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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. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Line Grid Array
5.25
Speaker
Front Side Bus.

2. Spike
4
Very Brief time (milliseconds) of too much voltage
Too much voltage
charged coupled device (CCD)

3. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
50 - 68 - or 80
CMOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

4. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
VGA/SVGA monitor
Standardization
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Firewire 6-pin

5. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Standardization
Input
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.
240

6. XGA is ____x_____
verifying data integrity.
1024 x 786
40 or 80
Joystick

7. A serial mouse connects to a computer with this connector.
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.
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.
Componentization

8. BIOS allows you to do 4 things - what are they?
Software
order Boot sequence - Integrated devices - drive controllers - power supply settings
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
240

9. RAID stands for _________.
7 or 15 (powered)
34
Redundant Array of Independant (Inexpensive) Disks.
Coaxial

10. What is VRAM used for?
240
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
PCIe - PCI - AGP - ESIA - and ISA

11. 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.
Very Brief time (milliseconds) of too much voltage
Firmware
verifying data integrity.
Standardization

12. What is Virtual RAM?
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.
BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
BIOS

13. What does SODIMM stand for?
40 or 80
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Small Outline DIMM
5.25

14. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
34
Joystick
7 or 15 (powered)
Output

15. An example of firmware.
BIOS
50 - 68 - or 80
Processing
Pin Grid Array

16. Printers
DB-25 parallel
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Firmware
Redundant Array of Independant (Inexpensive) Disks.

17. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Error Correction Code.
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.
Hardware
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

18. What does ECC stand for?
Error Correction Code.
240
Power failure
Standardization

19. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Error Correction Code.
ECC
PS/2-style mouse

20. 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.
Componentization
144
CMOS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

21. 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.
Speaker
DB-15
40 or 80
Complex -Instruction - Set - Chips - Used in General Purpose PCs

22. What does ECC do?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
detects and fixes corrupt data in RAM.
200
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

23. SVGA is ____ x_____
3
5.25
800 x 600
144

24. A type of memory that loses data when the power is no longer supplied to the component.
240
Volatile
144
USB Type A

25. External modems most commonly connect to this port.
detects and fixes corrupt data in RAM.
Output
Serial
DB-15

26. Parity is used in some _____________ - hard drives - and RAM.
the CPU
PCIe - PCI - AGP - ESIA - and ISA
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Network communications

27. An area of memory that holds recently-accessed data.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Output
184
Cache

28. How many pins is a DDR2 DIMM?
Radial Lines
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.
240

29. Level two cache is located on _______.
Joystick
ATX - BTX - Micro ATX - ITX - NLX - and LPX
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the motherboard

30. What does CRT stand for?
2048 x 1536
200
order Boot sequence - Integrated devices - drive controllers - power supply settings
Cathode Ray Tube

31. Before sending a power supply to the recycling facility...
detects and fixes corrupt data in RAM.
Very brief time (milliseconds) of too little voltage
the motherboard
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.

32. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Liquid Crystal Display
Very brief time (milliseconds) of too little voltage
USB Type A
184

33. How many pins is a DDR3 DIMM?
USB Type A
240
Storage
Componentization

34. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Componentization
Network communications

35. 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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
tasks or 'Threads'
verifying data integrity.

36. 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
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-15

37. 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)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Liquid Crystal Display
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

38. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
verifying data integrity.
9-pin serial
Standardization

39. ZIF stands for ______.
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.
3
CMOS
BIOS

40. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
order Boot sequence - Integrated devices - drive controllers - power supply settings
40 or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
184

41. An example of a device that uses a 6-pin Mini-DIN connector.
34
Power failure
Very Brief time (milliseconds) of too much voltage
PS/2-style mouse

42. level three cache is located on _________.
40 or 80
removable chips on the motherboard
CMOS
the CPU

43. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
TRS
144
Single Inline Memory Module - has 30 or 72 contacts on only one side.

44. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
BIOS
TRS
Storage
Speaker

45. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
1600 x 1200
Firmware
B-9 serial
USB Type A

46. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Componentization
USB Type A
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
ECC

47. What is a Blackout?
Radial Lines
Power failure
Firewire 6-pin
34

48. What does LCD stand for?
verifying data integrity.
144
the motherboard
Liquid Crystal Display

49. How many pins is a SODIMM DDR2 DIMM?
Random Access Memory (RAM)
2048 x 1536
DB-15
200

50. Ethernet network
Cathode Ray Tube
RJ-45
Error Correction Code.
184