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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. 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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
charged coupled device (CCD)
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.

2. What does ECC do?
Joystick
detects and fixes corrupt data in RAM.
RJ-11
9

3. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
charged coupled device (CCD)
Cathode Ray Tube
Too little voltage
PCIe - PCI - AGP - ESIA - and ISA

4. What does CRT stand for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Cathode Ray Tube
Power failure

5. External modems most commonly connect to this port.
Speaker
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.
Random Access Memory (RAM)

6. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
3
CMOS
4

7. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
144
RJ-11
Pin Grid Array

8. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Line Grid Array
200
Processing
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

9. QXGA is ____x____
Error Correction Code.
1600 x 1200
CMOS
2048 x 1536

10. 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.
ECC
Networking and Communications
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

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

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12. A temporary data storage location that can be read from and written to.
Speaker
Random Access Memory (RAM)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Network communications

13. PGA stands for
the motherboard
Pin Grid Array
Cache
Firmware

14. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
200
Input
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
USB Type A

15. An example of a device that uses a TRS connector.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Software
Speaker
BIOS

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)
CMOS
Software
34
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

17. What does SIMM stand for?
DB-15
50 - 68 - or 80
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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.

18. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Processing
9-pin serial
5.25
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

19. What are the 4 main types of storage?
Joystick
144
144
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

20. What is a Brownout?
Too little voltage
detects and fixes corrupt data in RAM.
Serial
USB Type A

21. How many pins is a DDR3 DIMM?
TRS
240
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Speaker

22. 10Base-5 Ethernet and game ports use this cable
BIOS
DB-15
240
Random Access Memory (RAM)

23. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Software
CMOS
Power failure

24. What are the two types of RAM?
Random Access Memory (RAM)
Radial Lines
B-9 serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

25. A serial mouse connects to a computer with this connector.
verifying data integrity.
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.
RJ-45

26. Number of Pins for Drives: 4. FDD
3
34
Firewire 6-pin
Very brief time (milliseconds) of too little voltage

27. How many pins is a DDR2 DIMM?
240
DB-25 parallel
Error Correction Code.
Software

28. What do the type types of Hard Drive acronyms stand for?
1024 x 786
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Very Brief time (milliseconds) of too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

29. An area of memory that holds recently-accessed data.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-25
Cache
Standardization

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

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31. level three cache is located on _________.
Small Outline DIMM
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
CMOS
removable chips on the motherboard

32. Internal modem or telephone
Cache
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
CMOS
RJ-11

33. SVGA is ____ x_____
9
Redundant Array of Independant (Inexpensive) Disks.
800 x 600
Output

34. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Redundant Array of Independant (Inexpensive) Disks.
Processing
detects and fixes corrupt data in RAM.
Output

35. Parallel devices connect to this connector.
Pin Grid Array
DB-25
removable chips on the motherboard
ECC

36. Level two cache is located on _______.
Speaker
the motherboard
Input
9-pin serial

37. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-25 parallel
VGA/SVGA monitor

38. 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.
Very brief time (milliseconds) of too little voltage
Standardization
Networking and Communications
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

39. How many pins is a SODIMM DDR2 DIMM?
200
charged coupled device (CCD)
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

40. An example of firmware.
BIOS
Too much voltage
200
DB-15

41. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
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.
Redundant Array of Independant (Inexpensive) Disks.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
CMOS

42. How many pins is a SODIMM DDR DIMM?
Too much voltage
144
800 x 600
Very Brief time (milliseconds) of too much voltage

43. Printers
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.
DB-25 parallel
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
40 or 80

44. How many pins is a DDR DIMM?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
CMOS
184
the motherboard

45. What is Virtual RAM?
TRS
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.
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.
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.

46. Parity is used in some _____________ - hard drives - and RAM.
Network communications
1024 x 786
TRS
detects and fixes corrupt data in RAM.

47. What does ECC stand for?
CMOS
detects and fixes corrupt data in RAM.
Coaxial
Error Correction Code.

48. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Radial Lines
1600 x 1200
ECC
Cathode Ray Tube

49. What is a Sag?
Random Access Memory (RAM)
Very brief time (milliseconds) of too little voltage
200
BIOS

50. Serial mouse or external modem
B-9 serial
USB Type A
Too little voltage
PCIe - PCI - AGP - ESIA - and ISA