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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. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
4
Too little voltage
2048 x 1536
TRS

2. What are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.

3. RAID 5 has at least ___ hard drives.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
200
Software
3

4. 10Base-5 Ethernet and game ports use this cable
PS/2-style mouse
9
DB-15
Cache

5. 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
USB Type A
verifying data integrity.
Power failure

6. level three cache is located on _________.
BIOS
2048 x 1536
Volatile
removable chips on the motherboard

7. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
detects and fixes corrupt data in RAM.
Hardware
Speaker
Volatile

8. XGA is ____x_____
9
1024 x 786
40 or 80
PS/2-style mouse

9. An example of a device that uses a high-density (three-row) DB-15 connector.
3
the CPU
VGA/SVGA monitor
Error Correction Code.

10. The actual speed of the CPU is governed by a _______ setting called the clock rate.
tasks or 'Threads'
Standardization
BIOS
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.

11. What does RIMM stand for?
RJ-45
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Network communications
B-9 serial

12. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Hardware
Cathode Ray Tube
144
USB Type A

13. Level one cache is located on ___________.
the CPU
B-9 serial
Serial
3

14. What is a Blackout?
Storage
Power failure
Error Correction Code.
Input

15. What are the 4 main types of storage?
RJ-45
DB-15
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
detects and fixes corrupt data in RAM.

16. An example of firmware.
Firmware
Input
Firewire 6-pin
BIOS

17. A serial mouse connects to a computer with this connector.
CMOS
9-pin 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.
Serial

18. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
7 or 15 (powered)
9
Small Outline DIMM

19. SVGA is ____ x_____
Volatile
800 x 600
DB-15
50 - 68 - or 80

20. SCSI code is set by a 4 things - what are they?
4
Storage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RJ-45

21. 10Base-2 Ethernet uses this cable.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Redundant Array of Independant (Inexpensive) Disks.
9-pin serial
Coaxial

22. Parity is a method of ____________. It is used when the reliability of the data is more important than the speed at which it is written or read. When the data is read or received - the bytes should still be even. If not - the data is corrupt.
verifying data integrity.
800 x 600
Serial
Cathode Ray Tube

23. What does SODIMM stand for?
TRS
Too much voltage
Small Outline DIMM
Coaxial

24. How many pins is a DDR3 DIMM?
50 - 68 - or 80
BIOS
VGA/SVGA monitor
240

25. What is a Brownout?
Too little voltage
CMOS
the motherboard
BIOS

26. Spike
2048 x 1536
Very Brief time (milliseconds) of too much voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
B-9 serial

27. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
the CPU
Cathode Ray Tube
Too little voltage
Processing

28. What does ECC stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
TRS
the motherboard
Error Correction Code.

29. What does LCD stand for?
Liquid Crystal Display
240
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
BIOS

30. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Componentization
40 or 80

31. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
USB Type A
5.25
verifying data integrity.

32. How many pins is a DDR DIMM?
Storage
Pin Grid Array
184
Very Brief time (milliseconds) of too much voltage

33. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
1024 x 786
2048 x 1536
9
Radial Lines

34. An area of memory that holds recently-accessed data.
Cache
ECC
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

35. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Power failure
DB-15
Front Side Bus.

36. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS
order Boot sequence - Integrated devices - drive controllers - power supply settings
2048 x 1536

37. 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.
Too much voltage
Componentization
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Firmware

38. How many pins is a DDR2 DIMM?
Standardization
Redundant Array of Independant (Inexpensive) Disks.
240
Output

39. An example of a device that uses a 6-pin Mini-DIN connector.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
9-pin serial
BIOS
PS/2-style mouse

40. 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.
Too much voltage
800 x 600
Cathode Ray Tube

41. What are the 6 form factors of motherboards?
verifying data integrity.
VGA/SVGA monitor
RJ-11
ATX - BTX - Micro ATX - ITX - NLX - and LPX

42. PGA stands for
Volatile
the motherboard
Speaker
Pin Grid Array

43. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
tasks or 'Threads'
charged coupled device (CCD)

44. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Radial Lines
Coaxial
144
Firmware

45. Level two cache is located on _______.
Too little voltage
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the motherboard
Error Correction Code.

46. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
DB-15
Power failure
Firewire 6-pin
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

47. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Firmware
verifying data integrity.
Error Correction Code.
4

48. LGA stands for ______.
CMOS
USB Type A
Line Grid Array
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.

49. Multiple core allow the PC to simultaneously process multiple ______.

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50. QXGA is ____x____
Cathode Ray Tube
9-pin serial
2048 x 1536
40 or 80