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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. Before sending a power supply to the recycling facility...
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.
Software
order Boot sequence - Integrated devices - drive controllers - power supply settings

2. PGA stands for
VGA/SVGA monitor
Pin Grid Array
RJ-11
Single Inline Memory Module - has 30 or 72 contacts on only one side.

3. How many pins is a DDR DIMM?
Network communications
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
184
CMOS

4. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
144
the CPU
3

5. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
PCIe - PCI - AGP - ESIA - and ISA
VGA/SVGA monitor
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

6. UXGA is _____x_____
the CPU
1600 x 1200
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Very brief time (milliseconds) of too little voltage

7. What is a Sag?
Very brief time (milliseconds) of too little voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
4
800 x 600

8. Serial mouse or external modem
VGA/SVGA monitor
Output
B-9 serial
5.25

9. What does CRT stand for?
PCIe - PCI - AGP - ESIA - and ISA
Joystick
Cathode Ray Tube
800 x 600

10. How many pins is a SODIMM DDR2 DIMM?
200
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
240
TRS

11. 10Base-5 Ethernet and game ports use this cable
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DB-15
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.

12. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DB-15
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Pin Grid Array

13. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
the CPU
Too much voltage
Output
4

14. Printers
1024 x 786
verifying data integrity.
RJ-45
DB-25 parallel

15. 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.
Small Outline DIMM
Standardization
Pin Grid Array
verifying data integrity.

16. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
Cache
Complex -Instruction - Set - Chips - Used in General Purpose PCs
the motherboard

17. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Too much voltage
CMOS
Hardware
4

18. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
PS/2-style mouse
40 or 80
ECC

19. level three cache is located on _________.
2048 x 1536
Too much voltage
PCIe - PCI - AGP - ESIA - and ISA
removable chips on the motherboard

20. A serial mouse connects to a computer with this connector.
Volatile
144
9-pin serial
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

21. A temporary data storage location that can be read from and written to.
RJ-11
BIOS
Random Access Memory (RAM)
Very Brief time (milliseconds) of too much voltage

22. Parallel devices connect to this connector.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DB-25
Radial Lines
Joystick

23. External modems most commonly connect to this port.
the motherboard
Serial
Network communications
34

24. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
RJ-11
USB Type A
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Firewire 6-pin

25. Number of Pins for Drives: 3. SATA
Cache
the CPU
1600 x 1200
7 or 15 (powered)

26. 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)
Too little voltage
Software
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS

27. Level one cache is located on ___________.
PCIe - PCI - AGP - ESIA - and ISA
RJ-45
the CPU
7 or 15 (powered)

28. Ethernet network
CMOS
RJ-45
USB Type A
Redundant Array of Independant (Inexpensive) Disks.

29. ZIF stands for ______.
9-pin serial
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.
144
Firmware

30. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
40 or 80
240
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

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

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32. What is Virtual RAM?
Pin Grid Array
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.
144
1600 x 1200

33. An example of a device that uses a low-density (two-row) male DB-15 connector.
800 x 600
Joystick
Line Grid Array
the motherboard

34. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
Front Side Bus.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
50 - 68 - or 80

35. Surge
Too much voltage
the CPU
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.
144

36. What does RIMM stand for?
DB-25 parallel
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Processing
Network communications

37. An example of a device that uses a high-density (three-row) DB-15 connector.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Pin Grid Array
VGA/SVGA monitor

38. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
charged coupled device (CCD)
B-9 serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
verifying data integrity.

39. An area of memory that holds recently-accessed data.
Cache
Volatile
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
ATX - BTX - Micro ATX - ITX - NLX - and LPX

40. SVGA is ____ x_____
240
Storage
5.25
800 x 600

41. Internal modem or telephone
RJ-11
Storage
BIOS
184

42. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
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.
PCIe - PCI - AGP - ESIA - and ISA
Storage
4

43. XGA is ____x_____
ATX - BTX - Micro ATX - ITX - NLX - and LPX
1024 x 786
Firewire 6-pin
Very Brief time (milliseconds) of too much voltage

44. Serial ports have this many pins.
7 or 15 (powered)
9
the motherboard
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.

45. CPUs: What is RISC?
7 or 15 (powered)
Volatile
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Output

46. How many pins is a DDR2 DIMM?
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.
the motherboard
240
200

47. 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.
Standardization
PS/2-style mouse
Cache
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

48. What does ECC stand for?
Software
Error Correction Code.
verifying data integrity.
Radial Lines

49. What does SIMM stand for?
order Boot sequence - Integrated devices - drive controllers - power supply settings
5.25
Too much voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.

50. What is a Blackout?
Power failure
1024 x 786
240
DB-25 parallel