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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. Number of Pins for Drives: 2. SCSI
7 or 15 (powered)
50 - 68 - or 80
BIOS
DB-15

2. An example of a device that uses a TRS connector.
the motherboard
Network communications
B-9 serial
Speaker

3. SDRAM sands for _______.
240
144
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
34

4. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Joystick
Redundant Array of Independant (Inexpensive) Disks.
1600 x 1200

5. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
CMOS
40 or 80
Error Correction Code.
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.

6. What are the 4 main types of storage?
144
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Input
9-pin serial

7. Surge
Too much voltage
Line Grid Array
240
34

8. What does ECC stand for?
Too little voltage
144
Error Correction Code.
40 or 80

9. Serial mouse or external modem
the motherboard
Cache
B-9 serial
Firewire 6-pin

10. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
PS/2-style mouse
CMOS
144
240

11. Serial ports have this many pins.
Networking and Communications
Componentization
9
the motherboard

12. 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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
tasks or 'Threads'
DB-15

13. External modems most commonly connect to this port.
Serial
USB Type A
Firewire 6-pin
Very Brief time (milliseconds) of too much voltage

14. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
ECC
Software
2048 x 1536

15. Before sending a power supply to the recycling facility...
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.
CMOS
Firewire 6-pin

16. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Cathode Ray Tube
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS
144

17. A temporary data storage location that can be read from and written to.
Cathode Ray Tube
Input
Random Access Memory (RAM)
DB-25

18. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
PCIe - PCI - AGP - ESIA - and ISA
4
BIOS

19. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
240
USB Type A
1024 x 786
verifying data integrity.

20. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Speaker
Storage
240
144

21. A serial mouse connects to a computer with this connector.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
200
9-pin serial

22. An example of firmware.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Network communications
BIOS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

23. The actual speed of the CPU is governed by a _______ setting called the clock rate.
tasks or 'Threads'
BIOS
CMOS
PS/2-style mouse

24. Level one cache is located on ___________.
CMOS
Firewire 6-pin
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
the CPU

25. Printers
DB-25 parallel
BIOS
Small Outline DIMM
7 or 15 (powered)

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

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27. What is a Blackout?
Redundant Array of Independant (Inexpensive) Disks.
2048 x 1536
240
Power failure

28. UXGA is _____x_____
the motherboard
240
34
1600 x 1200

29. How many pins is a MICRODIMM DIMM?
Networking and Communications
144
B-9 serial
Liquid Crystal Display

30. Spike
Serial
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Very Brief time (milliseconds) of too much voltage
1024 x 786

31. What does LCD stand for?
Front Side Bus.
B-9 serial
Standardization
Liquid Crystal Display

32. SVGA is ____ x_____
800 x 600
Hardware
50 - 68 - or 80
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

33. What do the type types of Hard Drive acronyms stand for?
9
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
9-pin serial
Line Grid Array

34. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Liquid Crystal Display
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
PS/2-style mouse

35. A type of memory that loses data when the power is no longer supplied to the component.
Software
USB Type A
Output
Volatile

36. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
DB-15
Speaker
4
USB Type A

37. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
ECC
CMOS

38. 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.
verifying data integrity.
7 or 15 (powered)
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

39. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Pin Grid Array
verifying data integrity.
Small Outline DIMM

40. level three cache is located on _________.
Output
removable chips on the motherboard
VGA/SVGA monitor
9-pin serial

41. Internal modem or telephone
USB Type A
RJ-45
2048 x 1536
RJ-11

42. Level two cache is located on _______.
tasks or 'Threads'
5.25
the motherboard
PS/2-style mouse

43. What does SIMM stand for?
the CPU
Coaxial
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

44. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Output
order Boot sequence - Integrated devices - drive controllers - power supply settings
PCIe - PCI - AGP - ESIA - and ISA
Network communications

45. Parity is used in some _____________ - hard drives - and RAM.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
verifying data integrity.
Network communications
7 or 15 (powered)

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

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47. 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.
VGA/SVGA monitor
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.
Standardization
34

48. Parallel devices connect to this connector.
the motherboard
DB-25
ATX - BTX - Micro ATX - ITX - NLX - and LPX
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

49. 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.
TRS
BIOS
1024 x 786

50. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
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.