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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 is Virtual RAM?
9
1024 x 786
DB-15
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.

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

3. What does CRT stand for?
removable chips on the motherboard
VGA/SVGA monitor
Cathode Ray Tube
Volatile

4. ZIF stands for ______.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
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.
40 or 80

5. Spike
184
1600 x 1200
Very Brief time (milliseconds) of too much voltage
Processing

6. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
tasks or 'Threads'
DB-15
Firewire 6-pin

7. Internal modem or telephone
800 x 600
tasks or 'Threads'
RJ-11
CMOS

8. What is a Brownout?
BIOS
PCIe - PCI - AGP - ESIA - and ISA
Too little voltage
Joystick

9. 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.
144
9
verifying data integrity.
1024 x 786

10. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
PCIe - PCI - AGP - ESIA - and ISA
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Liquid Crystal Display

11. What does RIMM stand for?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
PS/2-style mouse
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

12. 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
9
CMOS
Serial

13. 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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
144
verifying data integrity.

14. An example of firmware.
CMOS
Line Grid Array
Small Outline DIMM
BIOS

15. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Processing
B-9 serial
Hardware

16. 10Base-5 Ethernet and game ports use this cable
Storage
Liquid Crystal Display
BIOS
DB-15

17. What are the 4 main types of storage?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Network communications
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

18. PGA stands for
charged coupled device (CCD)
Pin Grid Array
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Standardization

19. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
tasks or 'Threads'
VGA/SVGA monitor
Coaxial

20. How many pins is a DDR2 DIMM?
detects and fixes corrupt data in RAM.
verifying data integrity.
240
PCIe - PCI - AGP - ESIA - and ISA

21. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Front Side Bus.
Speaker
Storage
Too much voltage

22. Level two cache is located on _______.
9
the motherboard
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
PCIe - PCI - AGP - ESIA - and ISA

23. The BIOS is stored on the _______ chip that is on the motherboard.
Liquid Crystal Display
B-9 serial
Line Grid Array
CMOS

24. QXGA is ____x____
Redundant Array of Independant (Inexpensive) Disks.
2048 x 1536
Cathode Ray Tube
Front Side Bus.

25. 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.
Redundant Array of Independant (Inexpensive) Disks.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Componentization
800 x 600

26. Serial ports have this many pins.
CMOS
Power failure
9
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

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

28. A temporary data storage location that can be read from and written to.
the CPU
DB-25 parallel
Random Access Memory (RAM)
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.

29. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
5.25
Very brief time (milliseconds) of too little voltage
Pin Grid Array

30. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
184
3
50 - 68 - or 80
ECC

31. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
TRS
Serial
Cathode Ray Tube

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

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33. What is VRAM used for?
2048 x 1536
Network communications
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
PS/2-style mouse

34. level three cache is located on _________.
DB-15
RJ-11
removable chips on the motherboard
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

35. UXGA is _____x_____
Too much voltage
B-9 serial
1600 x 1200
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.

36. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
VGA/SVGA monitor
Standardization
Hardware
Redundant Array of Independant (Inexpensive) Disks.

37. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
Serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Very brief time (milliseconds) of too little voltage

38. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
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.
40 or 80
5.25
Cache

39. An example of a device that uses a low-density (two-row) male DB-15 connector.
1600 x 1200
Power failure
Joystick
Firmware

40. SDRAM sands for _______.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Power failure
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Firewire 6-pin

41. 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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
verifying data integrity.
DB-15

42. What does ECC do?
DB-15
detects and fixes corrupt data in RAM.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Error Correction Code.

43. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
34
Output
Radial Lines
Input

44. Parity is used in some _____________ - hard drives - and RAM.
DB-15
removable chips on the motherboard
Network communications
USB Type A

45. External modems most commonly connect to this port.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
ECC
184
Serial

46. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Very Brief time (milliseconds) of too much voltage
detects and fixes corrupt data in RAM.
TRS

47. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
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.
DB-15
CMOS

48. Ethernet network
9
RJ-45
4
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

49. What is the formal name of the 'headphone jack'?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Too much voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
4

50. What does LCD stand for?
Cathode Ray Tube
Liquid Crystal Display
1024 x 786
Networking and Communications