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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. PGA stands for
Pin Grid Array
Firewire 6-pin
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
34

2. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
50 - 68 - or 80
BIOS
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.

3. 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.
Liquid Crystal Display
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Componentization
9

4. Number of Pins for Drives: 4. FDD
Front Side Bus.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
34
Liquid Crystal Display

5. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
CMOS
Front Side Bus.
Firmware
tasks or 'Threads'

6. LGA stands for ______.
RJ-45
Radial Lines
2048 x 1536
Line Grid Array

7. Surge
5.25
Processing
Too much voltage
240

8. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
DB-15
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
CMOS
TRS

9. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
5.25
CMOS
Error Correction Code.

10. What is Virtual RAM?
144
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.
200
Power failure

11. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
1600 x 1200
Network communications
detects and fixes corrupt data in RAM.
CMOS

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

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13. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
order Boot sequence - Integrated devices - drive controllers - power supply settings
Network communications
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Output

14. CPUs: What is RISC?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Too much voltage
B-9 serial
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

15. An example of a device that uses a TRS connector.
1600 x 1200
Speaker
9-pin serial
CMOS

16. Before sending a power supply to the recycling facility...
9
Speaker
Liquid Crystal Display
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.

17. RAID stands for _________.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Redundant Array of Independant (Inexpensive) Disks.
CMOS
Too much voltage

18. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Radial Lines
7 or 15 (powered)
Complex -Instruction - Set - Chips - Used in General Purpose PCs

19. 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.
USB Type A
3
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

20. Ethernet network
240
40 or 80
DB-15
RJ-45

21. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
Random Access Memory (RAM)
Software
Network communications

22. What are the two types of RAM?
Liquid Crystal Display
1600 x 1200
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
B-9 serial

23. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
Line Grid Array
removable chips on the motherboard
1024 x 786

24. How many pins is a SODIMM DDR DIMM?
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.
Random Access Memory (RAM)
144
RJ-45

25. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Redundant Array of Independant (Inexpensive) Disks.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Too much voltage

26. What does SODIMM stand for?
9
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Small Outline DIMM
4

27. Number of Pins for Drives: 3. SATA
Networking and Communications
Cache
7 or 15 (powered)
DB-15

28. BIOS allows you to do 4 things - what are they?
USB Type A
tasks or 'Threads'
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
order Boot sequence - Integrated devices - drive controllers - power supply settings

29. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
CMOS
Processing
ECC
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

30. UXGA is _____x_____
50 - 68 - or 80
2048 x 1536
CMOS
1600 x 1200

31. CPUS: What is CISC?
VGA/SVGA monitor
1024 x 786
Complex -Instruction - Set - Chips - Used in General Purpose PCs
3

32. An area of memory that holds recently-accessed data.
Power failure
B-9 serial
Cache
BIOS

33. What is the formal name of the 'headphone jack'?
Input
1600 x 1200
Firewire 6-pin
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

34. How many pins is a SODIMM DDR2 DIMM?
5.25
BIOS
PS/2-style mouse
200

35. Level one cache is located on ___________.
CMOS
800 x 600
the CPU
DB-25

36. XGA is ____x_____
1024 x 786
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
800 x 600
4

37. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Serial
800 x 600
5.25

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

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39. A serial mouse connects to a computer with this connector.
Speaker
Output
tasks or 'Threads'
9-pin serial

40. What does CRT stand for?
Speaker
9-pin serial
Cathode Ray Tube
Too little voltage

41. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
3
40 or 80
Redundant Array of Independant (Inexpensive) Disks.
RJ-45

42. 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.
240
Liquid Crystal Display
the motherboard
Networking and Communications

43. level three cache is located on _________.
Firmware
DB-25
Coaxial
removable chips on the motherboard

44. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Speaker
Hardware
TRS
Power failure

45. External modems most commonly connect to this port.
DB-15
Firmware
2048 x 1536
Serial

46. What are the 4 main types of storage?
DB-25 parallel
144
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Firewire 6-pin

47. 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.
CMOS
DB-15
RJ-11
Redundant Array of Independant (Inexpensive) Disks.

48. QXGA is ____x____
ATX - BTX - Micro ATX - ITX - NLX - and LPX
2048 x 1536
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.
Very brief time (milliseconds) of too little voltage

49. How many pins is a MICRODIMM DIMM?
Hardware
Serial
Cache
144

50. What are the 6 form factors of motherboards?
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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
2048 x 1536
ATX - BTX - Micro ATX - ITX - NLX - and LPX