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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. RAID stands for _________.
Networking and Communications
Cathode Ray Tube
Componentization
Redundant Array of Independant (Inexpensive) Disks.

2. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
240
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
order Boot sequence - Integrated devices - drive controllers - power supply settings
Firewire 6-pin

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

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4. A type of memory that loses data when the power is no longer supplied to the component.
9
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Volatile
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

5. Number of Pins for Drives: 2. SCSI
Line Grid Array
184
50 - 68 - or 80
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

6. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Hardware
detects and fixes corrupt data in RAM.
Output
240

7. What is a Sag?
Networking and Communications
Very brief time (milliseconds) of too little voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
PCIe - PCI - AGP - ESIA - and ISA

8. An example of a device that uses a TRS connector.
Cathode Ray Tube
3
TRS
Speaker

9. Spike
Very Brief time (milliseconds) of too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-15
DB-15

10. What are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Standardization
Cathode Ray Tube
RJ-45

11. What are the 6 form factors of motherboards?
3
ATX - BTX - Micro ATX - ITX - NLX - and LPX
240
2048 x 1536

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.
184
VGA/SVGA monitor
Coaxial
DB-15

13. An area of memory that holds recently-accessed data.
144
USB Type A
Radial Lines
Cache

14. How many pins is a SODIMM DDR2 DIMM?
Software
200
Serial
DB-15

15. What does LCD stand for?
240
7 or 15 (powered)
Too much voltage
Liquid Crystal Display

16. SVGA is ____ x_____
B-9 serial
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
800 x 600
Error Correction Code.

17. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
charged coupled device (CCD)
Coaxial
Random Access Memory (RAM)
144

18. What does RIMM stand for?
charged coupled device (CCD)
verifying data integrity.
Liquid Crystal Display
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

19. What does SODIMM stand for?
3
Small Outline DIMM
Radial Lines
Output

20. Level two cache is located on _______.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
ECC
800 x 600
the motherboard

21. What does ECC do?
detects and fixes corrupt data in RAM.
BIOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
4

22. A temporary data storage location that can be read from and written to.
removable chips on the motherboard
Random Access Memory (RAM)
Very brief time (milliseconds) of too little voltage
9-pin serial

23. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
detects and fixes corrupt data in RAM.
Coaxial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

24. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
BIOS
3
DB-15

25. RAID 5 has at least ___ hard drives.
2048 x 1536
Small Outline DIMM
tasks or 'Threads'
3

26. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
DB-25
Very brief time (milliseconds) of too little voltage
144
Front Side Bus.

27. CPUs: What is RISC?
Firmware
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
240
Standardization

28. What is a Blackout?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Power failure
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Pin Grid Array

29. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
184
Standardization
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

30. 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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Processing
Cache
verifying data integrity.

31. Parallel devices connect to this connector.
Network communications
7 or 15 (powered)
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-25

32. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-15
CMOS

33. A serial mouse connects to a computer with this connector.
BIOS
Very Brief time (milliseconds) of too much voltage
removable chips on the motherboard
9-pin serial

34. Level one cache is located on ___________.
144
the CPU
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.
9-pin serial

35. CPUS: What is CISC?
Pin Grid Array
Standardization
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Too much voltage

36. What is VRAM used for?
240
Too much voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
144

37. PGA stands for
Input
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Pin Grid Array
Hardware

38. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
7 or 15 (powered)
Serial
Componentization
Processing

39. Surge
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
the motherboard
Error Correction Code.
Too much voltage

40. How many pins is a DDR DIMM?
9
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-25 parallel
184

41. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
Firmware
184
DB-25

42. 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)
200
Redundant Array of Independant (Inexpensive) Disks.
DB-25 parallel
Software

43. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
240
Firmware
Hardware
Input

44. QXGA is ____x____
Front Side Bus.
2048 x 1536
Network communications
PS/2-style mouse

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

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46. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Small Outline DIMM
Very brief time (milliseconds) of too little voltage
Serial

47. An example of a device that uses a low-density (two-row) male DB-15 connector.
Error Correction Code.
the motherboard
Joystick
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

48. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
CMOS
Radial Lines
4
Small Outline DIMM

49. 10Base-5 Ethernet and game ports use this cable
DB-15
ECC
charged coupled device (CCD)
4

50. What is a Brownout?
Too little voltage
Very Brief time (milliseconds) of too much voltage
1024 x 786
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

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Comptia A +: Hardware

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