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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
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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. Multiple core allow the PC to simultaneously process multiple ______.

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2. level three cache is located on _________.
184
removable chips on the motherboard
4
charged coupled device (CCD)

3. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
CMOS
Processing
Joystick
B-9 serial

4. An example of a device that uses a TRS connector.
Input
Speaker
144
BIOS

5. 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.
Pin Grid Array
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RJ-11
verifying data integrity.

6. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Storage
PCIe - PCI - AGP - ESIA - and ISA
Speaker
Front Side Bus.

7. CPUs: What is RISC?
240
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Front Side Bus.
BIOS

8. What does LCD stand for?
Radial Lines
Liquid Crystal Display
DB-15
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

9. How many pins is a DDR2 DIMM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Input
240
PCIe - PCI - AGP - ESIA - and ISA

10. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
9-pin serial
Processing
Hardware
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

11. 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)
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
the CPU
Small Outline DIMM

12. 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
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Single Inline Memory Module - has 30 or 72 contacts on only one side.

13. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
DB-25
charged coupled device (CCD)
TRS

14. Number of Pins for Drives: 4. FDD
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
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.
34
DB-25 parallel

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

16. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
50 - 68 - or 80
CMOS
144
Componentization

17. What does CRT stand for?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Cathode Ray Tube
DB-15
Power failure

18. What is VRAM used for?
4
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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

19. External modems most commonly connect to this port.
USB Type A
Serial
CMOS
Redundant Array of Independant (Inexpensive) Disks.

20. 10Base-2 Ethernet uses this cable.
Coaxial
Too little voltage
Hardware
Very brief time (milliseconds) of too little voltage

21. Ethernet network
RJ-45
144
Line Grid Array
9

22. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Random Access Memory (RAM)
the CPU
Power failure
USB Type A

23. How many pins is a SODIMM DDR2 DIMM?
240
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
CMOS
200

24. Internal modem or telephone
RJ-11
Network communications
USB Type A
34

25. Number of Pins for Drives: 3. SATA
Serial
7 or 15 (powered)
Error Correction Code.
Volatile

26. XGA is ____x_____
240
RJ-45
CMOS
1024 x 786

27. QXGA is ____x____
Output
VGA/SVGA monitor
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
2048 x 1536

28. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
144
the CPU
the motherboard

29. 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.
Error Correction Code.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
ATX - BTX - Micro ATX - ITX - NLX - and LPX

30. RAID 5 has at least ___ hard drives.
Front Side Bus.
3
Speaker
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

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

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32. 10Base-5 Ethernet and game ports use this cable
50 - 68 - or 80
DB-15
Error Correction Code.
Processing

33. What does SODIMM stand for?
144
Small Outline DIMM
2048 x 1536
Hardware

34. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Very brief time (milliseconds) of too little voltage
TRS
Componentization
9

35. Level one cache is located on ___________.
RJ-11
the CPU
40 or 80
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.

36. An example of a device that uses a 6-pin Mini-DIN connector.
34
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.
PS/2-style mouse
Firewire 6-pin

37. How many pins is a MICRODIMM DIMM?
144
Hardware
Liquid Crystal Display
charged coupled device (CCD)

38. 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
PS/2-style mouse
Power failure
7 or 15 (powered)

39. UXGA is _____x_____
144
Power failure
1600 x 1200
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

40. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Too much voltage
Radial Lines
Front Side Bus.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

41. Parity is used in some _____________ - hard drives - and RAM.
Very brief time (milliseconds) of too little voltage
Network communications
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
removable chips on the motherboard

42. Serial mouse or external modem
Very brief time (milliseconds) of too little voltage
CMOS
B-9 serial
Pin Grid Array

43. How many pins is a DDR DIMM?
Serial
CMOS
CMOS
184

44. What is a Brownout?
Too little voltage
ECC
TRS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

45. What are the two types of RAM?
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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Too little voltage
Standardization

46. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
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.
Redundant Array of Independant (Inexpensive) Disks.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

47. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Storage
the CPU
40 or 80
Firewire 6-pin

48. 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
9
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
144

49. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Joystick
200
Cathode Ray Tube

50. ZIF stands for ______.
Radial Lines
9
184
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.

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Comptia A +: Hardware

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