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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. Number of Pins for Drives: 2. SCSI
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
50 - 68 - or 80
Error Correction Code.
DB-15

2. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Very brief time (milliseconds) of too little voltage
Standardization
Firewire 6-pin
Too little voltage

3. What do the type types of Hard Drive acronyms stand for?
DB-25 parallel
DB-25
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
7 or 15 (powered)

4. PGA stands for
CMOS
Pin Grid Array
Network communications
Radial Lines

5. 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)
DB-25
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
CMOS
Software

6. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
tasks or 'Threads'
CMOS
Output
DB-15

7. An example of firmware.
BIOS
Cathode Ray Tube
CMOS
VGA/SVGA monitor

8. 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.
1600 x 1200
B-9 serial
Networking and Communications
Single Inline Memory Module - has 30 or 72 contacts on only one side.

9. What does SIMM stand for?
verifying data integrity.
Hardware
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Pin Grid Array

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

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11. An area of memory that holds recently-accessed data.
Error Correction Code.
Cache
ECC
Input

12. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Input
Output
Speaker
Liquid Crystal Display

13. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
50 - 68 - or 80
4
Power failure

14. What are the 6 form factors of motherboards?
Hardware
3
34
ATX - BTX - Micro ATX - ITX - NLX - and LPX

15. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Serial
Processing
3

16. An example of a device that uses a TRS connector.
Serial
removable chips on the motherboard
Speaker
Small Outline DIMM

17. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
9
USB Type A
Very Brief time (milliseconds) of too much voltage

18. What is a Sag?
Very brief time (milliseconds) of too little voltage
800 x 600
1024 x 786
USB Type A

19. What is a Blackout?
Power failure
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
order Boot sequence - Integrated devices - drive controllers - power supply settings
50 - 68 - or 80

20. 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.
Componentization
Redundant Array of Independant (Inexpensive) Disks.
Firewire 6-pin
240

21. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
184
verifying data integrity.
Firmware

22. Surge
Coaxial
Too much voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS

23. level three cache is located on _________.
DB-15
detects and fixes corrupt data in RAM.
removable chips on the motherboard
Redundant Array of Independant (Inexpensive) Disks.

24. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
240
ECC
4
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

25. What does SODIMM stand for?
Random Access Memory (RAM)
Volatile
Small Outline DIMM
CMOS

26. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
B-9 serial
40 or 80
Radial Lines
3

27. How many pins is a DDR2 DIMM?
240
Hardware
4
2048 x 1536

28. Printers
DB-15
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.
Small Outline DIMM
DB-25 parallel

29. Level two cache is located on _______.
Random Access Memory (RAM)
the motherboard
Serial
verifying data integrity.

30. How many pins is a DDR3 DIMM?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
the motherboard
Coaxial
240

31. 10Base-2 Ethernet uses this cable.
Output
Coaxial
detects and fixes corrupt data in RAM.
PS/2-style mouse

32. A serial mouse connects to a computer with this connector.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
9-pin serial
200
Hardware

33. A type of memory that loses data when the power is no longer supplied to the component.
Error Correction Code.
144
DB-15
Volatile

34. What does CRT stand for?
Radial Lines
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Cathode Ray Tube
DB-15

35. CPUS: What is CISC?
Coaxial
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-25 parallel
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.

36. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
144
Joystick
charged coupled device (CCD)
50 - 68 - or 80

37. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
BIOS
Input
BIOS
Error Correction Code.

38. An example of a device that uses a low-density (two-row) male DB-15 connector.
the CPU
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
Firmware

39. External modems most commonly connect to this port.
Processing
Very brief time (milliseconds) of too little voltage
BIOS
Serial

40. BIOS allows you to do 4 things - what are they?
3
5.25
Speaker
order Boot sequence - Integrated devices - drive controllers - power supply settings

41. Ethernet network
RJ-45
TRS
800 x 600
ATX - BTX - Micro ATX - ITX - NLX - and LPX

42. How many pins is a DDR DIMM?
Pin Grid Array
DB-15
Liquid Crystal Display
184

43. CPUs: What is RISC?
Cathode Ray Tube
TRS
USB Type A
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

44. Spike
Firmware
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Very Brief time (milliseconds) of too much voltage
TRS

45. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Liquid Crystal Display
TRS
Software
9

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

47. What does LCD stand for?
BIOS
Liquid Crystal Display
Very brief time (milliseconds) of too little voltage
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.

48. QXGA is ____x____
Pin Grid Array
2048 x 1536
34
Very Brief time (milliseconds) of too much voltage

49. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
the CPU
Firewire 6-pin
CMOS

50. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
B-9 serial
order Boot sequence - Integrated devices - drive controllers - power supply settings
Too much voltage
CMOS