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. RAID 5 has at least ___ hard drives.
Software
3
9
Networking and Communications

2. BIOS allows you to do 4 things - what are they?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Front Side Bus.
order Boot sequence - Integrated devices - drive controllers - power supply settings
9-pin serial

3. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Very brief time (milliseconds) of too little voltage
RJ-45
CMOS
USB Type A

4. What does SODIMM stand for?
B-9 serial
Input
Small Outline DIMM
Complex -Instruction - Set - Chips - Used in General Purpose PCs

5. How many pins is a SODIMM DDR2 DIMM?
Networking and Communications
VGA/SVGA monitor
200
Too much voltage

6. What are the two types of RAM?
1600 x 1200
Too much voltage
Speaker
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

7. How many pins is a DDR3 DIMM?
3
240
Cathode Ray Tube
charged coupled device (CCD)

8. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
the CPU
184
Small Outline DIMM

9. How many pins is a DDR DIMM?
Very Brief time (milliseconds) of too much voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
184
Coaxial

10. External modems most commonly connect to this port.
BIOS
PCIe - PCI - AGP - ESIA - and ISA
BIOS
Serial

11. 10Base-2 Ethernet uses this cable.
charged coupled device (CCD)
Coaxial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Pin Grid Array

12. Parallel devices connect to this connector.
DB-15
DB-25
184
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

13. XGA is ____x_____
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Componentization
1024 x 786

14. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1600 x 1200

15. Number of Pins for Drives: 4. FDD
the motherboard
Network communications
4
34

16. What is VRAM used for?
240
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Standardization
Radial Lines

17. 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)
verifying data integrity.
Network communications
Software
VGA/SVGA monitor

18. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Volatile
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
PCIe - PCI - AGP - ESIA - and ISA

19. LGA stands for ______.
RJ-45
Line Grid Array
9
charged coupled device (CCD)

20. A type of memory that loses data when the power is no longer supplied to the component.
TRS
RJ-45
Volatile
Standardization

21. Before sending a power supply to the recycling facility...
PS/2-style mouse
50 - 68 - or 80
tasks or 'Threads'
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.

22. How many pins is a DDR2 DIMM?
BIOS
RJ-45
Standardization
240

23. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
DB-25
2048 x 1536
BIOS
4

24. 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.
Networking and Communications
order Boot sequence - Integrated devices - drive controllers - power supply settings
2048 x 1536
240

25. An example of a device that uses a high-density (three-row) DB-15 connector.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
VGA/SVGA monitor
detects and fixes corrupt data in RAM.
Firewire 6-pin

26. SVGA is ____ x_____
Pin Grid Array
Cathode Ray Tube
800 x 600
144

27. An example of a device that uses a TRS connector.
Redundant Array of Independant (Inexpensive) Disks.
Speaker
Volatile
9

28. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
B-9 serial
Storage
order Boot sequence - Integrated devices - drive controllers - power supply settings
tasks or 'Threads'

29. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
the CPU
ECC
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Volatile

30. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
Hardware
3
CMOS

31. Internal modem or telephone
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
RJ-11
detects and fixes corrupt data in RAM.
800 x 600

32. The actual speed of the CPU is governed by a _______ setting called the clock rate.
40 or 80
ECC
BIOS
DB-15

33. Serial ports have this many pins.
the CPU
BIOS
9
Too much voltage

34. Surge
DB-15
Too much voltage
CMOS
tasks or 'Threads'

35. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Cathode Ray Tube
Processing

36. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Radial Lines
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Firmware
34

37. What is Virtual RAM?
Speaker
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.
Too little voltage

38. How many pins is a SODIMM DDR DIMM?
40 or 80
144
Power failure
Software

39. Ethernet network
RJ-45
240
DB-25 parallel
Very Brief time (milliseconds) of too much voltage

40. SDRAM sands for _______.
Cathode Ray Tube
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Redundant Array of Independant (Inexpensive) Disks.
Software

41. 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.
Small Outline DIMM
verifying data integrity.
Power failure
7 or 15 (powered)

42. What do the type types of Hard Drive acronyms stand for?
DB-25
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
BIOS
40 or 80

43. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Storage
PS/2-style mouse
9-pin serial

44. An example of a device that uses a low-density (two-row) male DB-15 connector.
Small Outline DIMM
Joystick
Firewire 6-pin
200

45. Level one cache is located on ___________.
Pin Grid Array
184
the CPU
Coaxial

46. What does LCD stand for?
Liquid Crystal Display
the CPU
CMOS
Standardization

47. ZIF stands for ______.
Cathode Ray Tube
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.
7 or 15 (powered)
BIOS

48. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Standardization
Componentization
2048 x 1536
40 or 80

49. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Firewire 6-pin
DB-15
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

50. Spike
removable chips on the motherboard
40 or 80
Very Brief time (milliseconds) of too much voltage
USB Type A