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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 low-density (two-row) male DB-15 connector.
tasks or 'Threads'
Firmware
Output
Joystick

2. An example of a device that uses a 6-pin Mini-DIN connector.
RJ-11
PS/2-style mouse
Liquid Crystal Display
50 - 68 - or 80

3. An example of firmware.
3
BIOS
Power failure
BIOS

4. An example of a device that uses a TRS connector.
3
Speaker
34
Very brief time (milliseconds) of too little voltage

5. Serial ports have this many pins.
Processing
240
9
Very Brief time (milliseconds) of too much voltage

6. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
VGA/SVGA monitor
USB Type A
CMOS
Radial Lines

7. What do the type types of Hard Drive acronyms stand for?
Random Access Memory (RAM)
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
9
charged coupled device (CCD)

8. What does CRT stand for?
Firmware
Too much voltage
Cathode Ray Tube
Software

9. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
Too little voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
4

10. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
VGA/SVGA monitor
Firmware
9-pin serial

11. What does ECC do?
BIOS
240
detects and fixes corrupt data in RAM.
3

12. Parallel devices connect to this connector.
PS/2-style mouse
Power failure
144
DB-25

13. CPUs: What is RISC?
Software
50 - 68 - or 80
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
charged coupled device (CCD)

14. XGA is ____x_____
removable chips on the motherboard
DB-15
1024 x 786
PCIe - PCI - AGP - ESIA - and ISA

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

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16. A serial mouse connects to a computer with this connector.
Liquid Crystal Display
Small Outline DIMM
9-pin serial
Power failure

17. Ethernet network
RJ-45
detects and fixes corrupt data in RAM.
Power failure
Coaxial

18. How many pins is a DDR3 DIMM?
240
DB-25
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
BIOS

19. Level two cache is located on _______.
the motherboard
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.
Processing
240

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

21. CPUS: What is CISC?
4
Software
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Line Grid Array

22. 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
Very Brief time (milliseconds) of too much voltage
Volatile
ATX - BTX - Micro ATX - ITX - NLX - and LPX

23. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
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)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Error Correction Code.

24. An area of memory that holds recently-accessed data.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
2048 x 1536
Cache
240

25. Number of Pins for Drives: 4. FDD
9-pin serial
Small Outline DIMM
the CPU
34

26. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Output
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Storage
Firewire 6-pin

27. SCSI code is set by a 4 things - what are they?
the motherboard
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RJ-45

28. The BIOS is stored on the _______ chip that is on the motherboard.
the motherboard
1600 x 1200
Cache
CMOS

29. How many pins is a DDR2 DIMM?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
order Boot sequence - Integrated devices - drive controllers - power supply settings
Small Outline DIMM
240

30. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Software
Very brief time (milliseconds) of too little voltage
7 or 15 (powered)
ECC

31. What is a Sag?
CMOS
ECC
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Very brief time (milliseconds) of too little voltage

32. What does ECC stand for?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Power failure
DB-15
Error Correction Code.

33. Number of Pins for Drives: 2. SCSI
Input
Firewire 6-pin
50 - 68 - or 80
Redundant Array of Independant (Inexpensive) Disks.

34. 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.
Standardization
CMOS
Line Grid Array
Liquid Crystal Display

35. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Network communications
ATX - BTX - Micro ATX - ITX - NLX - and LPX
CMOS

36. BIOS allows you to do 4 things - what are they?
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.
5.25
order Boot sequence - Integrated devices - drive controllers - power supply settings
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

37. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
the CPU
Firmware
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
5.25

38. The actual speed of the CPU is governed by a _______ setting called the clock rate.
240
ECC
BIOS
detects and fixes corrupt data in RAM.

39. PGA stands for
Firmware
Pin Grid Array
200
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

40. External modems most commonly connect to this port.
Storage
Serial
RJ-11
BIOS

41. How many pins is a DDR DIMM?
Joystick
Speaker
184
Liquid Crystal Display

42. What does SIMM stand for?
Cathode Ray Tube
Single Inline Memory Module - has 30 or 72 contacts on only one side.
144
Hardware

43. ZIF stands for ______.
Cathode Ray Tube
Random Access Memory (RAM)
RJ-11
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.

44. What does RIMM stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
40 or 80
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
CMOS

45. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
34
Serial
charged coupled device (CCD)

46. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
ATX - BTX - Micro ATX - ITX - NLX - and LPX
200
Input
Random Access Memory (RAM)

47. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
9
PS/2-style mouse
Too little voltage

48. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
CMOS
Joystick
USB Type A
Speaker

49. Spike
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.
Very Brief time (milliseconds) of too much voltage
240
PCIe - PCI - AGP - ESIA - and ISA

50. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
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.
Storage
CMOS
800 x 600