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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 area of memory that holds recently-accessed data.
Cache
Very brief time (milliseconds) of too little voltage
1024 x 786
Error Correction Code.

2. level three cache is located on _________.
USB Type A
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
removable chips on the motherboard
9

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

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4. Parity is used in some _____________ - hard drives - and RAM.
240
Network communications
RJ-45
240

5. How many pins is a DDR DIMM?
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.
9
184

6. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
240
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Firewire 6-pin

7. What is the formal name of the 'headphone jack'?
34
Radial Lines
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
RJ-45

8. An example of firmware.
Input
Too much voltage
BIOS
Too little voltage

9. What is a Blackout?
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.
Power failure
CMOS
Input

10. 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
4
Standardization
9

11. UXGA is _____x_____
1600 x 1200
3
Processing
USB Type A

12. An example of a device that uses a low-density (two-row) male DB-15 connector.
Error Correction Code.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Joystick
B-9 serial

13. How many pins is a MICRODIMM DIMM?
Network communications
USB Type A
144
200

14. Number of Pins for Drives: 2. SCSI
TRS
144
50 - 68 - or 80
charged coupled device (CCD)

15. What are the 4 main types of storage?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
order Boot sequence - Integrated devices - drive controllers - power supply settings
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.

16. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
40 or 80
BIOS
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

17. Internal modem or telephone
240
DB-15
RJ-11
Cache

18. What is VRAM used for?
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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
BIOS
Redundant Array of Independant (Inexpensive) Disks.

19. CPUs: What is RISC?
DB-15
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
PCIe - PCI - AGP - ESIA - and ISA
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

20. CPUS: What is CISC?
Radial Lines
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Complex -Instruction - Set - Chips - Used in General Purpose PCs

21. What does SODIMM stand for?
Small Outline DIMM
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Speaker
2048 x 1536

22. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
USB Type A
detects and fixes corrupt data in RAM.
Very Brief time (milliseconds) of too much voltage

23. 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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

24. ZIF stands for ______.
Firewire 6-pin
Error Correction Code.
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.

25. 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)
5.25
144
Software
the motherboard

26. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Redundant Array of Independant (Inexpensive) Disks.
4
Output

27. Ethernet network
DB-15
RJ-45
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Hardware

28. What do the type types of Hard Drive acronyms stand for?
Firewire 6-pin
Cathode Ray Tube
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Componentization

29. A temporary data storage location that can be read from and written to.
TRS
Liquid Crystal Display
Random Access Memory (RAM)
Very brief time (milliseconds) of too little voltage

30. Level one cache is located on ___________.
DB-15
Power failure
CMOS
the CPU

31. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Cathode Ray Tube
Liquid Crystal Display
Storage
the CPU

32. Before sending a power supply to the recycling facility...
4
Joystick
Cache
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.

33. XGA is ____x_____
1024 x 786
Small Outline DIMM
Too little voltage
Volatile

34. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
144
4
Power failure

35. 10Base-2 Ethernet uses this cable.
Network communications
Coaxial
240
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

36. 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.
CMOS
Standardization
Firmware
144

37. PGA stands for
40 or 80
7 or 15 (powered)
Liquid Crystal Display
Pin Grid Array

38. What is a Brownout?
BIOS
Network communications
Too little voltage
800 x 600

39. How many pins is a DDR2 DIMM?
240
144
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.

40. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
Single Inline Memory Module - has 30 or 72 contacts on only one side.
BIOS
VGA/SVGA monitor

41. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
4
Power failure
50 - 68 - or 80
Radial Lines

42. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
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.
ECC
Too little voltage

43. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
the motherboard
Processing
Very brief time (milliseconds) of too little voltage
Front Side Bus.

44. An example of a device that uses a high-density (three-row) DB-15 connector.
Networking and Communications
verifying data integrity.
Power failure
VGA/SVGA monitor

45. What are the 6 form factors of motherboards?
Network communications
ECC
DB-15
ATX - BTX - Micro ATX - ITX - NLX - and LPX

46. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
240
tasks or 'Threads'
Firewire 6-pin
charged coupled device (CCD)

47. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
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.
40 or 80
9
Radial Lines

48. 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
the motherboard
40 or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

49. Number of Pins for Drives: 4. FDD
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
34
240
Processing

50. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Serial
5.25
BIOS
Coaxial