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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 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Processing
order Boot sequence - Integrated devices - drive controllers - power supply settings
4
Line Grid Array

2. Number of Pins for Drives: 3. SATA
Pin Grid Array
Storage
7 or 15 (powered)
Liquid Crystal Display

3. The actual speed of the CPU is governed by a _______ setting called the clock rate.
DB-15
4
1600 x 1200
BIOS

4. What does SODIMM stand for?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
ECC
Small Outline DIMM
40 or 80

5. What is a Brownout?
Too little voltage
RJ-11
Processing
CMOS

6. Level one cache is located on ___________.
1600 x 1200
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the CPU
2048 x 1536

7. RAID stands for _________.
charged coupled device (CCD)
Redundant Array of Independant (Inexpensive) Disks.
BIOS
DB-15

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

9. What are the 6 form factors of motherboards?
800 x 600
Coaxial
Networking and Communications
ATX - BTX - Micro ATX - ITX - NLX - and LPX

10. 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)
144
TRS
Front Side Bus.
Software

11. 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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Firewire 6-pin
DB-15
Network communications

12. How many pins is a SODIMM DDR DIMM?
Firmware
144
Hardware
Very Brief time (milliseconds) of too much voltage

13. UXGA is _____x_____
1600 x 1200
DB-15
Too much voltage
CMOS

14. Printers
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-25 parallel
240
VGA/SVGA monitor

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

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16. A type of memory that loses data when the power is no longer supplied to the component.
Networking and Communications
Volatile
9
Radial Lines

17. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
1600 x 1200
CMOS
ECC
Small Outline DIMM

18. Ethernet network
Cache
TRS
RJ-45
Speaker

19. A temporary data storage location that can be read from and written to.
200
Too much voltage
Random Access Memory (RAM)
Volatile

20. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Input
removable chips on the motherboard
144

21. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
RJ-11
Componentization
B-9 serial
USB Type A

22. Number of Pins for Drives: 4. FDD
Cathode Ray Tube
184
Front Side Bus.
34

23. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Firewire 6-pin
Cache
PCIe - PCI - AGP - ESIA - and ISA
TRS

24. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
Storage
Networking and Communications
Output

25. What are the two types of RAM?
PS/2-style mouse
2048 x 1536
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Pin Grid Array

26. A serial mouse connects to a computer with this connector.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
CMOS
800 x 600
9-pin serial

27. What does ECC stand for?
BIOS
Error Correction Code.
BIOS
Standardization

28. An example of firmware.
BIOS
Networking and Communications
Radial Lines
Line Grid Array

29. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
40 or 80
240
Single Inline Memory Module - has 30 or 72 contacts on only one side.

30. What does ECC do?
ECC
ATX - BTX - Micro ATX - ITX - NLX - and LPX
detects and fixes corrupt data in RAM.
Network communications

31. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
PCIe - PCI - AGP - ESIA - and ISA
184
removable chips on the motherboard

32. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
TRS
3
order Boot sequence - Integrated devices - drive controllers - power supply settings

33. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
5.25
detects and fixes corrupt data in RAM.
Firmware

34. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
B-9 serial
Software

35. What is VRAM used for?
200
DB-25 parallel
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
CMOS

36. SCSI code is set by a 4 things - what are they?
240
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Firmware
verifying data integrity.

37. An example of a device that uses a 6-pin Mini-DIN connector.
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.
7 or 15 (powered)
PS/2-style mouse
Network communications

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

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39. What does LCD stand for?
tasks or 'Threads'
Redundant Array of Independant (Inexpensive) Disks.
Liquid Crystal Display
ATX - BTX - Micro ATX - ITX - NLX - and LPX

40. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
the CPU
Cache
TRS

41. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Small Outline DIMM
50 - 68 - or 80
BIOS
5.25

42. RAID 5 has at least ___ hard drives.
3
PS/2-style mouse
Coaxial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

43. What does CRT stand for?
Firmware
Power failure
Random Access Memory (RAM)
Cathode Ray Tube

44. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
144
Hardware
Complex -Instruction - Set - Chips - Used in General Purpose PCs
144

45. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
detects and fixes corrupt data in RAM.
9
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

46. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
the CPU
240
Networking and Communications

47. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Radial Lines
ECC
184
TRS

48. What is a Blackout?
240
Power failure
charged coupled device (CCD)
Too little voltage

49. Parallel devices connect to this connector.
BIOS
2048 x 1536
DB-25
order Boot sequence - Integrated devices - drive controllers - power supply settings

50. 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.
CMOS
1600 x 1200
Software
verifying data integrity.