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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. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
VGA/SVGA monitor
Storage
Componentization

2. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
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.
TRS
2048 x 1536

3. What is the formal name of the 'headphone jack'?
144
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Line Grid Array
Liquid Crystal Display

4. Number of Pins for Drives: 4. FDD
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.
34
TRS
Software

5. 10Base-5 Ethernet and game ports use this cable
DB-15
Pin Grid Array
Radial Lines
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

6. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
the motherboard
Very Brief time (milliseconds) of too much voltage
7 or 15 (powered)

7. level three cache is located on _________.
Output
removable chips on the motherboard
Network communications
Software

8. Ethernet network
DB-25 parallel
RJ-45
Cache
Front Side Bus.

9. An area of memory that holds recently-accessed data.
Too much voltage
Error Correction Code.
DB-25
Cache

10. Parallel devices connect to this connector.
DB-25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
CMOS
Pin Grid Array

11. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
2048 x 1536
34
4
Speaker

12. What does LCD stand for?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Hardware
2048 x 1536
Liquid Crystal Display

13. RAID 5 has at least ___ hard drives.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
3
Very Brief time (milliseconds) of too much voltage
the motherboard

14. An example of firmware.
BIOS
Too little voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings
Componentization

15. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
DB-15
40 or 80
Radial Lines
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.

16. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Error Correction Code.
CMOS
50 - 68 - or 80
4

17. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
Radial Lines
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
4

18. ZIF stands for ______.
Software
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.
Too much voltage
B-9 serial

19. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
ATX - BTX - Micro ATX - ITX - NLX - and LPX
184
1024 x 786

20. Surge
Pin Grid Array
Too much voltage
tasks or 'Threads'
Networking and Communications

21. Printers
B-9 serial
DB-25 parallel
Radial Lines
ATX - BTX - Micro ATX - ITX - NLX - and LPX

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

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23. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
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.
40 or 80

24. 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.
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.
Networking and Communications
Componentization
Processing

25. SDRAM sands for _______.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Cache
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
the CPU

26. A serial mouse connects to a computer with this connector.
9-pin serial
Processing
Too little voltage
Cathode Ray Tube

27. How many pins is a DDR DIMM?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
9
184
DB-25

28. What are the two types of RAM?
200
Liquid Crystal Display
USB Type A
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

29. 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.
ECC
RJ-11
240
DB-15

30. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Small Outline DIMM
CMOS
Very Brief time (milliseconds) of too much voltage
240

31. Serial ports have this many pins.
Redundant Array of Independant (Inexpensive) Disks.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Speaker
9

32. Number of Pins for Drives: 2. SCSI
PS/2-style mouse
50 - 68 - or 80
detects and fixes corrupt data in RAM.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

33. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
the CPU
ECC
Storage

34. 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)
144
Software
50 - 68 - or 80
Random Access Memory (RAM)

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.
verifying data integrity.
Very Brief time (milliseconds) of too much voltage
240
4

36. An example of a device that uses a low-density (two-row) male DB-15 connector.
Power failure
Firewire 6-pin
Joystick
200

37. How many pins is a DDR3 DIMM?
240
Liquid Crystal Display
the motherboard
Output

38. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
TRS
Input

39. 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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Standardization
PCIe - PCI - AGP - ESIA - and ISA
Too little voltage

40. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Volatile
9-pin serial
5.25
Random Access Memory (RAM)

41. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
removable chips on the motherboard
Very brief time (milliseconds) of too little voltage
USB Type A

42. 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
7 or 15 (powered)
Joystick

43. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Random Access Memory (RAM)
Front Side Bus.
800 x 600
Output

44. LGA stands for ______.
BIOS
Line Grid Array
Hardware
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

45. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-15
7 or 15 (powered)
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.

46. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
B-9 serial
BIOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

47. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Processing
1600 x 1200
DB-25

48. UXGA is _____x_____
1600 x 1200
ECC
144
BIOS

49. Level one cache is located on ___________.
Error Correction Code.
the CPU
DB-25 parallel
Random Access Memory (RAM)

50. An example of a device that uses a 6-pin Mini-DIN connector.
Cache
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
VGA/SVGA monitor
PS/2-style mouse