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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. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
DB-15
Joystick
detects and fixes corrupt data in RAM.

2. 10Base-5 Ethernet and game ports use this cable
BIOS
Speaker
200
DB-15

3. What is a Sag?
Speaker
Very brief time (milliseconds) of too little voltage
Error Correction Code.
1600 x 1200

4. How many pins is a MICRODIMM DIMM?
144
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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.
ECC

5. What are the 6 form factors of motherboards?
DB-15
Small Outline DIMM
50 - 68 - or 80
ATX - BTX - Micro ATX - ITX - NLX - and LPX

6. What does RIMM stand for?
USB Type A
charged coupled device (CCD)
Random Access Memory (RAM)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

7. RAID 5 has at least ___ hard drives.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Volatile
3

8. External modems most commonly connect to this port.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
VGA/SVGA monitor
Serial
detects and fixes corrupt data in RAM.

9. Number of Pins for Drives: 2. SCSI
Pin Grid Array
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.
the motherboard
50 - 68 - or 80

10. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
9
CMOS
charged coupled device (CCD)
TRS

11. How many pins is a SODIMM DDR2 DIMM?
Random Access Memory (RAM)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Network communications
200

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

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13. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Redundant Array of Independant (Inexpensive) Disks.
Input
Firmware
Error Correction Code.

14. A serial mouse connects to a computer with this connector.
CMOS
Volatile
34
9-pin serial

15. How many pins is a SODIMM DDR DIMM?
Front Side Bus.
144
Cache
200

16. 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.
Firmware
verifying data integrity.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Too little voltage

17. 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)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Line Grid Array
Software
200

18. What does CRT stand for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
200
Cathode Ray Tube
Speaker

19. How many pins is a DDR3 DIMM?
4
240
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Radial Lines

20. Serial ports have this many pins.
Volatile
9
BIOS
Too much voltage

21. Surge
Too much voltage
34
B-9 serial
Processing

22. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
Too little voltage
VGA/SVGA monitor
50 - 68 - or 80

23. XGA is ____x_____
Coaxial
detects and fixes corrupt data in RAM.
1024 x 786
RJ-11

24. Parallel devices connect to this connector.
DB-15
800 x 600
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-25

25. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
2048 x 1536
Volatile
Processing
40 or 80

26. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
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.
Storage
RJ-11
50 - 68 - or 80

27. Number of Pins for Drives: 4. FDD
DB-25 parallel
DB-15
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

28. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Joystick
Front Side Bus.
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.

29. UXGA is _____x_____
Pin Grid Array
1600 x 1200
tasks or 'Threads'
B-9 serial

30. Ethernet network
240
Power failure
BIOS
RJ-45

31. An area of memory that holds recently-accessed data.
Cache
3
DB-25 parallel
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.

32. SCSI code is set by a 4 things - what are they?
Very Brief time (milliseconds) of too much voltage
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
9

33. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Front Side Bus.
Small Outline DIMM
Error Correction Code.

34. What are the two types of RAM?
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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RJ-45

35. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
the motherboard
9-pin serial
DB-25 parallel

36. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
the motherboard
240
Networking and Communications

37. An example of a device that uses a low-density (two-row) male DB-15 connector.
Front Side Bus.
RJ-11
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Joystick

38. Printers
5.25
DB-25 parallel
VGA/SVGA monitor
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

39. Level two cache is located on _______.
Error Correction Code.
the motherboard
removable chips on the motherboard
Processing

40. How many pins is a DDR DIMM?
the motherboard
the CPU
184
VGA/SVGA monitor

41. A type of memory that loses data when the power is no longer supplied to the component.
DB-15
Volatile
144
5.25

42. Serial mouse or external modem
Complex -Instruction - Set - Chips - Used in General Purpose PCs
B-9 serial
CMOS
Line Grid Array

43. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Very Brief time (milliseconds) of too much voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

44. Level one cache is located on ___________.
PCIe - PCI - AGP - ESIA - and ISA
the CPU
PS/2-style mouse
BIOS

45. What is a Blackout?
1600 x 1200
Power failure
Front Side Bus.
Joystick

46. Spike
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Very Brief time (milliseconds) of too much voltage
DB-25
USB Type A

47. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
the motherboard
Firewire 6-pin
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

48. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
1024 x 786
Firewire 6-pin
DB-15

49. BIOS allows you to do 4 things - what are they?
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
Output
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.

50. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Front Side Bus.
charged coupled device (CCD)
Hardware
40 or 80