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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. An example of a device that uses a TRS connector.
Speaker
Line Grid Array
Processing
Joystick

2. What does SIMM stand for?
4
Single Inline Memory Module - has 30 or 72 contacts on only one side.
144
detects and fixes corrupt data in RAM.

3. An area of memory that holds recently-accessed data.
Processing
Cache
TRS
2048 x 1536

4. What is a Brownout?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Too little voltage
Output
Serial

5. 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.
Standardization
144
DB-15
tasks or 'Threads'

6. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Radial Lines
4
800 x 600
Coaxial

7. How many pins is a SODIMM DDR DIMM?
144
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-15
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.

8. What are the 6 form factors of motherboards?
Line Grid Array
USB Type A
removable chips on the motherboard
ATX - BTX - Micro ATX - ITX - NLX - and LPX

9. 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)
DB-15
184
CMOS

10. Level one cache is located on ___________.
the CPU
4
tasks or 'Threads'
CMOS

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

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12. SDRAM sands for _______.
Very Brief time (milliseconds) of too much voltage
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Storage

13. Ethernet network
RJ-45
Standardization
34
7 or 15 (powered)

14. How many pins is a DDR DIMM?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
40 or 80
240
184

15. level three cache is located on _________.
verifying data integrity.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Serial
removable chips on the motherboard

16. What are the two types of RAM?
Power failure
Volatile
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

17. How many pins is a DDR3 DIMM?
Power failure
240
DB-25
Single Inline Memory Module - has 30 or 72 contacts on only one side.

18. SVGA is ____ x_____
800 x 600
removable chips on the motherboard
RJ-11
Liquid Crystal Display

19. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
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-11
1600 x 1200
Firmware

20. What does SODIMM stand for?
DB-15
order Boot sequence - Integrated devices - drive controllers - power supply settings
Small Outline DIMM
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

21. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Standardization
DB-25 parallel
Componentization

22. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
RJ-11
Standardization
Front Side Bus.
PS/2-style mouse

23. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
9
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
the motherboard

24. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
3
144
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

25. 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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
the motherboard
Power failure
verifying data integrity.

26. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Network communications
Too little voltage
Front Side Bus.

27. How many pins is a DDR2 DIMM?
charged coupled device (CCD)
144
240
Radial Lines

28. 10Base-2 Ethernet uses this cable.
Coaxial
Storage
240
184

29. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
tasks or 'Threads'
BIOS
Front Side Bus.
CMOS

30. 10Base-5 Ethernet and game ports use this cable
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-15
order Boot sequence - Integrated devices - drive controllers - power supply settings
verifying data integrity.

31. Serial mouse or external modem
B-9 serial
Too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Cathode Ray Tube

32. Parity is used in some _____________ - hard drives - and RAM.
Network communications
VGA/SVGA monitor
Cache
Storage

33. What is Virtual RAM?
Cathode Ray Tube
PS/2-style mouse
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

34. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Network communications
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.
Cache
40 or 80

35. Spike
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
50 - 68 - or 80
Very Brief time (milliseconds) of too much voltage
VGA/SVGA monitor

36. What does LCD stand for?
200
CMOS
Liquid Crystal Display
Line Grid Array

37. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
184
Cathode Ray Tube
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

38. 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
Very Brief time (milliseconds) of too much voltage
Very brief time (milliseconds) of too little voltage
verifying data integrity.

39. How many pins is a MICRODIMM DIMM?
Power failure
144
the motherboard
3

40. The BIOS is stored on the _______ chip that is on the motherboard.
Small Outline DIMM
CMOS
Input
1600 x 1200

41. 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.
RJ-45
Cathode Ray Tube
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Standardization

42. What is a Sag?
Very brief time (milliseconds) of too little voltage
Pin Grid Array
240
detects and fixes corrupt data in RAM.

43. A serial mouse connects to a computer with this connector.
the motherboard
9-pin serial
144
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.

44. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
2048 x 1536
Output
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Storage

45. What is a Blackout?
3
Very Brief time (milliseconds) of too much voltage
Power failure
40 or 80

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

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47. LGA stands for ______.
Joystick
Line Grid Array
1600 x 1200
Software

48. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
B-9 serial
Componentization
ECC

49. Surge
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Speaker
USB Type A
Too much voltage

50. What does CRT stand for?
detects and fixes corrupt data in RAM.
Cathode Ray Tube
Standardization
240