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Comptia A +: Hardware

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

Instructions:

Answer 50 questions in 15 minutes.
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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. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Joystick
USB Type A
BIOS
removable chips on the motherboard

2. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
5.25
Radial Lines
charged coupled device (CCD)
3

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.
CMOS
Standardization
Speaker
ECC

4. Internal modem or telephone
RJ-11
Very brief time (milliseconds) of too little voltage
Serial
184

5. CPUs: What is RISC?
Componentization
Coaxial
9
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

6. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Pin Grid Array
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Hardware
Input

7. A serial mouse connects to a computer with this connector.
Speaker
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
9-pin serial

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

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9. 10Base-2 Ethernet uses this cable.
Firmware
Coaxial
240
Storage

10. What does SODIMM stand for?
CMOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Small Outline DIMM
verifying data integrity.

11. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
800 x 600
Standardization
TRS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

12. 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.
Componentization
PS/2-style mouse
Too little voltage
Cathode Ray Tube

13. Number of Pins for Drives: 2. SCSI
Too little voltage
the motherboard
50 - 68 - or 80
Random Access Memory (RAM)

14. What does LCD stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Liquid Crystal Display
Front Side Bus.
DB-15

15. What does CRT stand for?
Front Side Bus.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
TRS
Cathode Ray Tube

16. 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)
USB Type A
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Software

17. What does SIMM stand for?
Front Side Bus.
1024 x 786
40 or 80
Single Inline Memory Module - has 30 or 72 contacts on only one side.

18. What is a Brownout?
240
verifying data integrity.
Too little voltage
DB-15

19. QXGA is ____x____
DB-25
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.
2048 x 1536
the CPU

20. RAID stands for _________.
BIOS
9-pin serial
B-9 serial
Redundant Array of Independant (Inexpensive) Disks.

21. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Radial Lines
7 or 15 (powered)
CMOS

22. A type of memory that loses data when the power is no longer supplied to the component.
DB-25
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.
Speaker
Volatile

23. How many pins is a SODIMM DDR2 DIMM?
9-pin serial
DB-15
removable chips on the motherboard
200

24. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
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
CMOS
Too little voltage

25. UXGA is _____x_____
1600 x 1200
40 or 80
Processing
Pin Grid Array

26. What is the formal name of the 'headphone jack'?
BIOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
7 or 15 (powered)
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.

27. An example of a device that uses a high-density (three-row) DB-15 connector.
Cache
RJ-45
VGA/SVGA monitor
Pin Grid Array

28. RAID 5 has at least ___ hard drives.
3
1600 x 1200
TRS
800 x 600

29. Surge
Very Brief time (milliseconds) of too much voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX
TRS
Too much voltage

30. A temporary data storage location that can be read from and written to.
RJ-45
BIOS
34
Random Access Memory (RAM)

31. Number of Pins for Drives: 4. FDD
order Boot sequence - Integrated devices - drive controllers - power supply settings
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
34
TRS

32. How many pins is a DDR3 DIMM?
verifying data integrity.
184
Standardization
240

33. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Error Correction Code.
5.25
Too little voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

34. What are the 6 form factors of motherboards?
9
3
240
ATX - BTX - Micro ATX - ITX - NLX - and LPX

35. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
Hardware
9
RJ-11

36. 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
1024 x 786
the CPU
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

37. How many pins is a DDR2 DIMM?
240
Redundant Array of Independant (Inexpensive) Disks.
CMOS
Firmware

38. Level one cache is located on ___________.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
the CPU
4
Input

39. Parity is used in some _____________ - hard drives - and RAM.
Componentization
Network communications
Line Grid Array
2048 x 1536

40. BIOS allows you to do 4 things - what are they?
Firmware
the motherboard
removable chips on the motherboard
order Boot sequence - Integrated devices - drive controllers - power supply settings

41. What are the two types of 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.
B-9 serial
BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

42. What does ECC stand for?
DB-25
Error Correction Code.
Small Outline DIMM
Liquid Crystal Display

43. How many pins is a SODIMM DDR DIMM?
144
DB-15
Serial
Front Side Bus.

44. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Front Side Bus.

45. LGA stands for ______.
2048 x 1536
Line Grid Array
Small Outline DIMM
50 - 68 - or 80

46. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
34
Front Side Bus.
Redundant Array of Independant (Inexpensive) Disks.

47. SVGA is ____ x_____
Cache
order Boot sequence - Integrated devices - drive controllers - power supply settings
Firewire 6-pin
800 x 600

48. External modems most commonly connect to this port.
Joystick
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.
Serial
Error Correction Code.

49. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
TRS
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.
DB-25 parallel
ECC

50. Parallel devices connect to this connector.
DB-25
Error Correction Code.
Software
B-9 serial

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Comptia A +: Hardware

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