Test your basic knowledge |

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. Level one cache is located on ___________.
the CPU
DB-25
RJ-11
BIOS

2. RAID 5 has at least ___ hard drives.
240
USB Type A
3
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

3. 10Base-2 Ethernet uses this cable.
Liquid Crystal Display
BIOS
Coaxial
Very brief time (milliseconds) of too little voltage

4. What does ECC stand for?
Firmware
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Error Correction Code.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

5. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
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.
Radial Lines
B-9 serial
Input

6. Level two cache is located on _______.
34
Very Brief time (milliseconds) of too much voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
the motherboard

7. An example of a device that uses a TRS connector.
Cathode Ray Tube
Coaxial
Speaker
184

8. How many pins is a DDR3 DIMM?
Pin Grid Array
B-9 serial
240
verifying data integrity.

9. Networking is a specialized form of input and output that entails using media (cable) and devices (routers - switches) to link multiple computers into an interconnected unit.
DB-15
DB-25
ECC
Networking and Communications

10. Serial ports have this many pins.
Random Access Memory (RAM)
B-9 serial
Firewire 6-pin
9

11. The BIOS is stored on the _______ chip that is on the motherboard.
Radial Lines
CMOS
Componentization
Error Correction Code.

12. A type of memory that loses data when the power is no longer supplied to the component.
DB-15
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Speaker
Volatile

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

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14. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
800 x 600
charged coupled device (CCD)
9
240

15. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
tasks or 'Threads'
144
USB Type A
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

16. XGA is ____x_____
1024 x 786
Firmware
1600 x 1200
144

17. Before sending a power supply to the recycling facility...
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.
Network communications
34
CMOS

18. What are the 6 form factors of motherboards?
4
the motherboard
ATX - BTX - Micro ATX - ITX - NLX - and LPX
CMOS

19. Parity is used in some _____________ - hard drives - and RAM.
BIOS
Software
Network communications
Redundant Array of Independant (Inexpensive) Disks.

20. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
detects and fixes corrupt data in RAM.
Firewire 6-pin
RJ-11
PCIe - PCI - AGP - ESIA - and ISA

21. Serial mouse or external modem
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
B-9 serial
34
Line Grid Array

22. Parallel devices connect to this connector.
Very brief time (milliseconds) of too little voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-25
Pin Grid Array

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

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24. An example of a device that uses a high-density (three-row) DB-15 connector.
Liquid Crystal Display
Output
VGA/SVGA monitor
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

25. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Coaxial
the CPU
ECC
RJ-45

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.
Standardization
3
charged coupled device (CCD)
Software

27. 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.
B-9 serial
240
800 x 600

28. Number of Pins for Drives: 2. SCSI
Random Access Memory (RAM)
Coaxial
order Boot sequence - Integrated devices - drive controllers - power supply settings
50 - 68 - or 80

29. What are the two types of RAM?
40 or 80
CMOS
144
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

30. An example of firmware.
Too little voltage
1600 x 1200
BIOS
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.

31. How many pins is a SODIMM DDR2 DIMM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
200
Input
PCIe - PCI - AGP - ESIA - and ISA

32. level three cache is located on _________.
removable chips on the motherboard
184
Networking and Communications
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.

33. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
DB-15
Storage
34
DB-25 parallel

34. 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.
detects and fixes corrupt data in RAM.
VGA/SVGA monitor
DB-15
Too little voltage

35. LGA stands for ______.
200
184
Input
Line Grid Array

36. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Cathode Ray Tube
240
Hardware
Single Inline Memory Module - has 30 or 72 contacts on only one side.

37. 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
Power failure
Storage
9-pin serial

38. A temporary data storage location that can be read from and written to.
Software
Small Outline DIMM
Random Access Memory (RAM)
DB-25

39. External modems most commonly connect to this port.
RJ-11
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Serial
240

40. Ethernet network
Networking and Communications
Network communications
RJ-45
BIOS

41. How many pins is a DDR DIMM?
DB-15
Output
184
VGA/SVGA monitor

42. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
1600 x 1200
9-pin serial
Output
34

43. An example of a device that uses a low-density (two-row) male DB-15 connector.
240
Joystick
1024 x 786
9

44. PGA stands for
Redundant Array of Independant (Inexpensive) Disks.
144
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.
Pin Grid Array

45. What does CRT stand for?
7 or 15 (powered)
1024 x 786
Cathode Ray Tube
3

46. SCSI code is set by a 4 things - what are they?
BIOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Processing
DB-15

47. QXGA is ____x____
144
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.
144
2048 x 1536

48. SDRAM sands for _______.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Very Brief time (milliseconds) of too much voltage

49. What are the 4 main types of storage?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
PS/2-style mouse
Liquid Crystal Display
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

50. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
2048 x 1536
50 - 68 - or 80