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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. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
2048 x 1536
RJ-45
B-9 serial
TRS

2. External modems most commonly connect to this port.
detects and fixes corrupt data in RAM.
Serial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Too little voltage

3. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
the motherboard
Storage
the CPU
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

4. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
verifying data integrity.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
ECC

5. Parity is used in some _____________ - hard drives - and RAM.
Componentization
Speaker
3
Network communications

6. A type of memory that loses data when the power is no longer supplied to the component.
Input
Volatile
PS/2-style mouse
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

7. What does RIMM stand for?
Coaxial
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
800 x 600
tasks or 'Threads'

8. How many pins is a DDR DIMM?
184
Cache
Firmware
9

9. 10Base-5 Ethernet and game ports use this cable
50 - 68 - or 80
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.
DB-15

10. An example of a device that uses a TRS connector.
Network communications
Speaker
40 or 80
Output

11. QXGA is ____x____
2048 x 1536
B-9 serial
Front Side Bus.
DB-15

12. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
CMOS
DB-15
50 - 68 - or 80
Firewire 6-pin

13. What does CRT stand for?
Cathode Ray Tube
Power failure
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.
3

14. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
RJ-11
Very brief time (milliseconds) of too little voltage
Output

15. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Storage
ATX - BTX - Micro ATX - ITX - NLX - and LPX
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

16. An example of firmware.
800 x 600
BIOS
Error Correction Code.
tasks or 'Threads'

17. What does ECC stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Network communications
Error Correction Code.
CMOS

18. Number of Pins for Drives: 2. SCSI
Front Side Bus.
34
50 - 68 - or 80
tasks or 'Threads'

19. ZIF stands for ______.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.
Volatile
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

20. CPUs: What is RISC?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Processing
ECC

21. Number of Pins for Drives: 3. SATA
the CPU
BIOS
200
7 or 15 (powered)

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

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23. What are the 4 main types of storage?
Serial
2048 x 1536
9-pin serial
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

24. An area of memory that holds recently-accessed data.
Serial
Cache
RJ-11
Line Grid Array

25. Before sending a power supply to the recycling facility...
Error Correction Code.
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.
detects and fixes corrupt data in RAM.
removable chips on the motherboard

26. What does LCD stand for?
Liquid Crystal Display
144
BIOS
Input

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)
800 x 600
Software
5.25
RJ-11

28. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
the CPU
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
TRS

29. CPUS: What is CISC?
tasks or 'Threads'
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS
Storage

30. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Cathode Ray Tube
Power failure
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
5.25

31. Internal modem or telephone
Random Access Memory (RAM)
removable chips on the motherboard
Firewire 6-pin
RJ-11

32. 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.
Power failure
Storage
verifying data integrity.
Too much voltage

33. How many pins is a DDR2 DIMM?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
240
VGA/SVGA monitor
5.25

34. A serial mouse connects to a computer with this connector.
Joystick
Firmware
9-pin serial
PS/2-style mouse

35. Spike
Power failure
PCIe - PCI - AGP - ESIA - and ISA
1600 x 1200
Very Brief time (milliseconds) of too much voltage

36. BIOS allows you to do 4 things - what are they?
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.
CMOS
240
order Boot sequence - Integrated devices - drive controllers - power supply settings

37. RAID 5 has at least ___ hard drives.
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.
Joystick
Processing
3

38. Serial mouse or external modem
the CPU
B-9 serial
tasks or 'Threads'
VGA/SVGA monitor

39. Surge
Too much voltage
the motherboard
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.
Firewire 6-pin

40. 10Base-2 Ethernet uses this cable.
Coaxial
tasks or 'Threads'
BIOS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

41. How many pins is a MICRODIMM DIMM?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
50 - 68 - or 80
Volatile
144

42. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
PCIe - PCI - AGP - ESIA - and ISA
RJ-11
Complex -Instruction - Set - Chips - Used in General Purpose PCs

43. What does SODIMM stand for?
Network communications
Small Outline DIMM
Firewire 6-pin
Too much voltage

44. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Error Correction Code.
Too much voltage
Line Grid Array

45. What is a Blackout?
Power failure
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS
Storage

46. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
240
Very brief time (milliseconds) of too little voltage
CMOS
4

47. What is Virtual RAM?
Componentization
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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
2048 x 1536

48. 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.
Cathode Ray Tube
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
144
Componentization

49. How many pins is a DDR3 DIMM?
Serial
Pin Grid Array
240
B-9 serial

50. Number of Pins for Drives: 4. FDD
34
Error Correction Code.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

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Comptia A +: Hardware

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