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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. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Front Side Bus.
USB Type A
Software
Firewire 6-pin

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

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3. An example of firmware.
5.25
Pin Grid Array
Input
BIOS

4. How many pins is a MICRODIMM DIMM?
Componentization
RJ-45
144
184

5. What does SODIMM stand for?
Network communications
Small Outline DIMM
3
CMOS

6. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Volatile
Input
Firmware

7. Before sending a power supply to the recycling facility...
184
Software
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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

8. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
1024 x 786
Storage
PCIe - PCI - AGP - ESIA - and ISA
Single Inline Memory Module - has 30 or 72 contacts on only one side.

9. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Processing
4

10. What does RIMM stand for?
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
40 or 80
Small Outline DIMM

11. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
Very brief time (milliseconds) of too little voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Serial

12. 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.
verifying data integrity.
Very Brief time (milliseconds) of too much voltage
200
ECC

13. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Processing
Cache

14. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
ECC
USB Type A
Speaker
RJ-45

15. 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.
Cache
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Componentization
Firmware

16. Number of Pins for Drives: 3. SATA
tasks or 'Threads'
1024 x 786
PS/2-style mouse
7 or 15 (powered)

17. ZIF stands for ______.
detects and fixes corrupt data in RAM.
50 - 68 - or 80
PCIe - PCI - AGP - ESIA - and ISA
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.

18. PGA stands for
Too much voltage
Pin Grid Array
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Complex -Instruction - Set - Chips - Used in General Purpose PCs

19. CPUs: What is RISC?
TRS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

20. What does LCD stand for?
Liquid Crystal Display
9
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-15

21. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
DB-15
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
removable chips on the motherboard
Storage

22. What is the formal name of the 'headphone jack'?
detects and fixes corrupt data in RAM.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Line Grid Array
DB-15

23. level three cache is located on _________.
7 or 15 (powered)
1024 x 786
removable chips on the motherboard
Coaxial

24. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
order Boot sequence - Integrated devices - drive controllers - power supply settings
4
Radial Lines
BIOS

25. What is a Brownout?
Joystick
Too little voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Very Brief time (milliseconds) of too much voltage

26. SDRAM sands for _______.
order Boot sequence - Integrated devices - drive controllers - power supply settings
50 - 68 - or 80
800 x 600
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

27. 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.
Joystick
BIOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

28. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
the motherboard
40 or 80
ATX - BTX - Micro ATX - ITX - NLX - and LPX

29. Level two cache is located on _______.
tasks or 'Threads'
Software
184
the motherboard

30. What does SIMM stand 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.
tasks or 'Threads'
3

31. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
Input
184
3

32. How many pins is a SODIMM DDR2 DIMM?
200
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
USB Type A
Cache

33. What is a Sag?
Very brief time (milliseconds) of too little voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
charged coupled device (CCD)
9-pin serial

34. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Redundant Array of Independant (Inexpensive) Disks.
Input
Network communications

35. Printers
9-pin serial
removable chips on the motherboard
RJ-11
DB-25 parallel

36. CPUS: What is CISC?
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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Too little voltage
2048 x 1536

37. LGA stands for ______.
Error Correction Code.
TRS
Liquid Crystal Display
Line Grid Array

38. 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
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
verifying data integrity.
2048 x 1536

39. The actual speed of the CPU is governed by a _______ setting called the clock rate.
240
1600 x 1200
CMOS
BIOS

40. RAID stands for _________.
50 - 68 - or 80
DB-25 parallel
Redundant Array of Independant (Inexpensive) Disks.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

41. What is VRAM used for?
Processing
Complex -Instruction - Set - Chips - Used in General Purpose PCs
5.25
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

42. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Standardization
charged coupled device (CCD)
200
800 x 600

43. Level one cache is located on ___________.
1600 x 1200
the CPU
removable chips on the motherboard
Input

44. 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
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Very brief time (milliseconds) of too little voltage
B-9 serial

45. External modems most commonly connect to this port.
the motherboard
34
Serial
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

46. QXGA is ____x____
50 - 68 - or 80
PCIe - PCI - AGP - ESIA - and ISA
2048 x 1536
order Boot sequence - Integrated devices - drive controllers - power supply settings

47. Number of Pins for Drives: 4. FDD
34
50 - 68 - or 80
Power failure
Single Inline Memory Module - has 30 or 72 contacts on only one side.

48. What are the two types of RAM?
Too little voltage
verifying data integrity.
Small Outline DIMM
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

49. Serial mouse or external modem
B-9 serial
Hardware
Cache
Cathode Ray Tube

50. RAID 5 has at least ___ hard drives.
3
200
verifying data integrity.
40 or 80