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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. RAID stands for _________.
Processing
Software
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Redundant Array of Independant (Inexpensive) Disks.

2. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
Liquid Crystal Display
DB-15
1600 x 1200

3. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
CMOS
PCIe - PCI - AGP - ESIA - and ISA
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.
ECC

4. Ethernet network
RJ-45
PCIe - PCI - AGP - ESIA - and ISA
2048 x 1536
Too little voltage

5. Serial mouse or external modem
240
Network communications
B-9 serial
CMOS

6. What does ECC stand for?
Error Correction Code.
Too little voltage
the CPU
DB-15

7. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
2048 x 1536
DB-25 parallel
40 or 80
Small Outline DIMM

8. 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)
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.
CMOS
4

9. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Random Access Memory (RAM)
Volatile
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

10. What does RIMM stand for?
Firewire 6-pin
34
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Joystick

11. Parallel devices connect to this connector.
PS/2-style mouse
CMOS
DB-25
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.

12. Parity is used in some _____________ - hard drives - and RAM.
Network communications
Joystick
Cathode Ray Tube
VGA/SVGA monitor

13. Number of Pins for Drives: 4. FDD
3
Serial
Network communications
34

14. RAID 5 has at least ___ hard drives.
Liquid Crystal Display
3
Firewire 6-pin
USB Type A

15. An example of a device that uses a TRS connector.
Speaker
Network communications
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
charged coupled device (CCD)

16. How many pins is a DDR DIMM?
tasks or 'Threads'
184
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.
Too much voltage

17. SVGA is ____ x_____
3
DB-15
800 x 600
Front Side Bus.

18. 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.
Software
RJ-11
Redundant Array of Independant (Inexpensive) Disks.

19. SDRAM sands for _______.
240
DB-15
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Serial

20. What does CRT stand for?
BIOS
Cathode Ray Tube
144
ECC

21. How many pins is a DDR2 DIMM?
Software
removable chips on the motherboard
240
PCIe - PCI - AGP - ESIA - and ISA

22. Joystick or MIDI device (game port) - High Density DB-15 - VGA/SVGA monitor - 6-pin Mini-DIN - PS/2-style keyboard or mouse - By convention - purple connectors are used for the keyboard - and green connectors are used for the mouse.
order Boot sequence - Integrated devices - drive controllers - power supply settings
ECC
40 or 80
DB-15

23. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Processing
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Output
Networking and Communications

24. A serial mouse connects to a computer with this connector.
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.
1024 x 786
B-9 serial

25. 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.
800 x 600
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.
Networking and Communications
Radial Lines

26. Surge
Too much voltage
1600 x 1200
PS/2-style mouse
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

27. 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)
9
Software
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

28. An area of memory that holds recently-accessed data.
Input
Radial Lines
Cache
tasks or 'Threads'

29. What are the 4 main types of storage?
200
144
Firmware
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

30. What is a Brownout?
Too much voltage
B-9 serial
800 x 600
Too little voltage

31. An example of a device that uses a low-density (two-row) male DB-15 connector.
Line Grid Array
Joystick
B-9 serial
240

32. CPUS: What is CISC?
800 x 600
DB-25 parallel
verifying data integrity.
Complex -Instruction - Set - Chips - Used in General Purpose PCs

33. Internal modem or telephone
9-pin serial
Cathode Ray Tube
RJ-11
Serial

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

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35. What are the 6 form factors of motherboards?
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.
2048 x 1536
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Radial Lines

36. How many pins is a DDR3 DIMM?
Software
240
Cache
7 or 15 (powered)

37. 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.
3
Storage
1600 x 1200

38. Printers
Standardization
CMOS
DB-25 parallel
Too much voltage

39. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
charged coupled device (CCD)
Cache
CMOS

40. 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.
DB-25
Small Outline DIMM
Joystick
Componentization

41. A temporary data storage location that can be read from and written to.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Random Access Memory (RAM)
CMOS
charged coupled device (CCD)

42. 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
144
Serial
4

43. What is the formal name of the 'headphone jack'?
RJ-11
Firmware
2048 x 1536
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

44. How many pins is a MICRODIMM DIMM?
40 or 80
144
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Serial

45. An example of a device that uses a high-density (three-row) DB-15 connector.
RJ-45
BIOS
5.25
VGA/SVGA monitor

46. Spike
Componentization
240
Very Brief time (milliseconds) of too much voltage
Front Side Bus.

47. Level two cache is located on _______.
the motherboard
USB Type A
Firewire 6-pin
Hardware

48. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
USB Type A
Complex -Instruction - Set - Chips - Used in General Purpose PCs
34
TRS

49. What does SIMM stand for?
Very brief time (milliseconds) of too little voltage
TRS
VGA/SVGA monitor
Single Inline Memory Module - has 30 or 72 contacts on only one side.

50. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Pin Grid Array
ATX - BTX - Micro ATX - ITX - NLX - and LPX
200
BIOS