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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. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
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.
Very brief time (milliseconds) of too little voltage
2048 x 1536
CMOS

2. SCSI code is set by a 4 things - what are they?
200
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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.

3. What is a Brownout?
Too little voltage
200
Front Side Bus.
184

4. What is VRAM used for?
4
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Joystick

5. level three cache is located on _________.
removable chips on the motherboard
verifying data integrity.
Liquid Crystal Display
144

6. What does ECC stand for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Serial
Error Correction Code.
7 or 15 (powered)

7. How many pins is a SODIMM DDR2 DIMM?
CMOS
Hardware
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.
200

8. Before sending a power supply to the recycling facility...
184
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.
240

9. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
TRS
Small Outline DIMM
5.25

10. How many pins is a DDR3 DIMM?
DB-25
Random Access Memory (RAM)
240
Complex -Instruction - Set - Chips - Used in General Purpose PCs

11. What does RIMM stand for?
RJ-11
Software
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

12. Ethernet network
34
Software
RJ-45
50 - 68 - or 80

13. An area of memory that holds recently-accessed data.
Cache
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
the motherboard
Random Access Memory (RAM)

14. External modems most commonly connect to this port.
Cathode Ray Tube
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-25
Serial

15. 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.
Hardware
DB-25 parallel
Standardization
Firewire 6-pin

16. Parity is used in some _____________ - hard drives - and RAM.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Power failure
Network communications
Front Side Bus.

17. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
800 x 600
VGA/SVGA monitor
DB-15

18. What does CRT stand for?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Standardization
Joystick
Cathode Ray Tube

19. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
BIOS
detects and fixes corrupt data in RAM.
Radial Lines
4

20. 10Base-5 Ethernet and game ports use this cable
Standardization
verifying data integrity.
3
DB-15

21. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
40 or 80
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Storage
Liquid Crystal Display

22. PGA stands for
Speaker
Pin Grid Array
VGA/SVGA monitor
order Boot sequence - Integrated devices - drive controllers - power supply settings

23. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
verifying data integrity.
Radial Lines
Output
Speaker

24. 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.
RJ-45
Standardization
RJ-11

25. What does SIMM stand for?
7 or 15 (powered)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
240
ECC

26. Parallel devices connect to this connector.
the CPU
800 x 600
tasks or 'Threads'
DB-25

27. How many pins is a SODIMM DDR DIMM?
144
Volatile
Small Outline DIMM
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

28. Internal modem or telephone
verifying data integrity.
RJ-11
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.
4

29. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
40 or 80
B-9 serial
144

30. 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.
DB-15
Complex -Instruction - Set - Chips - Used in General Purpose PCs
240
Small Outline DIMM

31. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Radial Lines
charged coupled device (CCD)
Processing
ATX - BTX - Micro ATX - ITX - NLX - and LPX

32. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
USB Type A
Power failure
Firmware
Speaker

33. Level two cache is located on _______.
Speaker
Front Side Bus.
Processing
the motherboard

34. What are the two types of RAM?
1024 x 786
Pin Grid Array
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Networking and Communications

35. What is Virtual RAM?
ECC
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
2048 x 1536

36. How many pins is a DDR DIMM?
Software
CMOS
PCIe - PCI - AGP - ESIA - and ISA
184

37. 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)
DB-25
Componentization
verifying data integrity.
Software

38. LGA stands for ______.
Line Grid Array
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
144
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.

39. Serial mouse or external modem
B-9 serial
Liquid Crystal Display
RJ-45
34

40. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
ECC
charged coupled device (CCD)
TRS
the CPU

41. 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.
B-9 serial
3
144
Componentization

42. XGA is ____x_____
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
CMOS
BIOS
1024 x 786

43. Number of Pins for Drives: 2. SCSI
1600 x 1200
DB-25 parallel
Cache
50 - 68 - or 80

44. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Volatile
PCIe - PCI - AGP - ESIA - and ISA
4
TRS

45. How many pins is a DDR2 DIMM?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
7 or 15 (powered)
40 or 80
240

46. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Small Outline DIMM
1600 x 1200
verifying data integrity.
Input

47. Surge
the motherboard
Too much voltage
Software
9

48. A serial mouse connects to a computer with this connector.
Volatile
CMOS
Hardware
9-pin serial

49. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1600 x 1200
USB Type A
Firewire 6-pin

50. RAID 5 has at least ___ hard drives.
Processing
184
3
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS