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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. A serial mouse connects to a computer with 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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
9-pin serial
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.

2. RAID 5 has at least ___ hard drives.
DB-15
order Boot sequence - Integrated devices - drive controllers - power supply settings
BIOS
3

3. Level one cache is located on ___________.
the CPU
order Boot sequence - Integrated devices - drive controllers - power supply settings
Software
34

4. Internal modem or telephone
tasks or 'Threads'
CMOS
Cathode Ray Tube
RJ-11

5. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Radial Lines
Joystick
Output
the CPU

6. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
Firewire 6-pin
Too little voltage
Front Side Bus.

7. What does CRT stand for?
Power failure
Processing
Serial
Cathode Ray Tube

8. What are the 4 main types of storage?
Line Grid Array
DB-25 parallel
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

9. External modems most commonly connect to this port.
Firewire 6-pin
1600 x 1200
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Serial

10. How many pins is a SODIMM DDR DIMM?
RJ-45
144
800 x 600
BIOS

11. 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.
9-pin serial
1600 x 1200
Software

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

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

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14. What does ECC do?
144
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
detects and fixes corrupt data in RAM.
Firmware

15. QXGA is ____x____
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
2048 x 1536
CMOS

16. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Cathode Ray Tube
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Output
ECC

17. What does RIMM stand for?
Cache
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Cathode Ray Tube
Radial Lines

18. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
detects and fixes corrupt data in RAM.
TRS
3

19. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
DB-15
Pin Grid Array
5.25
40 or 80

20. 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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Small Outline DIMM
verifying data integrity.
Power failure

21. What does SIMM stand for?
Too much voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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

22. CPUS: What is CISC?
CMOS
2048 x 1536
Software
Complex -Instruction - Set - Chips - Used in General Purpose PCs

23. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Networking and Communications
PS/2-style mouse
VGA/SVGA monitor
40 or 80

24. ZIF stands for ______.
9
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.
144
800 x 600

25. level three cache is located on _________.
removable chips on the motherboard
144
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Output

26. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Small Outline DIMM
CMOS
PCIe - PCI - AGP - ESIA - and ISA
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. SVGA is ____ x_____
Line Grid Array
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
240
800 x 600

28. An area of memory that holds recently-accessed data.
Cache
DB-15
184
VGA/SVGA monitor

29. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
7 or 15 (powered)
1600 x 1200
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

30. Serial mouse or external modem
B-9 serial
184
the CPU
PS/2-style mouse

31. 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.
DB-15
DB-25 parallel
Network communications
Input

32. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
1024 x 786
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
RJ-11

33. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
the motherboard
Processing
detects and fixes corrupt data in RAM.
Firmware

34. Parallel devices connect to this connector.
Liquid Crystal Display
9
PS/2-style mouse
DB-25

35. 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)
Software
Too little voltage
Volatile
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

36. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Processing
5.25
TRS
VGA/SVGA monitor

37. An example of firmware.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
2048 x 1536
BIOS
Error Correction Code.

38. RAID stands for _________.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Power failure
Redundant Array of Independant (Inexpensive) Disks.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

39. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
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.
PS/2-style mouse
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

40. Level two cache is located on _______.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
the motherboard
Networking and Communications
40 or 80

41. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
Serial
Firewire 6-pin
2048 x 1536

42. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
800 x 600
BIOS
CMOS
Firewire 6-pin

43. Printers
9
Power failure
DB-25 parallel
ECC

44. What does ECC stand for?
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.
Software
Network communications
Error Correction Code.

45. The actual speed of the CPU is governed by a _______ setting called the clock rate.
5.25
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
1024 x 786
BIOS

46. PGA stands for
removable chips on the motherboard
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Pin Grid Array
Componentization

47. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
200
144
RJ-45

48. What is the formal name of the 'headphone jack'?
Software
CMOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
BIOS

49. UXGA is _____x_____
Very brief time (milliseconds) of too little voltage
1600 x 1200
240
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.

50. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Speaker
Radial Lines
Hardware
Power failure

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Comptia A +: Hardware

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