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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
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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. Multiple core allow the PC to simultaneously process multiple ______.

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2. An example of a device that uses a high-density (three-row) DB-15 connector.
3
order Boot sequence - Integrated devices - drive controllers - power supply settings
Complex -Instruction - Set - Chips - Used in General Purpose PCs
VGA/SVGA monitor

3. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
240
Redundant Array of Independant (Inexpensive) Disks.
50 - 68 - or 80

4. Number of Pins for Drives: 3. SATA
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
7 or 15 (powered)
Componentization
PS/2-style mouse

5. How many pins is a DDR3 DIMM?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
removable chips on the motherboard
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
240

6. SCSI code is set by a 4 things - what are they?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Power failure
Standardization
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

7. Spike
charged coupled device (CCD)
Very Brief time (milliseconds) of too much voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
removable chips on the motherboard

8. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Redundant Array of Independant (Inexpensive) Disks.
PS/2-style mouse
Error Correction Code.

9. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Front Side Bus.
PCIe - PCI - AGP - ESIA - and ISA
34

10. Parallel devices connect to this 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.
Cache
DB-25
Software

11. Printers
Too little voltage
DB-25 parallel
9
TRS

12. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DB-25
Cathode Ray Tube

13. Number of Pins for Drives: 2. SCSI
tasks or 'Threads'
50 - 68 - or 80
Random Access Memory (RAM)
Redundant Array of Independant (Inexpensive) Disks.

14. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
CMOS
Serial
Networking and Communications

15. What does ECC stand for?
Error Correction Code.
TRS
3
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

16. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Joystick
Complex -Instruction - Set - Chips - Used in General Purpose PCs
4
Componentization

17. What does ECC do?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
detects and fixes corrupt data in RAM.
BIOS

18. How many pins is a DDR2 DIMM?
240
Front Side Bus.
the motherboard
34

19. XGA is ____x_____
PCIe - PCI - AGP - ESIA - and ISA
1024 x 786
Processing
BIOS

20. Serial mouse or external modem
CMOS
B-9 serial
5.25
Hardware

21. Surge
TRS
Network communications
Output
Too much voltage

22. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Power failure
DB-15
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.

23. Ethernet network
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
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
charged coupled device (CCD)

24. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Pin Grid Array
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
3

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

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26. How many pins is a SODIMM DDR2 DIMM?
200
PS/2-style mouse
BIOS
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.

27. 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 parallel
Cache
Software
ATX - BTX - Micro ATX - ITX - NLX - and LPX

28. Serial ports have this many pins.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Joystick
detects and fixes corrupt data in RAM.
9

29. How many pins is a MICRODIMM DIMM?
1600 x 1200
144
Cathode Ray Tube
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.

30. What are the two types of RAM?
ECC
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Liquid Crystal Display
Complex -Instruction - Set - Chips - Used in General Purpose PCs

31. A type of memory that loses data when the power is no longer supplied to the component.
charged coupled device (CCD)
Volatile
Componentization
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

32. LGA stands for ______.
Networking and Communications
Line Grid Array
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
PS/2-style mouse

33. Level two cache is located on _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
the motherboard
verifying data integrity.

34. QXGA is ____x____
2048 x 1536
RJ-11
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
removable chips on the motherboard

35. RAID 5 has at least ___ hard drives.
Too little voltage
Volatile
order Boot sequence - Integrated devices - drive controllers - power supply settings
3

36. What is a Sag?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RJ-45
Cache
Very brief time (milliseconds) of too little voltage

37. External modems most commonly connect to this port.
the CPU
detects and fixes corrupt data in RAM.
1600 x 1200
Serial

38. 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.
240
Random Access Memory (RAM)
Componentization
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

39. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
Small Outline DIMM
DB-25

40. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
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.
Joystick
ECC

41. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Joystick
PS/2-style mouse
5.25

42. What is a Blackout?
Power failure
detects and fixes corrupt data in RAM.
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.
9-pin serial

43. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
9
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.
Output
Input

44. What does SIMM stand for?
DB-25 parallel
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Very Brief time (milliseconds) of too much voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

45. PGA stands for
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
34
Software
Pin Grid Array

46. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Network communications
50 - 68 - or 80
ECC
Too little voltage

47. The actual speed of the CPU is governed by a _______ setting called the clock rate.
DB-25 parallel
DB-15
BIOS
verifying data integrity.

48. An area of memory that holds recently-accessed data.
144
Cache
DB-15
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

49. What does LCD stand for?
4
Serial
Liquid Crystal Display
144

50. RAID stands for _________.
4
Redundant Array of Independant (Inexpensive) Disks.
verifying data integrity.
184

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Comptia A +: Hardware

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