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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. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
the CPU
Output
DB-25 parallel
Input

2. What does SODIMM stand for?
verifying data integrity.
7 or 15 (powered)
Small Outline DIMM
ATX - BTX - Micro ATX - ITX - NLX - and LPX

3. PGA stands for
B-9 serial
TRS
144
Pin Grid Array

4. What is VRAM used for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Joystick
tasks or 'Threads'
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

5. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
50 - 68 - or 80
Serial
Firmware

6. What does CRT stand for?
Cathode Ray Tube
detects and fixes corrupt data in RAM.
Software
34

7. How many pins is a MICRODIMM DIMM?
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.
Too little voltage
tasks or 'Threads'
144

8. 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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
800 x 600
Standardization
the CPU

9. What do the type types of Hard Drive acronyms stand for?
5.25
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
verifying data integrity.
VGA/SVGA monitor

10. What does SIMM stand for?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Software
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Complex -Instruction - Set - Chips - Used in General Purpose PCs

11. Parity is used in some _____________ - hard drives - and RAM.
Small Outline DIMM
Volatile
Processing
Network communications

12. ZIF stands for ______.
charged coupled device (CCD)
50 - 68 - or 80
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.
Cache

13. 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.
charged coupled device (CCD)
verifying data integrity.
Hardware
DB-25 parallel

14. What are the 4 main types of storage?
2048 x 1536
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
TRS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

15. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Cache
BIOS
ECC
the CPU

16. What does ECC stand for?
Hardware
TRS
Error Correction Code.
9

17. A serial mouse connects to a computer with this connector.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
40 or 80
Firewire 6-pin
9-pin serial

18. XGA is ____x_____
4
CMOS
1024 x 786
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

19. Level two cache is located on _______.
the motherboard
2048 x 1536
tasks or 'Threads'
charged coupled device (CCD)

20. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
800 x 600
ECC
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.
40 or 80

21. Printers
DB-25 parallel
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.
240
240

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

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23. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
1024 x 786
Very brief time (milliseconds) of too little voltage
Network communications

24. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
144
Complex -Instruction - Set - Chips - Used in General Purpose PCs
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

25. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
the CPU
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.
detects and fixes corrupt data in RAM.

26. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
the motherboard
Network communications
DB-15
4

27. Number of Pins for Drives: 4. FDD
Power failure
BIOS
34
9

28. Networking is a specialized form of input and output that entails using media (cable) and devices (routers - switches) to link multiple computers into an interconnected unit.
Joystick
Networking and Communications
9
7 or 15 (powered)

29. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Hardware
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

30. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
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.
Hardware
Storage

31. 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)
Joystick
Software
RJ-45
CMOS

32. How many pins is a SODIMM DDR DIMM?
144
240
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
5.25

33. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Cathode Ray Tube
PCIe - PCI - AGP - ESIA - and ISA
Storage
charged coupled device (CCD)

34. What is the formal name of the 'headphone jack'?
B-9 serial
Coaxial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

35. How many pins is a DDR DIMM?
184
9
Hardware
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

36. RAID 5 has at least ___ hard drives.
Too much voltage
3
Cathode Ray Tube
Pin Grid Array

37. The BIOS is stored on the _______ chip that is on the motherboard.
Storage
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS
Random Access Memory (RAM)

38. How many pins is a SODIMM DDR2 DIMM?
240
B-9 serial
Liquid Crystal Display
200

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

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40. Internal modem or telephone
9-pin serial
the motherboard
RJ-11
Standardization

41. 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.
Redundant Array of Independant (Inexpensive) Disks.
DB-15
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Line Grid Array

42. SCSI code is set by a 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Joystick
Hardware
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

43. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Small Outline DIMM
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

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

45. What is a Sag?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Very brief time (milliseconds) of too little voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

46. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
TRS
charged coupled device (CCD)
USB Type A
5.25

47. An area of memory that holds recently-accessed data.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Cache
50 - 68 - or 80
7 or 15 (powered)

48. What does LCD stand for?
CMOS
240
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Liquid Crystal Display

49. level three cache is located on _________.
RJ-11
4
Storage
removable chips on the motherboard

50. What does ECC do?
144
detects and fixes corrupt data in RAM.
RJ-45
Coaxial