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

2. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
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
Liquid Crystal Display
184

3. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
DB-15
PS/2-style mouse
Redundant Array of Independant (Inexpensive) Disks.

4. What does ECC stand for?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Firewire 6-pin
Error Correction Code.
Line Grid Array

5. level three cache is located on _________.
144
removable chips on the motherboard
4
PS/2-style mouse

6. 10Base-5 Ethernet and game ports use this cable
DB-15
50 - 68 - or 80
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Liquid Crystal Display

7. What are the 4 main types of storage?
40 or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
200
5.25

8. 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
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.
240

9. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
2048 x 1536
34
Input
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

10. Before sending a power supply to the recycling facility...
TRS
Very brief time (milliseconds) of too little voltage
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.
PS/2-style mouse

11. SCSI code is set by a 4 things - what are they?
184
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
BIOS
charged coupled device (CCD)

12. What are the two types of RAM?
Redundant Array of Independant (Inexpensive) Disks.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Networking and Communications
verifying data integrity.

13. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Front Side Bus.
Cache
Networking and Communications
TRS

14. 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.
Software
verifying data integrity.
tasks or 'Threads'
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

15. What is a Sag?
Firmware
tasks or 'Threads'
Very brief time (milliseconds) of too little voltage
3

16. A serial mouse connects to a computer with this connector.
9-pin serial
Error Correction Code.
Liquid Crystal Display
5.25

17. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Error Correction Code.
Firewire 6-pin
DB-15
CMOS

18. What does CRT stand for?
Cathode Ray Tube
200
9
Too much voltage

19. CPUs: What is RISC?
Software
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Input

20. An example of a device that uses a high-density (three-row) DB-15 connector.
PCIe - PCI - AGP - ESIA - and ISA
TRS
240
VGA/SVGA monitor

21. What is Virtual RAM?
184
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.
5.25
Very brief time (milliseconds) of too little voltage

22. What is a Brownout?
the CPU
Too little voltage
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.
5.25

23. Number of Pins for Drives: 4. FDD
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
240
34
ECC

24. Serial ports have this many pins.
the motherboard
Random Access Memory (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.
9

25. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Standardization
DB-15
Firmware

26. 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.
Firewire 6-pin
Standardization
240
Network communications

27. Serial mouse or external modem
Cathode Ray Tube
B-9 serial
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.

28. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
detects and fixes corrupt data in RAM.
40 or 80
Small Outline DIMM

29. An example of firmware.
DB-15
PS/2-style mouse
DB-25 parallel
BIOS

30. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Too little voltage
4
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Processing

31. External modems most commonly connect to this port.
Serial
144
Network communications
removable chips on the motherboard

32. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Very Brief time (milliseconds) of too much voltage
Very brief time (milliseconds) of too little voltage
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.

33. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
DB-25 parallel
RJ-45
Storage

34. What does LCD stand for?
CMOS
Liquid Crystal Display
Line Grid Array
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

35. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
1024 x 786
the motherboard
Volatile

36. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
34
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)
USB Type A

37. QXGA is ____x____
184
Serial
2048 x 1536
Single Inline Memory Module - has 30 or 72 contacts on only one side.

38. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
PS/2-style mouse
Output
the motherboard
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

39. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Output
9
Radial Lines
Redundant Array of Independant (Inexpensive) Disks.

40. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
TRS
charged coupled device (CCD)
4
Input

41. How many pins is a SODIMM DDR DIMM?
DB-15
Serial
144
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

42. An example of a device that uses a TRS connector.
Too little voltage
7 or 15 (powered)
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Speaker

43. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
detects and fixes corrupt data in RAM.
Storage
3
Network communications

44. How many pins is a DDR DIMM?
184
240
Output
4

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

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46. What is the formal name of the 'headphone jack'?
Networking and Communications
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
order Boot sequence - Integrated devices - drive controllers - power supply settings
Single Inline Memory Module - has 30 or 72 contacts on only one side.

47. An area of memory that holds recently-accessed data.
Cathode Ray Tube
4
Too little voltage
Cache

48. What does RIMM stand for?
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
Networking and Communications
charged coupled device (CCD)

49. SDRAM sands for _______.
Volatile
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
7 or 15 (powered)

50. A temporary data storage location that can be read from and written to.
240
Random Access Memory (RAM)
Power failure
PCIe - PCI - AGP - ESIA - and ISA