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. 10Base-5 Ethernet and game ports use this cable
DB-15
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Front Side Bus.
Standardization

2. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Volatile
CMOS
Hardware

3. How many pins is a DDR DIMM?
the motherboard
184
TRS
DB-25

4. Printers
DB-25 parallel
CMOS
Firmware
Error Correction Code.

5. Ethernet network
RJ-45
5.25
the CPU
BIOS

6. 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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
the CPU
Line Grid Array
verifying data integrity.

7. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Firmware
Speaker
5.25
RJ-45

8. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Cache
50 - 68 - or 80
Front Side Bus.
PCIe - PCI - AGP - ESIA - and ISA

9. How many pins is a MICRODIMM DIMM?
144
CMOS
Componentization
ECC

10. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Redundant Array of Independant (Inexpensive) Disks.
USB Type A

11. What is a Brownout?
Too little voltage
Firewire 6-pin
34
200

12. Number of Pins for Drives: 2. SCSI
ECC
50 - 68 - or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Small Outline DIMM

13. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Software
Coaxial
Small Outline DIMM
CMOS

14. How many pins is a DDR2 DIMM?
CMOS
240
Front Side Bus.
VGA/SVGA monitor

15. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
9-pin serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Network communications
ECC

16. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
VGA/SVGA monitor
PS/2-style mouse
DB-15

17. Surge
TRS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
USB Type A
Too much voltage

18. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
184
Liquid Crystal Display
DB-25 parallel

19. 10Base-2 Ethernet uses this cable.
Output
Very brief time (milliseconds) of too little voltage
9
Coaxial

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

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21. 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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
tasks or 'Threads'
Single Inline Memory Module - has 30 or 72 contacts on only one side.

22. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Error Correction Code.
Standardization
Input

23. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Networking and Communications
Line Grid Array

24. Number of Pins for Drives: 3. SATA
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
CMOS
3
7 or 15 (powered)

25. 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.
USB Type A
B-9 serial
Networking and Communications
CMOS

26. UXGA is _____x_____
DB-15
1600 x 1200
PS/2-style mouse
Front Side Bus.

27. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Error Correction Code.
Joystick
4
DB-25

28. An example of a device that uses a high-density (three-row) DB-15 connector.
PCIe - PCI - AGP - ESIA - and ISA
VGA/SVGA monitor
RJ-11
ECC

29. What is a Sag?
144
Very brief time (milliseconds) of too little voltage
ECC
detects and fixes corrupt data in RAM.

30. SVGA is ____ x_____
800 x 600
Radial Lines
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
tasks or 'Threads'

31. The BIOS is stored on the _______ chip that is on the motherboard.
tasks or 'Threads'
DB-25 parallel
Volatile
CMOS

32. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
Network communications
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Storage

33. QXGA is ____x____
7 or 15 (powered)
2048 x 1536
Cache
RJ-45

34. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
4
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-25 parallel

35. LGA stands for ______.
Line Grid Array
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Cache
order Boot sequence - Integrated devices - drive controllers - power supply settings

36. RAID stands for _________.
1600 x 1200
Radial Lines
50 - 68 - or 80
Redundant Array of Independant (Inexpensive) Disks.

37. Parallel devices connect to this connector.
4
DB-25
CMOS
Too much voltage

38. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
charged coupled device (CCD)
B-9 serial
Radial Lines
Input

39. What does ECC do?
RJ-45
Output
detects and fixes corrupt data in RAM.
PCIe - PCI - AGP - ESIA - and ISA

40. External modems most commonly connect to this port.
Software
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
40 or 80
Serial

41. RAID 5 has at least ___ hard drives.
RJ-11
3
BIOS
Too little voltage

42. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PS/2-style mouse
TRS
7 or 15 (powered)
PCIe - PCI - AGP - ESIA - and ISA

43. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
184
ECC
Power failure

44. An example of a device that uses a TRS connector.
the motherboard
Speaker
Cache
RJ-45

45. Internal modem or telephone
CMOS
RJ-11
Liquid Crystal Display
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

46. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
4
184
Too little voltage
TRS

47. ZIF stands for ______.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Networking and Communications
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.

48. What are the 6 form factors of motherboards?
Volatile
ATX - BTX - Micro ATX - ITX - NLX - and LPX
PCIe - PCI - AGP - ESIA - and ISA
B-9 serial

49. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
9
Pin Grid Array
Coaxial
charged coupled device (CCD)

50. SCSI code is set by a 4 things - what are they?
Line Grid Array
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Power failure
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS