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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. 10Base-5 Ethernet and game ports use this cable
Coaxial
DB-15
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
removable chips on the motherboard

2. LGA stands for ______.
Line Grid Array
800 x 600
Componentization
Coaxial

3. What is a Brownout?
5.25
Too little voltage
BIOS
Output

4. 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
DB-25 parallel
Complex -Instruction - Set - Chips - Used in General Purpose PCs
verifying data integrity.

5. An example of a device that uses a 6-pin Mini-DIN connector.
USB Type A
CMOS
CMOS
PS/2-style mouse

6. How many pins is a MICRODIMM DIMM?
144
Standardization
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Serial

7. Number of Pins for Drives: 3. SATA
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Very brief time (milliseconds) of too little voltage
800 x 600
7 or 15 (powered)

8. What does CRT stand for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Cathode Ray Tube
order Boot sequence - Integrated devices - drive controllers - power supply settings
Single Inline Memory Module - has 30 or 72 contacts on only one side.

9. How many pins is a SODIMM DDR2 DIMM?
34
200
removable chips on the motherboard
3

10. What does SODIMM stand for?
RJ-45
Small Outline DIMM
Software
DB-25 parallel

11. 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)
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
3
Volatile
Software

12. What are the two types of RAM?
Very brief time (milliseconds) of too little voltage
Network communications
2048 x 1536
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

13. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Front Side Bus.
Small Outline DIMM
PCIe - PCI - AGP - ESIA - and ISA
charged coupled device (CCD)

14. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Joystick
Output
Coaxial
Processing

15. The BIOS is stored on the _______ chip that is on the motherboard.
Network communications
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Front Side Bus.
CMOS

16. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
Radial Lines
PCIe - PCI - AGP - ESIA - and ISA
Cathode Ray Tube

17. BIOS allows you to do 4 things - what are they?
Network communications
order Boot sequence - Integrated devices - drive controllers - power supply settings
Error Correction Code.
Componentization

18. Serial mouse or external modem
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-15
B-9 serial
2048 x 1536

19. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Too little voltage
Output
Joystick
Volatile

20. 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
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Radial Lines
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

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

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22. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
144
ECC
Single Inline Memory Module - has 30 or 72 contacts on only one side.

23. UXGA is _____x_____
BIOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1600 x 1200
5.25

24. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Input
Random Access Memory (RAM)
PCIe - PCI - AGP - ESIA - and ISA
TRS

25. 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.
detects and fixes corrupt data in RAM.
DB-15
240
Pin Grid Array

26. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
1024 x 786
34
Power failure

27. Printers
RJ-45
DB-15
5.25
DB-25 parallel

28. An area of memory that holds recently-accessed data.
Cache
Radial Lines
order Boot sequence - Integrated devices - drive controllers - power supply settings
BIOS

29. An example of firmware.
9-pin serial
BIOS
Serial
Very Brief time (milliseconds) of too much voltage

30. ZIF stands for ______.
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.
BIOS
verifying data integrity.
RJ-11

31. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Volatile
4
order Boot sequence - Integrated devices - drive controllers - power supply settings
1600 x 1200

32. What is a Blackout?
Power failure
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
800 x 600
the CPU

33. A type of memory that loses data when the power is no longer supplied to the component.
7 or 15 (powered)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Volatile
Coaxial

34. What is VRAM used for?
Liquid Crystal Display
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Random Access Memory (RAM)
Input

35. An example of a device that uses a high-density (three-row) DB-15 connector.
Liquid Crystal Display
184
VGA/SVGA monitor
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

36. What does RIMM stand for?
CMOS
9-pin serial
Cache
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

37. RAID 5 has at least ___ hard drives.
50 - 68 - or 80
3
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.
Error Correction Code.

38. Number of Pins for Drives: 2. SCSI
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Small Outline DIMM
50 - 68 - or 80
ECC

39. Serial ports have this many pins.
9
240
DB-25
7 or 15 (powered)

40. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
charged coupled device (CCD)
144
5.25
Serial

41. What are the 4 main types of storage?
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
ECC
Volatile

42. SCSI code is set by a 4 things - what are they?
5.25
BIOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
ECC

43. Ethernet network
Random Access Memory (RAM)
order Boot sequence - Integrated devices - drive controllers - power supply settings
240
RJ-45

44. Surge
Too much voltage
Too little voltage
VGA/SVGA monitor
4

45. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
Power failure
Random Access Memory (RAM)
Single Inline Memory Module - has 30 or 72 contacts on only one side.

46. A serial mouse connects to a computer with this connector.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
9-pin serial
Cache

47. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
order Boot sequence - Integrated devices - drive controllers - power supply settings
Very brief time (milliseconds) of too little voltage
Power failure

48. XGA is ____x_____
1024 x 786
Cache
Firewire 6-pin
Coaxial

49. An example of a device that uses a TRS connector.
Speaker
Standardization
DB-15
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

50. RAID stands for _________.
1600 x 1200
Liquid Crystal Display
240
Redundant Array of Independant (Inexpensive) Disks.

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Comptia A +: Hardware

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