Test your basic knowledge |

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. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
BIOS
Radial Lines
tasks or 'Threads'
Firewire 6-pin

2. UXGA is _____x_____
1600 x 1200
RJ-11
50 - 68 - or 80
Cache

3. What are the two types of RAM?
Power failure
Input
Firmware
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

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

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5. Parity is used in some _____________ - hard drives - and RAM.
Network communications
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
240
Joystick

6. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
4
USB Type A
charged coupled device (CCD)

7. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Networking and Communications
5.25
DB-25 parallel
Single Inline Memory Module - has 30 or 72 contacts on only one side.

8. What is a Blackout?
Serial
Power failure
Cathode Ray Tube
Random Access Memory (RAM)

9. Serial ports have this many pins.
9
TRS
Small Outline DIMM
the motherboard

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

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11. SVGA is ____ x_____
40 or 80
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
800 x 600
Serial

12. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Error Correction Code.
1600 x 1200

13. How many pins is a SODIMM DDR2 DIMM?
200
BIOS
9
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

14. SDRAM sands for _______.
Very brief time (milliseconds) of too little voltage
detects and fixes corrupt data in RAM.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

15. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
Firmware
DB-25
Input

16. What is a Brownout?
50 - 68 - or 80
Firewire 6-pin
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Too little voltage

17. The BIOS is stored on the _______ chip that is on the motherboard.
3
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.
CMOS
1024 x 786

18. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
RJ-45
Hardware
7 or 15 (powered)
Serial

19. Level two cache is located on _______.
the motherboard
Componentization
Cache
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.

20. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
charged coupled device (CCD)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
184
B-9 serial

21. An example of a device that uses a TRS connector.
3
Speaker
B-9 serial
Redundant Array of Independant (Inexpensive) Disks.

22. 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.
tasks or 'Threads'
verifying data integrity.
CMOS
Componentization

23. 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.
tasks or 'Threads'
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
Networking and Communications

24. SCSI code is set by a 4 things - what are they?
Power failure
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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

25. CPUs: What is RISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
1024 x 786
Processing

26. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
4
VGA/SVGA monitor
Very brief time (milliseconds) of too little voltage

27. XGA is ____x_____
Error Correction Code.
1024 x 786
Cache
144

28. Level one cache is located on ___________.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Serial
the CPU
Network communications

29. CPUS: What is CISC?
Power failure
9-pin serial
Complex -Instruction - Set - Chips - Used in General Purpose PCs
RJ-11

30. level three cache is located on _________.
34
removable chips on the motherboard
40 or 80
CMOS

31. 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.
DB-25
Hardware
200
verifying data integrity.

32. QXGA is ____x____
2048 x 1536
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.
1024 x 786
B-9 serial

33. What does RIMM stand for?
BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Pin Grid Array
Single Inline Memory Module - has 30 or 72 contacts on only one side.

34. Serial mouse or external modem
Coaxial
ATX - BTX - Micro ATX - ITX - NLX - and LPX
B-9 serial
DB-15

35. What does SIMM stand for?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
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.
Processing
Single Inline Memory Module - has 30 or 72 contacts on only one side.

36. Internal modem or telephone
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
RJ-11
Speaker
USB Type A

37. What does ECC stand for?
the motherboard
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Networking and Communications
Error Correction Code.

38. A serial mouse connects to a computer with this connector.
9-pin serial
DB-15
Liquid Crystal Display
144

39. Number of Pins for Drives: 4. FDD
BIOS
4
Liquid Crystal Display
34

40. External modems most commonly connect to this port.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Serial
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
1600 x 1200

41. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Processing
TRS
tasks or 'Threads'

42. What do the type types of Hard Drive acronyms stand for?
DB-15
removable chips on the motherboard
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Too much voltage

43. What is the formal name of the 'headphone jack'?
Processing
1024 x 786
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Networking and Communications

44. 10Base-2 Ethernet uses this cable.
Software
CMOS
Volatile
Coaxial

45. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
the motherboard
Input

46. Spike
34
Network communications
Very Brief time (milliseconds) of too much voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs

47. An example of a device that uses a low-density (two-row) male DB-15 connector.
Error Correction Code.
Joystick
5.25
Coaxial

48. 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.
Liquid Crystal Display
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
144

49. 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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Firewire 6-pin
Standardization
RJ-11

50. An example of firmware.
BIOS
9-pin serial
240
1024 x 786