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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
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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. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Line Grid Array
Volatile
Input

2. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Liquid Crystal Display
CMOS
Volatile
Processing

3. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Firewire 6-pin
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
BIOS

4. Serial ports have this many pins.
Liquid Crystal Display
9
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
verifying data integrity.

5. BIOS allows you to do 4 things - what are they?
40 or 80
Networking and Communications
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
order Boot sequence - Integrated devices - drive controllers - power supply settings

6. Serial mouse or external modem
B-9 serial
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
PS/2-style mouse

7. How many pins is a DDR3 DIMM?
240
Radial Lines
verifying data integrity.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

8. How many pins is a SODIMM DDR DIMM?
1024 x 786
DB-15
144
tasks or 'Threads'

9. Parallel devices connect to this connector.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Firewire 6-pin
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DB-25

10. What does ECC do?
Line Grid Array
Input
detects and fixes corrupt data in RAM.
TRS

11. How many pins is a DDR2 DIMM?
Coaxial
4
240
Hardware

12. An area of memory that holds recently-accessed data.
detects and fixes corrupt data in RAM.
Cache
3
Very Brief time (milliseconds) of too much voltage

13. 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
Radial Lines
Too little voltage
USB Type A

14. PGA stands for
Pin Grid Array
DB-25
CMOS
Too little voltage

15. External modems most commonly connect to this port.
Serial
charged coupled device (CCD)
CMOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

16. An example of a device that uses a low-density (two-row) male DB-15 connector.
2048 x 1536
Joystick
3
BIOS

17. 10Base-2 Ethernet uses this cable.
B-9 serial
Radial Lines
Coaxial
Very brief time (milliseconds) of too little voltage

18. SVGA is ____ x_____
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
240
800 x 600
Error Correction Code.

19. How many pins is a SODIMM DDR2 DIMM?
34
800 x 600
200
144

20. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Error Correction Code.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Single Inline Memory Module - has 30 or 72 contacts on only one side.

21. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Line Grid Array
Firmware
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Output

22. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
charged coupled device (CCD)
34
Small Outline DIMM

23. 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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Pin Grid Array
Networking and Communications

24. Number of Pins for Drives: 4. FDD
34
BIOS
VGA/SVGA monitor
Componentization

25. 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.
34
BIOS
Liquid Crystal Display
DB-15

26. XGA is ____x_____
1024 x 786
Cache
9
USB Type A

27. What are the 4 main types of storage?
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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Random Access Memory (RAM)
1024 x 786

28. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
CMOS
Very brief time (milliseconds) of too little voltage
Input
Storage

29. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Too little voltage
4
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.
BIOS

30. Parity is used in some _____________ - hard drives - and RAM.
Network communications
184
Small Outline DIMM
ECC

31. Internal modem or telephone
Networking and Communications
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
TRS
RJ-11

32. Printers
240
DB-25 parallel
800 x 600
VGA/SVGA monitor

33. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Error Correction Code.
verifying data integrity.
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

34. What do the type types of Hard Drive acronyms stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
tasks or 'Threads'
144
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

35. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Very brief time (milliseconds) of too little voltage
Front Side Bus.
Processing
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.

36. Surge
Too much voltage
TRS
RJ-11
2048 x 1536

37. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

38. What does ECC stand for?
Error Correction Code.
CMOS
144
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

39. What is a Blackout?
184
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Power failure
Firmware

40. What does CRT stand for?
50 - 68 - or 80
Very brief time (milliseconds) of too little voltage
Cathode Ray Tube
charged coupled device (CCD)

41. 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.
5.25
the CPU
Joystick
Componentization

42. SDRAM sands for _______.
Serial
Network communications
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Processing

43. 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.
Front Side Bus.
Standardization
Pin Grid Array
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

44. 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)
3
BIOS
Front Side Bus.

45. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Small Outline DIMM
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

46. How many pins is a DDR DIMM?
detects and fixes corrupt data in RAM.
184
Storage
Cache

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

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48. An example of a device that uses a high-density (three-row) DB-15 connector.
RJ-45
Joystick
184
VGA/SVGA monitor

49. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
1024 x 786
B-9 serial
VGA/SVGA monitor

50. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Line Grid Array
USB Type A
TRS
Firmware

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Comptia A +: Hardware

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