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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. Parity is used in some _____________ - hard drives - and RAM.
Network communications
2048 x 1536
Redundant Array of Independant (Inexpensive) Disks.
Volatile

2. What is Virtual RAM?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
184
Small Outline DIMM
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.

3. What does ECC do?
Pin Grid Array
40 or 80
Very brief time (milliseconds) of too little voltage
detects and fixes corrupt data in RAM.

4. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Front Side Bus.
TRS
CMOS
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.

5. RAID 5 has at least ___ hard drives.
3
Speaker
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs

6. Before sending a power supply to the recycling facility...
Cathode Ray Tube
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.
Front Side Bus.
1024 x 786

7. What are the 4 main types of storage?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Error Correction Code.
RJ-11
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

8. An example of a device that uses a low-density (two-row) male DB-15 connector.
TRS
CMOS
Joystick
40 or 80

9. What is a Sag?
4
Very brief time (milliseconds) of too little voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX
34

10. Number of Pins for Drives: 3. SATA
Error Correction Code.
7 or 15 (powered)
Storage
Componentization

11. Ethernet network
9-pin serial
RJ-45
50 - 68 - or 80
Cathode Ray Tube

12. What does CRT stand for?
Input
Cathode Ray Tube
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.
Line Grid Array

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

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14. 10Base-5 Ethernet and game ports use this cable
DB-15
144
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

15. Parallel devices connect to this connector.
DB-25
7 or 15 (powered)
34
Storage

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.
Output
verifying data integrity.
Standardization
Firmware

17. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
1024 x 786
Error Correction Code.
Too little voltage

18. An example of a device that uses a TRS connector.
BIOS
3
Speaker
order Boot sequence - Integrated devices - drive controllers - power supply settings

19. The BIOS is stored on the _______ chip that is on the motherboard.
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.
Speaker
DB-15
CMOS

20. 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.
Network communications
4
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

21. Serial ports have this many pins.
9
ECC
Firmware
800 x 600

22. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Line Grid Array
CMOS
Volatile
Software

23. How many pins is a MICRODIMM DIMM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Line Grid Array
DB-15
144

24. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
RJ-11
Hardware
Cache

25. What does SODIMM stand for?
Cathode Ray Tube
184
Small Outline DIMM
PCIe - PCI - AGP - ESIA - and ISA

26. How many pins is a DDR3 DIMM?
DB-25
240
Radial Lines
Networking and Communications

27. Number of Pins for Drives: 4. FDD
Very Brief time (milliseconds) of too much voltage
9
34
Software

28. A type of memory that loses data when the power is no longer supplied to the component.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Error Correction Code.
Volatile
VGA/SVGA monitor

29. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
VGA/SVGA monitor
Firewire 6-pin
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
tasks or 'Threads'

30. level three cache is located on _________.
Redundant Array of Independant (Inexpensive) Disks.
240
removable chips on the motherboard
VGA/SVGA monitor

31. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Componentization
Complex -Instruction - Set - Chips - Used in General Purpose PCs

32. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Componentization
Power failure
Storage
PCIe - PCI - AGP - ESIA - and ISA

33. How many pins is a SODIMM DDR2 DIMM?
CMOS
Networking and Communications
Too little voltage
200

34. 10Base-2 Ethernet uses this cable.
Coaxial
the CPU
Serial
Hardware

35. What does ECC stand for?
ECC
Cathode Ray Tube
200
Error Correction Code.

36. An example of a device that uses a 6-pin Mini-DIN connector.
Front Side Bus.
PS/2-style mouse
Very Brief time (milliseconds) of too much voltage
RJ-11

37. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Firmware
1024 x 786
Volatile
5.25

38. Number of Pins for Drives: 2. SCSI
VGA/SVGA monitor
BIOS
50 - 68 - or 80
Hardware

39. Internal modem or telephone
1024 x 786
Input
Complex -Instruction - Set - Chips - Used in General Purpose PCs
RJ-11

40. 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)
Software
Front Side Bus.
Very Brief time (milliseconds) of too much voltage
200

41. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
B-9 serial
5.25
7 or 15 (powered)
Hardware

42. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
50 - 68 - or 80
Output
RJ-11
240

43. Level one cache is located on ___________.
the CPU
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
5.25
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

44. SDRAM sands for _______.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-15
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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

45. What does RIMM stand for?
Error Correction Code.
BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Too little voltage

46. Level two cache is located on _______.
PS/2-style mouse
the motherboard
RJ-45
Software

47. What is a Brownout?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Pin Grid Array
Too little voltage

48. An area of memory that holds recently-accessed data.
Line Grid Array
5.25
DB-25 parallel
Cache

49. What is a Blackout?
Firmware
1024 x 786
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.
Power failure

50. UXGA is _____x_____
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
240
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1600 x 1200