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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. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
tasks or 'Threads'
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Small Outline DIMM

2. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
3
Very brief time (milliseconds) of too little voltage
TRS
Output

3. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Too little voltage
Line Grid Array
Redundant Array of Independant (Inexpensive) Disks.
CMOS

4. Level one cache is located on ___________.
the CPU
CMOS
Componentization
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

5. How many pins is a DDR DIMM?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
CMOS
184
Network communications

6. How many pins is a SODIMM DDR2 DIMM?
200
Single Inline Memory Module - has 30 or 72 contacts on only one side.
40 or 80
144

7. PGA stands for
Cache
Pin Grid Array
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Coaxial

8. UXGA is _____x_____
1600 x 1200
Too much voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
PCIe - PCI - AGP - ESIA - and ISA

9. How many pins is a DDR3 DIMM?
1600 x 1200
240
Cathode Ray Tube
Line Grid Array

10. What is VRAM used for?
USB Type A
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
verifying data integrity.
Volatile

11. Ethernet network
Output
RJ-45
50 - 68 - or 80
Processing

12. 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.
TRS
Front Side Bus.
Componentization
charged coupled device (CCD)

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

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14. RAID 5 has at least ___ hard drives.
verifying data integrity.
50 - 68 - or 80
PS/2-style mouse
3

15. QXGA is ____x____
2048 x 1536
Very brief time (milliseconds) of too little voltage
Line Grid Array
Network communications

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)
Software
184
Liquid Crystal Display
800 x 600

17. LGA stands for ______.
Standardization
Redundant Array of Independant (Inexpensive) Disks.
Line Grid Array
184

18. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
DB-15
Hardware
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
charged coupled device (CCD)

19. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
charged coupled device (CCD)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

20. What is a Sag?
Power failure
9
4
Very brief time (milliseconds) of too little voltage

21. Number of Pins for Drives: 3. SATA
Small Outline DIMM
PCIe - PCI - AGP - ESIA - and ISA
the motherboard
7 or 15 (powered)

22. What does LCD stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Liquid Crystal Display
240
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

23. Level two cache is located on _______.
240
Pin Grid Array
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
the motherboard

24. What does ECC stand for?
Line Grid Array
Power failure
Error Correction Code.
charged coupled device (CCD)

25. Parallel devices connect to this connector.
DB-25
Line Grid Array
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Output

26. Number of Pins for Drives: 2. SCSI
9-pin serial
PS/2-style mouse
50 - 68 - or 80
CMOS

27. External modems most commonly connect to this port.
200
BIOS
Serial
1600 x 1200

28. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Input
144
Firewire 6-pin

29. 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.
Small Outline DIMM
240
Firmware

30. How many pins is a DDR2 DIMM?
144
Complex -Instruction - Set - Chips - Used in General Purpose PCs
240
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

31. RAID stands for _________.
Very brief time (milliseconds) of too little voltage
Joystick
9
Redundant Array of Independant (Inexpensive) Disks.

32. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
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.
Firewire 6-pin
9-pin serial

33. An example of a device that uses a TRS connector.
4
Standardization
Speaker
34

34. Number of Pins for Drives: 4. FDD
34
Firewire 6-pin
CMOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

35. 10Base-2 Ethernet uses this cable.
50 - 68 - or 80
Coaxial
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.
Hardware

36. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Firmware
Storage

37. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Output
800 x 600
Componentization
Radial Lines

38. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Random Access Memory (RAM)
Serial
USB Type A
charged coupled device (CCD)

39. Serial mouse or external modem
B-9 serial
CMOS
40 or 80
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

40. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Serial
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
ATX - BTX - Micro ATX - ITX - NLX - and LPX

41. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
ECC
BIOS
Too much voltage
charged coupled device (CCD)

42. How many pins is a MICRODIMM DIMM?
Liquid Crystal Display
Firmware
144
Hardware

43. What is the formal name of the 'headphone jack'?
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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
VGA/SVGA monitor

44. XGA is ____x_____
Network communications
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1024 x 786
Single Inline Memory Module - has 30 or 72 contacts on only one side.

45. What is a Brownout?
RJ-11
DB-15
detects and fixes corrupt data in RAM.
Too little voltage

46. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Too little voltage
7 or 15 (powered)
Error Correction Code.
PCIe - PCI - AGP - ESIA - and ISA

47. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Radial Lines
Error Correction Code.

48. Internal modem or telephone
the CPU
B-9 serial
Redundant Array of Independant (Inexpensive) Disks.
RJ-11

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

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50. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Processing
Too much voltage
Network communications