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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. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Networking and Communications
CMOS
144
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

2. What does ECC do?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
detects and fixes corrupt data in RAM.
Cathode Ray Tube
BIOS

3. PGA stands for
Cathode Ray Tube
240
Pin Grid Array
Very brief time (milliseconds) of too little voltage

4. What does CRT stand for?
Networking and Communications
240
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Cathode Ray Tube

5. SDRAM sands for _______.
4
DB-15
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

6. Number of Pins for Drives: 3. SATA
PS/2-style mouse
4
tasks or 'Threads'
7 or 15 (powered)

7. An example of a device that uses a high-density (three-row) DB-15 connector.
5.25
Pin Grid Array
2048 x 1536
VGA/SVGA monitor

8. CPUs: What is RISC?
Power failure
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Cache

9. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Cache
Processing
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
2048 x 1536

10. Serial ports have this many pins.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Too much voltage
ECC
9

11. What is VRAM used for?
144
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-15
Storage

12. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
the motherboard
Networking and Communications
RJ-45

13. 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.
Power failure
Pin Grid Array
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

14. Ethernet network
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
RJ-45
50 - 68 - or 80

15. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Cache
CMOS

16. How many pins is a DDR2 DIMM?
240
9-pin serial
BIOS
DB-25 parallel

17. What are the 6 form factors of motherboards?
CMOS
Coaxial
TRS
ATX - BTX - Micro ATX - ITX - NLX - and LPX

18. Surge
184
Too much voltage
40 or 80
the motherboard

19. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
3
Line Grid Array
PCIe - PCI - AGP - ESIA - and ISA
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

20. SVGA is ____ x_____
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
BIOS
800 x 600
CMOS

21. An area of memory that holds recently-accessed data.
DB-15
DB-25
Processing
Cache

22. How many pins is a SODIMM DDR DIMM?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Componentization
144
Network communications

23. SCSI code is set by a 4 things - what are they?
the motherboard
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
9
USB Type A

24. Before sending a power supply to the recycling facility...
the CPU
40 or 80
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.
50 - 68 - or 80

25. How many pins is a DDR DIMM?
DB-25
removable chips on the motherboard
184
2048 x 1536

26. Parity is used in some _____________ - hard drives - and RAM.
184
Serial
USB Type A
Network communications

27. How many pins is a SODIMM DDR2 DIMM?
200
144
DB-15
9

28. UXGA is _____x_____
Line Grid Array
1600 x 1200
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
PS/2-style mouse

29. 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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
CMOS
verifying data integrity.
DB-15

30. What is a Brownout?
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Too little voltage
tasks or 'Threads'

31. Spike
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Very Brief time (milliseconds) of too much voltage
Coaxial
PCIe - PCI - AGP - ESIA - and ISA

32. A serial mouse connects to a computer with this connector.
800 x 600
Very Brief time (milliseconds) of too much voltage
9-pin serial
PS/2-style mouse

33. What does ECC stand for?
Error Correction Code.
BIOS
1600 x 1200
charged coupled device (CCD)

34. Printers
RJ-45
DB-25 parallel
Hardware
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

35. An example of firmware.
240
4
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
BIOS

36. What does LCD stand for?
Liquid Crystal Display
Speaker
TRS
the CPU

37. What does SODIMM stand for?
Small Outline DIMM
Componentization
40 or 80
Storage

38. 10Base-2 Ethernet uses this cable.
Coaxial
DB-25
Front Side Bus.
Processing

39. An example of a device that uses a low-density (two-row) male DB-15 connector.
Input
Coaxial
Joystick
VGA/SVGA monitor

40. 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
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
the motherboard
Pin Grid Array

41. External modems most commonly connect to this port.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Serial
Too little voltage
DB-25

42. Level one cache is located on ___________.
40 or 80
the CPU
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.
Coaxial

43. 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.
Standardization
7 or 15 (powered)
Software
4

44. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
BIOS
Radial Lines
tasks or 'Threads'
50 - 68 - or 80

45. Parallel devices connect to this connector.
ECC
DB-25
PS/2-style mouse
9

46. An example of a device that uses a 6-pin Mini-DIN connector.
Power failure
USB Type A
PS/2-style mouse
Networking and Communications

47. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Networking and Communications
Storage
CMOS
Cache

48. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
verifying data integrity.
Coaxial
charged coupled device (CCD)
50 - 68 - or 80

49. What do the type types of Hard Drive acronyms stand for?
184
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Line Grid Array
Liquid Crystal Display

50. QXGA is ____x____
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
2048 x 1536
34
Random Access Memory (RAM)