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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. What does ECC stand for?
Error Correction Code.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
200
DB-15

2. Serial mouse or external modem
B-9 serial
Liquid Crystal Display
tasks or 'Threads'
detects and fixes corrupt data in RAM.

3. What does SIMM stand for?
RJ-45
144
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Network communications

4. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Too much voltage
PS/2-style mouse
charged coupled device (CCD)
DB-25

5. What do the type types of Hard Drive acronyms stand for?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
charged coupled device (CCD)
RJ-45
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

6. PGA stands for
Pin Grid Array
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
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.
Volatile

7. Spike
verifying data integrity.
order Boot sequence - Integrated devices - drive controllers - power supply settings
240
Very Brief time (milliseconds) of too much voltage

8. What does SODIMM stand for?
Error Correction Code.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
BIOS
Small Outline DIMM

9. What are the 4 main types of storage?
BIOS
Network communications
Componentization
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

10. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Firewire 6-pin
Too much voltage
Random Access Memory (RAM)

11. Number of Pins for Drives: 3. SATA
2048 x 1536
7 or 15 (powered)
Small Outline DIMM
CMOS

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

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13. 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.
Networking and Communications
5.25
PCIe - PCI - AGP - ESIA - and ISA
Small Outline DIMM

14. 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
PCIe - PCI - AGP - ESIA - and ISA
Cache
Random Access Memory (RAM)

15. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Firmware
Random Access Memory (RAM)
Processing
Standardization

16. SDRAM sands for _______.
Very Brief time (milliseconds) of too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Too much voltage
Serial

17. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
Joystick
800 x 600
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

18. An example of a device that uses a high-density (three-row) DB-15 connector.
DB-15
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
VGA/SVGA monitor
50 - 68 - or 80

19. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
TRS
Output
Serial
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.

20. Internal modem or telephone
RJ-11
verifying data integrity.
5.25
BIOS

21. ZIF stands for ______.
5.25
9
240
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.

22. The BIOS is stored on the _______ chip that is on the motherboard.
Hardware
Networking and Communications
Error Correction Code.
CMOS

23. How many pins is a DDR2 DIMM?
240
the CPU
34
Cache

24. RAID stands for _________.
charged coupled device (CCD)
7 or 15 (powered)
Redundant Array of Independant (Inexpensive) Disks.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

25. An example of firmware.
DB-25
VGA/SVGA monitor
DB-15
BIOS

26. Parity is used in some _____________ - hard drives - and RAM.
40 or 80
charged coupled device (CCD)
Random Access Memory (RAM)
Network communications

27. What are the two types of RAM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Firmware
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
CMOS

28. What does RIMM stand for?
144
PCIe - PCI - AGP - ESIA - and ISA
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Redundant Array of Independant (Inexpensive) Disks.

29. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Network communications
5.25
Power failure
TRS

30. How many pins is a DDR3 DIMM?
Componentization
CMOS
144
240

31. Level two cache is located on _______.
ECC
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
tasks or 'Threads'
the motherboard

32. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
184
7 or 15 (powered)
Error Correction Code.

33. An example of a device that uses a TRS connector.
Speaker
CMOS
Too much voltage
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. Printers
Liquid Crystal Display
50 - 68 - or 80
184
DB-25 parallel

35. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
DB-15
CMOS
Power failure
detects and fixes corrupt data in RAM.

36. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Processing
PCIe - PCI - AGP - ESIA - and ISA
40 or 80
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.

37. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Input
4
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.

38. What is VRAM used for?
PS/2-style mouse
Very Brief time (milliseconds) of too much voltage
DB-15
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

39. What does ECC do?
Hardware
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS
detects and fixes corrupt data in RAM.

40. What is a Blackout?
Power failure
Processing
Joystick
Cathode Ray Tube

41. Before sending a power supply to the recycling facility...
detects and fixes corrupt data in RAM.
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.
DB-15
1024 x 786

42. 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.
Small Outline DIMM
40 or 80
Cathode Ray Tube
Standardization

43. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Cache
Front Side Bus.
CMOS
the CPU

44. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
9
144
Radial Lines

45. 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)
tasks or 'Threads'
DB-15
Software
CMOS

46. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Firmware
Cache

47. A serial mouse connects to a computer with this connector.
40 or 80
9-pin serial
verifying data integrity.
Error Correction Code.

48. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Hardware
VGA/SVGA monitor
DB-15

49. UXGA is _____x_____
1600 x 1200
ECC
CMOS
VGA/SVGA monitor

50. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Hardware
TRS
4
BIOS