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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. What does SODIMM stand for?
DB-25 parallel
Small Outline DIMM
4
Cache

2. What does ECC stand for?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Very brief time (milliseconds) of too little voltage
Error Correction Code.
the motherboard

3. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
DB-15
DB-25
detects and fixes corrupt data in RAM.

4. 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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
USB Type A
3
Networking and Communications

5. What are the 6 form factors of motherboards?
Joystick
Line Grid Array
ATX - BTX - Micro ATX - ITX - NLX - and LPX
detects and fixes corrupt data in RAM.

6. level three cache is located on _________.
Random Access Memory (RAM)
Line Grid Array
7 or 15 (powered)
removable chips on the motherboard

7. 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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
ECC
Standardization
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

8. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
Software
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
CMOS

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

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10. What is a Brownout?
Too little voltage
9-pin serial
order Boot sequence - Integrated devices - drive controllers - power supply settings
Componentization

11. What is the formal name of the 'headphone jack'?
184
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
7 or 15 (powered)
CMOS

12. An example of a device that uses a 6-pin Mini-DIN connector.
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.
Joystick
PS/2-style mouse
PCIe - PCI - AGP - ESIA - and ISA

13. PGA stands for
Joystick
PCIe - PCI - AGP - ESIA - and ISA
USB Type A
Pin Grid Array

14. Parity is used in some _____________ - hard drives - and RAM.
2048 x 1536
Hardware
Standardization
Network communications

15. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
VGA/SVGA monitor
CMOS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

16. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Very Brief time (milliseconds) of too much voltage
144
5.25
USB Type A

17. RAID 5 has at least ___ hard drives.
Coaxial
3
Line Grid Array
Liquid Crystal Display

18. What is Virtual RAM?
tasks or 'Threads'
Random Access Memory (RAM)
VGA/SVGA monitor
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.

19. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
5.25
Radial Lines
USB Type A
the CPU

20. Internal modem or telephone
1024 x 786
CMOS
Line Grid Array
RJ-11

21. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
4
RJ-11
DB-25 parallel

22. What does CRT stand for?
BIOS
Hardware
Cathode Ray Tube
Too little voltage

23. 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.
Componentization
144
order Boot sequence - Integrated devices - drive controllers - power supply settings
1600 x 1200

24. How many pins is a MICRODIMM DIMM?
1024 x 786
tasks or 'Threads'
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.
144

25. An example of a device that uses a high-density (three-row) DB-15 connector.
40 or 80
VGA/SVGA monitor
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
34

26. Level two cache is located on _______.
ECC
the CPU
the motherboard
240

27. What are the 4 main types of storage?
detects and fixes corrupt data in RAM.
TRS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
144

28. What is a Blackout?
Power failure
DB-15
CMOS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

29. LGA stands for ______.
RJ-11
detects and fixes corrupt data in RAM.
Standardization
Line Grid Array

30. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Very brief time (milliseconds) of too little voltage
PS/2-style mouse
USB Type A
5.25

31. Spike
34
Very Brief time (milliseconds) of too much voltage
tasks or 'Threads'
Cathode Ray Tube

32. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Software
B-9 serial
charged coupled device (CCD)
DB-25

33. What does RIMM stand for?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1600 x 1200
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Firmware

34. Ethernet network
Single Inline Memory Module - has 30 or 72 contacts on only one side.
BIOS
Coaxial
RJ-45

35. An area of memory that holds recently-accessed data.
3
9
2048 x 1536
Cache

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

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37. How many pins is a SODIMM DDR2 DIMM?
200
detects and fixes corrupt data in RAM.
Cathode Ray Tube
CMOS

38. Level one cache is located on ___________.
the CPU
144
CMOS
BIOS

39. Before sending a power supply to the recycling facility...
ECC
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.
Small Outline DIMM

40. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
ECC
the CPU
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.

41. CPUs: What is RISC?
the motherboard
DB-25
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
5.25

42. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
9-pin serial
1600 x 1200
BIOS

43. External modems most commonly connect to this port.
Joystick
Serial
BIOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

44. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Line Grid Array
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
40 or 80

45. ZIF stands for ______.
CMOS
7 or 15 (powered)
CMOS
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.

46. What is VRAM used for?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
PCIe - PCI - AGP - ESIA - and ISA
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Componentization

47. How many pins is a DDR2 DIMM?
Joystick
PCIe - PCI - AGP - ESIA - and ISA
Pin Grid Array
240

48. 10Base-5 Ethernet and game ports use this cable
DB-15
RJ-45
1600 x 1200
Error Correction Code.

49. Printers
Pin Grid Array
DB-25 parallel
the motherboard
CMOS

50. Surge
DB-25
Very brief time (milliseconds) of too little voltage
Too much voltage
the CPU