

24. 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.
verifying data integrity.
the CPU
Storage
4

25. An example of a device that uses a high-density (three-row) DB-15 connector.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
TRS
VGA/SVGA monitor
2048 x 1536

26. External modems most commonly connect to this port.
240
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Hardware
Serial

27. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Software
9
PCIe - PCI - AGP - ESIA - and ISA
charged coupled device (CCD)

28. What does ECC stand for?
Error Correction Code.
3
TRS
Complex -Instruction - Set - Chips - Used in General Purpose PCs

29. What does ECC do?
verifying data integrity.
144
detects and fixes corrupt data in RAM.
Componentization

30. What does SODIMM stand for?
CMOS
800 x 600
Small Outline DIMM
40 or 80

31. An example of a device that uses a low-density (two-row) male DB-15 connector.
order Boot sequence - Integrated devices - drive controllers - power supply settings
ATX - BTX - Micro ATX - ITX - NLX - and LPX
tasks or 'Threads'
Joystick

32. LGA stands for ______.
USB Type A
the motherboard
Standardization
Line Grid Array

33. An example of a device that uses a 6-pin Mini-DIN connector.
Power failure
PS/2-style mouse
Speaker
CMOS

34. 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.
Input
Standardization
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
144

35. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Network communications
40 or 80
Speaker

36. What does RIMM stand for?
ECC
DB-15
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Output

37. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
the motherboard
VGA/SVGA monitor
removable chips on the motherboard
Output

38. How many pins is a DDR DIMM?
184
Firmware
TRS
Componentization

39. Ethernet network
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Front Side Bus.
CMOS

40. Spike
B-9 serial
Very Brief time (milliseconds) of too much voltage
9-pin serial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

41. UXGA is _____x_____
Storage
Firewire 6-pin
40 or 80
1600 x 1200

42. Parity is used in some _____________ - hard drives - and RAM.
Network communications
50 - 68 - or 80
ECC
CMOS

43. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
9-pin serial
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.
Input
Firmware

44. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Standardization
4

45. A type of memory that loses data when the power is no longer supplied to the component.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Volatile
Storage
144

46. An example of firmware.
40 or 80
BIOS
CMOS
Joystick

47. RAID 5 has at least ___ hard drives.
3
Firewire 6-pin
Coaxial
Volatile

48. 10Base-5 Ethernet and game ports use this cable
Standardization
DB-15
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

49. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Coaxial
the CPU
Radial Lines

50. What does CRT stand for?
Cathode Ray Tube
Componentization
7 or 15 (powered)
ATX - BTX - Micro ATX - ITX - NLX - and LPX