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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. What does RIMM stand for?
Too little voltage
tasks or 'Threads'
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Power failure

2. Ethernet network
144
RJ-45
Networking and Communications
Too much voltage

3. The BIOS is stored on the _______ chip that is on the motherboard.
removable chips on the motherboard
2048 x 1536
Speaker
CMOS

4. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Power failure
Radial Lines
CMOS
RJ-45

5. What is a Sag?
Too little voltage
34
Very brief time (milliseconds) of too little voltage
BIOS

6. Serial mouse or external modem
DB-15
Cache
Volatile
B-9 serial

7. Parity is used in some _____________ - hard drives - and RAM.
detects and fixes corrupt data in RAM.
Network communications
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

8. CPUS: What is CISC?
RJ-45
Complex -Instruction - Set - Chips - Used in General Purpose PCs
charged coupled device (CCD)
3

9. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
240
Coaxial
charged coupled device (CCD)

10. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
3
DB-25 parallel
Too much voltage

11. 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.
Hardware
Componentization
Processing
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

12. How many pins is a DDR3 DIMM?
240
Random Access Memory (RAM)
144
the motherboard

13. What are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Error Correction Code.
144
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

14. What is a Blackout?
tasks or 'Threads'
Power failure
RJ-45
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

15. Internal modem or telephone
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
800 x 600
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.
RJ-11

16. CPUs: What is RISC?
order Boot sequence - Integrated devices - drive controllers - power supply settings
184
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

17. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
144
50 - 68 - or 80
Random Access Memory (RAM)

18. RAID 5 has at least ___ hard drives.
Processing
2048 x 1536
1600 x 1200
3

19. level three cache is located on _________.
removable chips on the motherboard
144
9
RJ-11

20. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Line Grid Array
CMOS
200
9-pin serial

21. ZIF stands for ______.
verifying data integrity.
240
1600 x 1200
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.

22. SVGA is ____ x_____
800 x 600
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
VGA/SVGA monitor
Componentization

23. 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.
Very Brief time (milliseconds) of too much voltage
Hardware
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.
verifying data integrity.

24. How many pins is a DDR DIMM?
3
184
VGA/SVGA monitor
B-9 serial

25. UXGA is _____x_____
1600 x 1200
Power failure
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
3

26. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
verifying data integrity.
Networking and Communications
DB-25

27. Parallel devices connect to this connector.
Power failure
50 - 68 - or 80
DB-25
Pin Grid Array

28. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
Redundant Array of Independant (Inexpensive) Disks.
40 or 80
RJ-45

29. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
DB-25 parallel
Too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
TRS

30. How many pins is a SODIMM DDR2 DIMM?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Software
200
5.25

31. A serial mouse connects to a computer with this connector.
9-pin serial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
7 or 15 (powered)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

32. What is a Brownout?
Too little voltage
Software
Processing
BIOS

33. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
RJ-45
ECC
200

34. Number of Pins for Drives: 4. FDD
34
DB-15
9
RJ-45

35. Surge
5.25
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
PCIe - PCI - AGP - ESIA - and ISA
Too much voltage

36. An example of a device that uses a low-density (two-row) male DB-15 connector.
Power failure
3
Joystick
DB-25

37. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
PS/2-style mouse
Error Correction Code.
Front Side Bus.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

38. What is Virtual 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.
Serial
Networking and Communications
CMOS

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.
ECC
VGA/SVGA monitor
5.25
Standardization

40. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
9
Input
Pin Grid Array

41. What does CRT stand for?
tasks or 'Threads'
Cathode Ray Tube
BIOS
144

42. What does SODIMM stand for?
Output
PS/2-style mouse
144
Small Outline DIMM

43. What does LCD stand for?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Liquid Crystal Display
Random Access Memory (RAM)
5.25

44. What are the 6 form factors of motherboards?
Serial
34
Too little voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX

45. Spike
1600 x 1200
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.
Very Brief time (milliseconds) of too much voltage
CMOS

46. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
240
Storage
800 x 600
144

47. What do the type types of Hard Drive acronyms stand for?
9
B-9 serial
Processing
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

48. PGA stands for
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Redundant Array of Independant (Inexpensive) Disks.
Pin Grid Array
Output

49. An example of firmware.
BIOS
5.25
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Very brief time (milliseconds) of too little voltage

50. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
charged coupled device (CCD)
Processing
Networking and Communications
Coaxial