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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. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
charged coupled device (CCD)
2048 x 1536
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

2. Internal modem or telephone
Radial Lines
5.25
DB-25 parallel
RJ-11

3. Parallel devices connect to this connector.
Small Outline DIMM
DB-25
9-pin serial
Output

4. What is Virtual RAM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to 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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

5. Number of Pins for Drives: 4. FDD
34
2048 x 1536
RJ-11
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

6. Serial ports have this many pins.
240
9
1600 x 1200
DB-15

7. UXGA is _____x_____
240
1600 x 1200
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
800 x 600

8. RAID 5 has at least ___ hard drives.
B-9 serial
5.25
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
3

9. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Standardization
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.
charged coupled device (CCD)

10. Ethernet network
Cathode Ray Tube
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
removable chips on the motherboard
RJ-45

11. How many pins is a DDR3 DIMM?
240
1024 x 786
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
40 or 80

12. What does ECC stand for?
Output
2048 x 1536
Error Correction Code.
7 or 15 (powered)

13. Level one cache is located on ___________.
7 or 15 (powered)
CMOS
Front Side Bus.
the CPU

14. 10Base-2 Ethernet uses this cable.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Coaxial
BIOS
Speaker

15. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
50 - 68 - or 80
Front Side Bus.
Firmware
CMOS

16. How many pins is a MICRODIMM DIMM?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Firmware
Cathode Ray Tube
144

17. What does ECC do?
Input
Output
verifying data integrity.
detects and fixes corrupt data in RAM.

18. How many pins is a SODIMM DDR2 DIMM?
RJ-45
200
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
240

19. An example of a device that uses a TRS connector.
184
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Coaxial
Speaker

20. SDRAM sands for _______.
Network communications
Radial Lines
Hardware
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

21. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
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.
Storage
Standardization

22. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
the CPU
Firewire 6-pin
Software
144

23. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
CMOS
BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

24. How many pins is a DDR DIMM?
charged coupled device (CCD)
Hardware
800 x 600
184

25. What do the type types of Hard Drive acronyms stand for?
PS/2-style mouse
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Networking and Communications

26. What is a Sag?
Very brief time (milliseconds) of too little voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Very Brief time (milliseconds) of too much voltage
tasks or 'Threads'

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

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28. What does SODIMM stand for?
Small Outline DIMM
USB Type A
Speaker
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

29. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
240
Coaxial
removable chips on the motherboard

30. XGA is ____x_____
ATX - BTX - Micro ATX - ITX - NLX - and LPX
1024 x 786
Output
50 - 68 - or 80

31. 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.
Cache
7 or 15 (powered)
Liquid Crystal Display

32. 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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
34
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Componentization

33. A serial mouse connects to a computer with this connector.
BIOS
200
9-pin serial
Componentization

34. What is a Blackout?
5.25
PS/2-style mouse
Power failure
9

35. CPUS: What is CISC?
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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Line Grid Array

36. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Componentization
BIOS
B-9 serial

37. QXGA is ____x____
Firewire 6-pin
Too little voltage
2048 x 1536
PCIe - PCI - AGP - ESIA - and ISA

38. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Firmware
Output
Front Side Bus.
240

39. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Coaxial
Joystick
DB-25 parallel

40. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Storage
DB-15
Hardware
Componentization

41. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Serial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
B-9 serial

42. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.
Network communications

43. RAID stands for _________.
144
Power failure
Small Outline DIMM
Redundant Array of Independant (Inexpensive) Disks.

44. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
5.25
PCIe - PCI - AGP - ESIA - and ISA
Front Side Bus.
3

45. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Hardware
USB Type A
Front Side Bus.
9

46. 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.
3
Standardization
Networking and Communications
9-pin serial

47. An area of memory that holds recently-accessed data.
Firmware
RJ-11
Cache
USB Type A

48. level three cache is located on _________.
removable chips on the motherboard
Very brief time (milliseconds) of too little voltage
240
Network communications

49. How many pins is a DDR2 DIMM?
CMOS
240
Speaker
B-9 serial

50. What are the two types of RAM?
B-9 serial
Cathode Ray Tube
9
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.