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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 are the 6 form factors of motherboards?
Power failure
ATX - BTX - Micro ATX - ITX - NLX - and LPX
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Storage

2. How many pins is a DDR3 DIMM?
BIOS
DB-15
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

3. 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.
Cache
Componentization
CMOS
3

4. 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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-25
7 or 15 (powered)

5. Level two cache is located on _______.
the motherboard
removable chips on the motherboard
Liquid Crystal Display
Serial

6. Spike
Very Brief time (milliseconds) of too much voltage
DB-25
Network communications
Coaxial

7. What is the formal name of the 'headphone jack'?
tasks or 'Threads'
7 or 15 (powered)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Line Grid Array

8. What are the 4 main types of storage?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
800 x 600
34
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

9. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
9
4
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.

10. UXGA is _____x_____
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.
1600 x 1200
the motherboard
Processing

11. What do the type types of Hard Drive acronyms stand for?
VGA/SVGA monitor
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Input
BIOS

12. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
RJ-11
Error Correction Code.
Cache

13. 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
Random Access Memory (RAM)
Software
144

14. Internal modem or telephone
Software
200
Front Side Bus.
RJ-11

15. Level one cache is located on ___________.
Too much voltage
Firewire 6-pin
Volatile
the CPU

16. What are the two types of RAM?
Cathode Ray Tube
50 - 68 - or 80
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

17. What is a Blackout?
240
Very brief time (milliseconds) of too little voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Power failure

18. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
Componentization
Very brief time (milliseconds) of too little voltage
detects and fixes corrupt data in RAM.

19. 10Base-2 Ethernet uses this cable.
ECC
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Coaxial
Line Grid Array

20. RAID 5 has at least ___ hard drives.
Componentization
DB-15
50 - 68 - or 80
3

21. Ethernet network
Pin Grid Array
4
RJ-45
7 or 15 (powered)

22. What does ECC stand for?
Error Correction Code.
Firewire 6-pin
charged coupled device (CCD)
Too little voltage

23. What does LCD stand for?
800 x 600
Standardization
Liquid Crystal Display
34

24. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Processing
tasks or 'Threads'
Line Grid Array

25. How many pins is a SODIMM DDR DIMM?
Liquid Crystal Display
144
DB-25 parallel
240

26. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
RJ-11
Hardware
the motherboard

27. CPUs: What is RISC?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Cathode Ray Tube
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Processing

28. 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.
RJ-45
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Joystick
Networking and Communications

29. The BIOS is stored on the _______ chip that is on the motherboard.
Very brief time (milliseconds) of too little voltage
the CPU
Storage
CMOS

30. QXGA is ____x____
CMOS
2048 x 1536
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Radial Lines

31. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
verifying data integrity.
Cathode Ray Tube
Line Grid Array

32. XGA is ____x_____
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1024 x 786
removable chips on the motherboard
1600 x 1200

33. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Pin Grid Array
charged coupled device (CCD)
Firmware
1600 x 1200

34. 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.
184
ECC
verifying data integrity.
the motherboard

35. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
CMOS
Firmware
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-15

36. What is a Brownout?
240
Too little voltage
Coaxial
2048 x 1536

37. How many pins is a MICRODIMM DIMM?
144
TRS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
4

38. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Coaxial
50 - 68 - or 80
Radial Lines

39. 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)
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Radial Lines
Software
Too much voltage

40. What does CRT stand for?
1024 x 786
Cathode Ray Tube
Joystick
Standardization

41. Number of Pins for Drives: 2. SCSI
removable chips on the motherboard
DB-15
50 - 68 - or 80
Storage

42. How many pins is a SODIMM DDR2 DIMM?
PS/2-style mouse
50 - 68 - or 80
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.
200

43. SDRAM sands for _______.
9
RJ-11
Componentization
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

44. A type of memory that loses data when the power is no longer supplied to the component.
34
200
Volatile
DB-25

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

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46. What does SIMM stand for?
Volatile
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
Redundant Array of Independant (Inexpensive) Disks.

47. An example of firmware.
the CPU
PCIe - PCI - AGP - ESIA - and ISA
BIOS
Too much voltage

48. A temporary data storage location that can be read from and written to.
DB-15
the motherboard
Random Access Memory (RAM)
DB-25 parallel

49. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
240
Radial Lines
Input

50. What does RIMM stand for?
Random Access Memory (RAM)
Software
the motherboard
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot