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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. What does LCD stand for?
tasks or 'Threads'
9-pin serial
Liquid Crystal Display
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

2. Number of Pins for Drives: 3. SATA
CMOS
Too little voltage
7 or 15 (powered)
verifying data integrity.

3. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
200
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
5.25

4. Level two cache is located on _______.
the motherboard
the CPU
Single Inline Memory Module - has 30 or 72 contacts on only one side.
TRS

5. What is a Sag?
Very brief time (milliseconds) of too little voltage
RJ-45
Network communications
800 x 600

6. What does RIMM stand for?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
the CPU
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Joystick

7. 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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
RJ-11
DB-15
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

8. Surge
VGA/SVGA monitor
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Too much voltage
9

9. Level one cache is located on ___________.
Coaxial
Firmware
Complex -Instruction - Set - Chips - Used in General Purpose PCs
the CPU

10. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
240
Very brief time (milliseconds) of too little voltage
DB-15
40 or 80

11. Serial ports have this many pins.
9
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Front Side Bus.

12. 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
240
DB-15
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

13. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
144
Front Side Bus.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
the motherboard

14. RAID 5 has at least ___ hard drives.
3
Complex -Instruction - Set - Chips - Used in General Purpose PCs
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
order Boot sequence - Integrated devices - drive controllers - power supply settings

15. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Error Correction Code.
USB Type A
Firewire 6-pin
DB-15

16. Spike
Very Brief time (milliseconds) of too much voltage
Firmware
charged coupled device (CCD)
BIOS

17. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
144
VGA/SVGA monitor
the CPU

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

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19. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Very Brief time (milliseconds) of too much voltage
Firmware

20. LGA stands for ______.
Line Grid Array
RJ-11
800 x 600
PS/2-style mouse

21. An area of memory that holds recently-accessed data.
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.
Cache
detects and fixes corrupt data in RAM.
DB-25 parallel

22. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Output
1600 x 1200
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.
charged coupled device (CCD)

23. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
9
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

24. 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.
Cathode Ray Tube
tasks or 'Threads'
Coaxial
Standardization

25. RAID stands for _________.
5.25
Single Inline Memory Module - has 30 or 72 contacts on only one side.
9-pin serial
Redundant Array of Independant (Inexpensive) Disks.

26. What is Virtual RAM?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1024 x 786
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

27. What does ECC do?
detects and fixes corrupt data in RAM.
34
Standardization
50 - 68 - or 80

28. The actual speed of the CPU is governed by a _______ setting called the clock rate.
tasks or 'Threads'
DB-15
Redundant Array of Independant (Inexpensive) Disks.
BIOS

29. How many pins is a DDR2 DIMM?
DB-25 parallel
Standardization
ECC
240

30. External modems most commonly connect to this port.
Serial
3
9
Componentization

31. What are the 6 form factors of motherboards?
CMOS
B-9 serial
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX

32. UXGA is _____x_____
PCIe - PCI - AGP - ESIA - and ISA
1024 x 786
1600 x 1200
Error Correction Code.

33. XGA is ____x_____
Too little voltage
B-9 serial
DB-25 parallel
1024 x 786

34. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Coaxial
TRS
1600 x 1200

35. A serial mouse connects to a computer with this connector.
Speaker
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.
1600 x 1200

36. 10Base-5 Ethernet and game ports use this cable
DB-15
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Processing
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

37. What do the type types of Hard Drive acronyms stand for?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
removable chips on the motherboard
Standardization
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

38. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Output
Standardization
Input

39. What does CRT stand for?
BIOS
Software
800 x 600
Cathode Ray Tube

40. What is a Brownout?
Too little voltage
800 x 600
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
240

41. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Firewire 6-pin
the motherboard
DB-15
Storage

42. How many pins is a SODIMM DDR2 DIMM?
Input
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
200
Speaker

43. Parallel devices connect to this connector.
Small Outline DIMM
Firmware
DB-25
2048 x 1536

44. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
800 x 600
Output
Small Outline DIMM

45. The BIOS is stored on the _______ chip that is on the motherboard.
charged coupled device (CCD)
Hardware
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
CMOS

46. 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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Software
Componentization
Complex -Instruction - Set - Chips - Used in General Purpose PCs

47. A temporary data storage location that can be read from and written to.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
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.
Random Access Memory (RAM)
Small Outline DIMM

48. 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.
charged coupled device (CCD)
Output
Too little voltage

49. Printers
DB-25 parallel
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Very brief time (milliseconds) of too little voltage
240

50. How many pins is a DDR DIMM?
184
TRS
Redundant Array of Independant (Inexpensive) Disks.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack