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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 act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
Very Brief time (milliseconds) of too much voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

2. How many pins is a DDR DIMM?
detects and fixes corrupt data in RAM.
9-pin serial
Standardization
184

3. Parity is used in some _____________ - hard drives - and RAM.
DB-25
Network communications
Componentization
RJ-45

4. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
BIOS
240
Output

5. What does ECC do?
detects and fixes corrupt data in RAM.
tasks or 'Threads'
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
144

6. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Pin Grid Array
Firewire 6-pin
ATX - BTX - Micro ATX - ITX - NLX - and LPX
2048 x 1536

7. The actual speed of the CPU is governed by a _______ setting called the clock rate.
3
BIOS
Networking and Communications
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.

8. Parallel devices connect to this connector.
DB-25
Small Outline DIMM
Coaxial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

9. Spike
the motherboard
RJ-11
Very Brief time (milliseconds) of too much voltage
Pin Grid Array

10. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
800 x 600
removable chips on the motherboard
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

11. Before sending a power supply to the recycling facility...
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.
34
Coaxial
Processing

12. An example of a device that uses a TRS connector.
Speaker
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
1024 x 786
RJ-45

13. Ethernet network
RJ-45
Too much voltage
Cathode Ray Tube
TRS

14. Internal modem or telephone
RJ-11
Output
Software
RJ-45

15. 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.
4
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.
B-9 serial
Standardization

16. What is a Sag?
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.
Hardware
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Very brief time (milliseconds) of too little voltage

17. Level two cache is located on _______.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
the motherboard
9
Software

18. External modems most commonly connect to this port.
9
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Serial
CMOS

19. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
detects and fixes corrupt data in RAM.
4
CMOS

20. PGA stands for
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.
verifying data integrity.
Firmware
Pin Grid Array

21. A type of memory that loses data when the power is no longer supplied to the component.
Serial
50 - 68 - or 80
Volatile
Software

22. A serial mouse connects to a computer with this connector.
Output
9-pin serial
40 or 80
CMOS

23. Serial mouse or external modem
Power failure
B-9 serial
CMOS
Firewire 6-pin

24. How many pins is a MICRODIMM DIMM?
144
B-9 serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
tasks or 'Threads'

25. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
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.
removable chips on the motherboard
Serial

26. What does ECC stand for?
Firewire 6-pin
Small Outline DIMM
Error Correction Code.
Serial

27. 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)
2048 x 1536
Software
charged coupled device (CCD)
CMOS

28. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
DB-25 parallel
5.25
B-9 serial
Processing

29. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Storage
4
Cache
CMOS

30. A temporary data storage location that can be read from and written to.
9-pin serial
Random Access Memory (RAM)
CMOS
DB-15

31. Printers
DB-25 parallel
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
2048 x 1536

32. How many pins is a DDR3 DIMM?
Networking and Communications
200
240
184

33. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Redundant Array of Independant (Inexpensive) Disks.
ECC

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

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35. What is a Brownout?
Very Brief time (milliseconds) of too much voltage
Too little voltage
DB-25 parallel
verifying data integrity.

36. QXGA is ____x____
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
2048 x 1536
Volatile
DB-15

37. Number of Pins for Drives: 4. FDD
Volatile
detects and fixes corrupt data in RAM.
34
800 x 600

38. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
verifying data integrity.
CMOS
RJ-11
Software

39. What are the 6 form factors of motherboards?
BIOS
CMOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
ATX - BTX - Micro ATX - ITX - NLX - and LPX

40. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
184
BIOS
BIOS

41. The BIOS is stored on the _______ chip that is on the motherboard.
Too much voltage
Networking and Communications
2048 x 1536
CMOS

42. SVGA is ____ x_____
2048 x 1536
800 x 600
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Processing

43. RAID 5 has at least ___ hard drives.
Redundant Array of Independant (Inexpensive) Disks.
3
Power failure
DB-15

44. level three cache is located on _________.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
removable chips on the motherboard
Standardization
DB-15

45. Serial ports have this many pins.
9
200
Too much voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

46. How many pins is a SODIMM DDR DIMM?
144
5.25
Storage
Very brief time (milliseconds) of too little voltage

47. What does SODIMM stand for?
Standardization
1600 x 1200
Serial
Small Outline DIMM

48. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Cathode Ray Tube
DB-15
Error Correction Code.
Hardware

49. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
DB-25 parallel
charged coupled device (CCD)
9-pin serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

50. How many pins is a SODIMM DDR2 DIMM?
verifying data integrity.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
200
Too little voltage