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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. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
9-pin serial
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.
7 or 15 (powered)

2. An example of a device that uses a high-density (three-row) DB-15 connector.
DB-25
50 - 68 - or 80
VGA/SVGA monitor
Cathode Ray Tube

3. External modems most commonly connect to this port.
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.
Serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
PCIe - PCI - AGP - ESIA - and ISA

4. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Liquid Crystal Display
Input
2048 x 1536
Front Side Bus.

5. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Serial
USB Type A
Power failure
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

6. What are the two types of RAM?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Random Access Memory (RAM)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
verifying data integrity.

7. An example of a device that uses a low-density (two-row) male DB-15 connector.
DB-15
Standardization
tasks or 'Threads'
Joystick

8. How many pins is a DDR DIMM?
PCIe - PCI - AGP - ESIA - and ISA
Componentization
184
RJ-45

9. UXGA is _____x_____
order Boot sequence - Integrated devices - drive controllers - power supply settings
1600 x 1200
Input
verifying data integrity.

10. Parity is used in some _____________ - hard drives - and RAM.
Componentization
VGA/SVGA monitor
Serial
Network communications

11. 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-15
Liquid Crystal Display
VGA/SVGA monitor
Software

12. Internal modem or telephone
RJ-11
Cathode Ray Tube
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Firmware

13. Parallel devices connect to this connector.
Line Grid Array
CMOS
ECC
DB-25

14. How many pins is a MICRODIMM DIMM?
184
Liquid Crystal Display
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
144

15. Spike
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Cache
Very Brief time (milliseconds) of too much voltage
detects and fixes corrupt data in RAM.

16. QXGA is ____x____
Error Correction Code.
2048 x 1536
B-9 serial
verifying data integrity.

17. What does RIMM stand for?
Too much voltage
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

18. LGA stands for ______.
Pin Grid Array
184
Joystick
Line Grid Array

19. What does SIMM stand for?
800 x 600
Small Outline DIMM
Single Inline Memory Module - has 30 or 72 contacts on only one side.
3

20. What are the 6 form factors of motherboards?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Very Brief time (milliseconds) of too much voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.

21. An example of firmware.
BIOS
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
DB-25

22. Surge
B-9 serial
Too much voltage
charged coupled device (CCD)
Software

23. What does ECC do?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
detects and fixes corrupt data in RAM.
4
Output

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

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25. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Pin Grid Array
40 or 80
Front Side Bus.
Small Outline DIMM

26. RAID 5 has at least ___ hard drives.
CMOS
3
the CPU
detects and fixes corrupt data in RAM.

27. Level two cache is located on _______.
RJ-45
the motherboard
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
200

28. Level one cache is located on ___________.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Radial Lines
the CPU
240

29. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
RJ-11
PS/2-style mouse
detects and fixes corrupt data in RAM.
charged coupled device (CCD)

30. How many pins is a DDR2 DIMM?
4
240
Very brief time (milliseconds) of too little voltage
Very Brief time (milliseconds) of too much voltage

31. A type of memory that loses data when the power is no longer supplied to the component.
BIOS
Joystick
Software
Volatile

32. Number of Pins for Drives: 2. SCSI
Input
50 - 68 - or 80
ATX - BTX - Micro ATX - ITX - NLX - and LPX
7 or 15 (powered)

33. A serial mouse connects to a computer with this connector.
9-pin serial
verifying data integrity.
50 - 68 - or 80
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

34. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
TRS
5.25
Cathode Ray Tube
Firmware

35. What do the type types of Hard Drive acronyms stand for?
7 or 15 (powered)
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Firewire 6-pin
Storage

36. XGA is ____x_____
CMOS
Componentization
PCIe - PCI - AGP - ESIA - and ISA
1024 x 786

37. What does CRT stand for?
PCIe - PCI - AGP - ESIA - and ISA
Cathode Ray Tube
Coaxial
Radial Lines

38. How many pins is a SODIMM DDR DIMM?
50 - 68 - or 80
Output
144
Pin Grid Array

39. CPUs: What is RISC?
DB-25
CMOS
Processing
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

40. An example of a device that uses a TRS connector.
PS/2-style mouse
Network communications
Speaker
1024 x 786

41. Ethernet network
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.
RJ-45
9-pin serial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

42. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Too much voltage
CMOS
Very brief time (milliseconds) of too little voltage
Radial Lines

43. level three cache is located on _________.
1024 x 786
removable chips on the motherboard
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Small Outline DIMM

44. How many pins is a DDR3 DIMM?
240
DB-25
Processing
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

45. What does ECC stand for?
Error Correction Code.
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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

46. What is VRAM used for?
DB-25
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Network communications
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.

47. What does SODIMM stand for?
Very Brief time (milliseconds) of too much voltage
Small Outline DIMM
Pin Grid Array
9-pin serial

48. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
ECC
Hardware
Output
BIOS

49. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
BIOS
5.25
Output

50. What are the 4 main types of storage?
detects and fixes corrupt data in RAM.
34
Too little voltage
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash