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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. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
PS/2-style mouse
TRS
Very Brief time (milliseconds) of too much voltage
CMOS

2. 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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
144
Radial Lines

3. An example of a device that uses a TRS connector.
BIOS
800 x 600
Speaker
VGA/SVGA monitor

4. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Speaker
Input
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

5. What are the 4 main types of storage?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
tasks or 'Threads'
USB Type A

6. What is a Sag?
Very brief time (milliseconds) of too little voltage
Front Side Bus.
detects and fixes corrupt data in RAM.
Network communications

7. Before sending a power supply to the recycling facility...
Front Side Bus.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
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.
Power failure

8. An example of firmware.
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.
Cathode Ray Tube
BIOS
detects and fixes corrupt data in RAM.

9. Surge
Too much voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Speaker
Front Side Bus.

10. RAID 5 has at least ___ hard drives.
9-pin serial
USB Type A
200
3

11. What does RIMM stand for?
2048 x 1536
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
verifying data integrity.

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

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13. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
7 or 15 (powered)
USB Type A
Liquid Crystal Display

14. LGA stands for ______.
Line Grid Array
3
B-9 serial
Firewire 6-pin

15. level three cache is located on _________.
40 or 80
800 x 600
removable chips on the motherboard
charged coupled device (CCD)

16. What is VRAM used for?
Processing
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
1024 x 786

17. Spike
verifying data integrity.
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 much voltage
Storage

18. 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.
Output
Pin Grid Array
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.
Networking and Communications

19. An example of a device that uses a low-density (two-row) male DB-15 connector.
detects and fixes corrupt data in RAM.
Very brief time (milliseconds) of too little voltage
Joystick
PCIe - PCI - AGP - ESIA - and ISA

20. 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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
240
Firewire 6-pin
Componentization

21. ZIF stands for ______.
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.
Cache
3
detects and fixes corrupt data in RAM.

22. QXGA is ____x____
RJ-45
Output
CMOS
2048 x 1536

23. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Input
PCIe - PCI - AGP - ESIA - and ISA
1600 x 1200
CMOS

24. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-25 parallel
charged coupled device (CCD)
Cache

25. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
144
Output
PS/2-style mouse
240

26. What does SIMM stand for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
9-pin serial
Input
Single Inline Memory Module - has 30 or 72 contacts on only one side.

27. What is a Blackout?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Error Correction Code.
Power failure
Line Grid Array

28. A type of memory that loses data when the power is no longer supplied to the component.
Serial
Volatile
Firmware
50 - 68 - or 80

29. 10Base-5 Ethernet and game ports use this cable
DB-15
DB-25
B-9 serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

30. Printers
DB-25 parallel
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Error Correction Code.
144

31. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Network communications
Too much voltage
4
DB-15

32. External modems most commonly connect to this port.
Serial
Very brief time (milliseconds) of too little voltage
tasks or 'Threads'
DB-25

33. What does LCD stand for?
Firmware
Output
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Liquid Crystal Display

34. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
9-pin serial
tasks or 'Threads'
5.25
ECC

35. What is a Brownout?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Too little voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
removable chips on the motherboard

36. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
ECC
Storage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

37. How many pins is a DDR2 DIMM?
240
Volatile
B-9 serial
tasks or 'Threads'

38. Number of Pins for Drives: 3. SATA
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1600 x 1200
7 or 15 (powered)
34

39. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
CMOS
Firewire 6-pin
Power failure
Line Grid Array

40. What does CRT stand for?
PCIe - PCI - AGP - ESIA - and ISA
Very brief time (milliseconds) of too little voltage
DB-15
Cathode Ray Tube

41. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Redundant Array of Independant (Inexpensive) Disks.
40 or 80
order Boot sequence - Integrated devices - drive controllers - power supply settings
Radial Lines

42. How many pins is a SODIMM DDR DIMM?
removable chips on the motherboard
144
Power failure
5.25

43. 10Base-2 Ethernet uses this cable.
Serial
Coaxial
PCIe - PCI - AGP - ESIA - and ISA
200

44. What is the formal name of the 'headphone jack'?
Cache
Liquid Crystal Display
4
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

45. What are the two types of RAM?
40 or 80
BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
7 or 15 (powered)

46. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
3
Componentization
PCIe - PCI - AGP - ESIA - and ISA
Joystick

47. The actual speed of the CPU is governed by a _______ setting called the clock rate.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
BIOS
Front Side Bus.
1600 x 1200

48. How many pins is a MICRODIMM DIMM?
5.25
1024 x 786
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
144

49. An example of a device that uses a high-density (three-row) DB-15 connector.
removable chips on the motherboard
BIOS
Very Brief time (milliseconds) of too much voltage
VGA/SVGA monitor

50. Level two cache is located on _______.
1600 x 1200
the motherboard
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Speaker