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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. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Line Grid Array
4
Volatile
Speaker

2. How many pins is a SODIMM DDR2 DIMM?
2048 x 1536
200
Small Outline DIMM
Cache

3. An area of memory that holds recently-accessed data.
Cache
B-9 serial
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
5.25

4. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-15
144
Firewire 6-pin

5. RAID stands for _________.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Redundant Array of Independant (Inexpensive) Disks.
40 or 80
TRS

6. Printers
7 or 15 (powered)
Input
DB-25 parallel
VGA/SVGA monitor

7. Parity is used in some _____________ - hard drives - and RAM.
Cathode Ray Tube
Cache
Volatile
Network communications

8. Serial mouse or external modem
B-9 serial
34
DB-15
PCIe - PCI - AGP - ESIA - and ISA

9. Ethernet network
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.
RJ-45
Line Grid Array
Too much voltage

10. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
1024 x 786
Error Correction Code.
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.
charged coupled device (CCD)

11. 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.
Software
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Liquid Crystal Display

12. Spike
Very Brief time (milliseconds) of too much voltage
verifying data integrity.
BIOS
Redundant Array of Independant (Inexpensive) Disks.

13. Joystick or MIDI device (game port) - High Density DB-15 - VGA/SVGA monitor - 6-pin Mini-DIN - PS/2-style keyboard or mouse - By convention - purple connectors are used for the keyboard - and green connectors are used for the mouse.
Storage
144
Random Access Memory (RAM)
DB-15

14. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
5.25
2048 x 1536
Very brief time (milliseconds) of too little voltage

15. An example of a device that uses a TRS connector.
BIOS
TRS
Speaker
Firewire 6-pin

16. What is a Sag?
Very brief time (milliseconds) of too little voltage
Cache
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Liquid Crystal Display

17. level three cache is located on _________.
detects and fixes corrupt data in RAM.
Software
removable chips on the motherboard
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.

18. A serial mouse connects to a computer with this connector.
Input
VGA/SVGA monitor
9-pin serial
Coaxial

19. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
VGA/SVGA monitor
Hardware
1024 x 786

20. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
5.25
tasks or 'Threads'
Front Side Bus.

21. 10Base-5 Ethernet and game ports use this cable
1024 x 786
DB-15
the motherboard
Coaxial

22. 10Base-2 Ethernet uses this cable.
CMOS
Componentization
the motherboard
Coaxial

23. How many pins is a DDR2 DIMM?
50 - 68 - or 80
order Boot sequence - Integrated devices - drive controllers - power supply settings
240
CMOS

24. PGA stands for
Radial Lines
ATX - BTX - Micro ATX - ITX - NLX - and LPX
detects and fixes corrupt data in RAM.
Pin Grid Array

25. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
BIOS
TRS
the motherboard

26. UXGA is _____x_____
1600 x 1200
VGA/SVGA monitor
B-9 serial
charged coupled device (CCD)

27. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
50 - 68 - or 80
Cathode Ray Tube
Cache

28. SCSI code is set by a 4 things - what are they?
Very Brief time (milliseconds) of too much voltage
Standardization
BIOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

29. External modems most commonly connect to this port.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Serial
Too little voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.

30. QXGA is ____x____
2048 x 1536
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
40 or 80
5.25

31. Before sending a power supply to the recycling facility...
CMOS
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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Radial Lines

32. XGA is ____x_____
7 or 15 (powered)
Radial Lines
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.
1024 x 786

33. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Too little voltage
184
5.25
PCIe - PCI - AGP - ESIA - and ISA

34. Surge
184
Too much voltage
Random Access Memory (RAM)
Cathode Ray Tube

35. What is VRAM used for?
charged coupled device (CCD)
RJ-45
DB-15
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

36. What is a Blackout?
USB Type A
Power failure
Networking and Communications
34

37. A temporary data storage location that can be read from and written to.
Speaker
Input
Hardware
Random Access Memory (RAM)

38. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
DB-15
Storage
USB Type A
Input

39. 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)
Software
removable chips on the motherboard
PS/2-style mouse
34

40. 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.
Coaxial
144
Componentization
184

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

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42. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Front Side Bus.
DB-25 parallel
RJ-45

43. Number of Pins for Drives: 3. SATA
50 - 68 - or 80
144
7 or 15 (powered)
RJ-11

44. An example of a device that uses a low-density (two-row) male DB-15 connector.
DB-25
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Joystick
ECC

45. 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.
Front Side Bus.
Pin Grid Array
DB-15
Networking and Communications

46. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
50 - 68 - or 80
Serial
TRS

47. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
order Boot sequence - Integrated devices - drive controllers - power supply settings
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-25

48. An example of firmware.
1600 x 1200
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.
BIOS
Output

49. 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.
Processing
184
Standardization
Line Grid Array

50. Level one cache is located on ___________.
Storage
Software
Output
the CPU