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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. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
Network communications
ECC
CMOS

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

3. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
CMOS
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.
184

4. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
BIOS
1600 x 1200
VGA/SVGA monitor
CMOS

5. RAID stands for _________.
Firmware
Redundant Array of Independant (Inexpensive) Disks.
9-pin serial
240

6. RAID 5 has at least ___ hard drives.
4
Very Brief time (milliseconds) of too much voltage
200
3

7. SCSI code is set by a 4 things - what are they?
Network communications
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
9-pin serial
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.

8. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Output
removable chips on the motherboard
TRS
Very brief time (milliseconds) of too little voltage

9. What are the 4 main types of storage?
184
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cache

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

11. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
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.
7 or 15 (powered)
200
Output

12. Parity is used in some _____________ - hard drives - and RAM.
BIOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
40 or 80
Network communications

13. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
removable chips on the motherboard
1024 x 786
4
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

14. 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)
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.
detects and fixes corrupt data in RAM.
Very Brief time (milliseconds) of too much voltage
Software

15. 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.
PS/2-style mouse
200
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Standardization

16. What is a Brownout?
800 x 600
50 - 68 - or 80
34
Too little voltage

17. What does ECC stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Firmware
Error Correction Code.
B-9 serial

18. Printers
1024 x 786
Software
Error Correction Code.
DB-25 parallel

19. What does LCD stand for?
7 or 15 (powered)
PS/2-style mouse
144
Liquid Crystal Display

20. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
the CPU
Error Correction Code.
Joystick
Hardware

21. What does SIMM stand for?
RJ-11
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-15
Firmware

22. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Very Brief time (milliseconds) of too much voltage
50 - 68 - or 80
Storage
Line Grid Array

23. CPUS: What is CISC?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Output
144

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

25. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
9
240
1024 x 786
40 or 80

26. What are the 6 form factors of motherboards?
Processing
ATX - BTX - Micro ATX - ITX - NLX - and LPX
50 - 68 - or 80
PCIe - PCI - AGP - ESIA - and ISA

27. An example of a device that uses a high-density (three-row) DB-15 connector.
Output
VGA/SVGA monitor
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Random Access Memory (RAM)

28. How many pins is a DDR3 DIMM?
CMOS
Very Brief time (milliseconds) of too much voltage
240
Redundant Array of Independant (Inexpensive) Disks.

29. An example of a device that uses a low-density (two-row) male DB-15 connector.
tasks or 'Threads'
Joystick
200
Software

30. A temporary data storage location that can be read from and written to.
Pin Grid Array
Random Access Memory (RAM)
USB Type A
charged coupled device (CCD)

31. What does ECC do?
detects and fixes corrupt data in RAM.
the motherboard
Input
Power failure

32. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Firewire 6-pin
detects and fixes corrupt data in RAM.
Network communications

33. How many pins is a DDR DIMM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Error Correction Code.
184
144

34. 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.
removable chips on the motherboard
Componentization
verifying data integrity.
Joystick

35. QXGA is ____x____
2048 x 1536
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.
Too little voltage
Liquid Crystal Display

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

37. Parallel devices connect to this connector.
DB-25
Cathode Ray Tube
50 - 68 - or 80
Networking and Communications

38. What does SODIMM stand for?
1024 x 786
Complex -Instruction - Set - Chips - Used in General Purpose PCs
40 or 80
Small Outline DIMM

39. SVGA is ____ x_____
9
Complex -Instruction - Set - Chips - Used in General Purpose PCs
800 x 600
240

40. 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.
Firewire 6-pin
240
DB-15
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

41. An example of a device that uses a 6-pin Mini-DIN connector.
Networking and Communications
PS/2-style mouse
Input
Too little voltage

42. Level two cache is located on _______.
DB-25 parallel
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Very brief time (milliseconds) of too little voltage
the motherboard

43. Surge
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
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

44. 10Base-5 Ethernet and game ports use this cable
DB-15
Random Access Memory (RAM)
184
Storage

45. 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.
144
DB-15
40 or 80

46. How many pins is a SODIMM DDR2 DIMM?
9-pin serial
Coaxial
BIOS
200

47. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Hardware
34
200
CMOS

48. Serial ports have this many pins.
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.
9
Networking and Communications
4

49. Ethernet network
Too much voltage
Joystick
RJ-45
Redundant Array of Independant (Inexpensive) Disks.

50. What is VRAM used for?
USB Type A
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
144
charged coupled device (CCD)