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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 a Brownout?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Too little voltage
tasks or 'Threads'

2. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DB-15
240

3. 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.
Radial Lines
verifying data integrity.
TRS
240

4. An area of memory that holds recently-accessed data.
Processing
Joystick
Cache
Power failure

5. What is the formal name of the 'headphone jack'?
the motherboard
Standardization
Single Inline Memory Module - has 30 or 72 contacts on only one side.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

6. Printers
800 x 600
DB-25 parallel
Input
200

7. How many pins is a SODIMM DDR2 DIMM?
184
CMOS
200
the motherboard

8. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
DB-25 parallel
Hardware
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Serial

9. Number of Pins for Drives: 2. SCSI
BIOS
50 - 68 - or 80
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Very brief time (milliseconds) of too little voltage

10. What does SODIMM stand for?
Small Outline DIMM
CMOS
9
VGA/SVGA monitor

11. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
BIOS
Redundant Array of Independant (Inexpensive) Disks.
9

12. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Speaker
Processing
Firewire 6-pin
40 or 80

13. RAID 5 has at least ___ hard drives.
Input
verifying data integrity.
40 or 80
3

14. Number of Pins for Drives: 3. SATA
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
7 or 15 (powered)
34
detects and fixes corrupt data in RAM.

15. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
5.25
DB-25 parallel
RJ-11

16. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
tasks or 'Threads'
Error Correction Code.

17. 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
the CPU
Very Brief time (milliseconds) of too much voltage
50 - 68 - or 80

18. PGA stands for
Joystick
Output
Pin Grid Array
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

19. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
240
ECC
Very brief time (milliseconds) of too little voltage
Radial Lines

20. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
the motherboard
5.25
Redundant Array of Independant (Inexpensive) Disks.
Complex -Instruction - Set - Chips - Used in General Purpose PCs

21. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
Pin Grid Array
2048 x 1536
9-pin serial

22. 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.
B-9 serial
Standardization
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Software

23. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Complex -Instruction - Set - Chips - Used in General Purpose PCs
50 - 68 - or 80
Processing
3

24. An example of a device that uses a TRS connector.
PS/2-style mouse
Standardization
Speaker
240

25. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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
Error Correction Code.

26. What does ECC do?
detects and fixes corrupt data in RAM.
Output
CMOS
240

27. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
VGA/SVGA monitor
Line Grid Array
TRS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

28. The BIOS is stored on the _______ chip that is on the motherboard.
B-9 serial
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
CMOS

29. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Processing
Standardization
Input
3

30. What are the two types of RAM?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
144
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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

31. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
BIOS
Standardization
Speaker

32. Number of Pins for Drives: 4. FDD
the motherboard
34
800 x 600
200

33. LGA stands for ______.
Too little voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Line Grid Array

34. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Power failure
Too little voltage
CMOS
144

35. A type of memory that loses data when the power is no longer supplied to the component.
Processing
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
800 x 600
Volatile

36. RAID stands for _________.
ECC
184
tasks or 'Threads'
Redundant Array of Independant (Inexpensive) Disks.

37. Before sending a power supply to the recycling facility...
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
VGA/SVGA monitor

38. What does SIMM stand for?
144
DB-25
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Networking and Communications

39. What does CRT stand for?
1024 x 786
Cathode Ray Tube
removable chips on the motherboard
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

40. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
9
Firmware
Random Access Memory (RAM)
RJ-45

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.
Storage
Componentization
40 or 80
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

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

43. Level two cache is located on _______.
the motherboard
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Volatile
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

44. How many pins is a DDR DIMM?
184
USB Type A
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
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.

45. What does LCD stand for?
PCIe - PCI - AGP - ESIA - and ISA
Joystick
Liquid Crystal Display
BIOS

46. SDRAM sands for _______.
Firmware
Very Brief time (milliseconds) of too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
2048 x 1536

47. Serial mouse or external modem
Very Brief time (milliseconds) of too much voltage
B-9 serial
removable chips on the motherboard
VGA/SVGA monitor

48. What is Virtual RAM?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
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.
9-pin serial
Networking and Communications

49. CPUs: What is RISC?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DB-25 parallel
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Componentization

50. How many pins is a SODIMM DDR DIMM?
the CPU
144
DB-25 parallel
Network communications