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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. What is a Brownout?
Joystick
Too little voltage
DB-15
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

2. An area of memory that holds recently-accessed data.
40 or 80
B-9 serial
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.
Cache

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

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4. 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.
CMOS
144
Network communications
Standardization

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.
Radial Lines
CMOS
detects and fixes corrupt data in RAM.
verifying data integrity.

6. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
VGA/SVGA monitor
Too little voltage
verifying data integrity.
Front Side Bus.

7. What does SODIMM stand for?
BIOS
Power failure
the motherboard
Small Outline DIMM

8. RAID 5 has at least ___ hard drives.
Network communications
ATX - BTX - Micro ATX - ITX - NLX - and LPX
3
the CPU

9. Level two cache is located on _______.
charged coupled device (CCD)
TRS
the motherboard
Standardization

10. LGA stands for ______.
Very brief time (milliseconds) of too little voltage
9
Cache
Line Grid Array

11. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Coaxial
Error Correction Code.
Software

12. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
Front Side Bus.
PCIe - PCI - AGP - ESIA - and ISA
CMOS

13. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
240
RJ-45
BIOS

14. What does ECC stand for?
Line Grid Array
ECC
Error Correction Code.
Front Side Bus.

15. How many pins is a SODIMM DDR DIMM?
RJ-45
Componentization
the CPU
144

16. Ethernet network
RJ-45
144
BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

17. 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.
Firewire 6-pin
Standardization
Power failure

18. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
the motherboard
ECC
34
Firewire 6-pin

19. Number of Pins for Drives: 2. SCSI
B-9 serial
Error Correction Code.
50 - 68 - or 80
240

20. Level one cache is located on ___________.
DB-15
the CPU
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Processing

21. How many pins is a MICRODIMM DIMM?
34
144
DB-15
184

22. What are the 4 main types of storage?
Coaxial
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
order Boot sequence - Integrated devices - drive controllers - power supply settings
1600 x 1200

23. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
BIOS
TRS
144
DB-15

24. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
charged coupled device (CCD)
Very Brief time (milliseconds) of too much voltage
240

25. Number of Pins for Drives: 3. SATA
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Network communications
7 or 15 (powered)
Componentization

26. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Cache
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Firmware
verifying data integrity.

27. Spike
Very Brief time (milliseconds) of too much voltage
7 or 15 (powered)
1600 x 1200
CMOS

28. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Firmware
PCIe - PCI - AGP - ESIA - and ISA
USB Type A
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

29. 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.
Software
Componentization
Networking and Communications
detects and fixes corrupt data in RAM.

30. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
9
ATX - BTX - Micro ATX - ITX - NLX - and LPX
144
5.25

31. SVGA is ____ x_____
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1024 x 786
800 x 600
Cache

32. SCSI code is set by a 4 things - what are they?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Small Outline DIMM
USB Type A

33. QXGA is ____x____
Componentization
1024 x 786
2048 x 1536
tasks or 'Threads'

34. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
B-9 serial
CMOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Radial Lines

35. Internal modem or telephone
Software
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Radial Lines
RJ-11

36. UXGA is _____x_____
1600 x 1200
CMOS
Hardware
Componentization

37. The BIOS is stored on the _______ chip that is on the motherboard.
9
800 x 600
tasks or 'Threads'
CMOS

38. Parity is used in some _____________ - hard drives - and RAM.
Storage
Network communications
Coaxial
Radial Lines

39. CPUS: What is CISC?
Radial Lines
DB-15
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Serial

40. External modems most commonly connect to this port.
Networking and Communications
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
TRS
Serial

41. Surge
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.
Too much voltage
BIOS
Joystick

42. An example of a device that uses a low-density (two-row) male DB-15 connector.
PCIe - PCI - AGP - ESIA - and ISA
Joystick
240
Hardware

43. What does SIMM stand for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Cathode Ray Tube
Storage

44. How many pins is a DDR2 DIMM?
Storage
Front Side Bus.
removable chips on the motherboard
240

45. Serial ports have this many pins.
removable chips on the motherboard
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS
9

46. A temporary data storage location that can be read from and written to.
removable chips on the motherboard
Random Access Memory (RAM)
2048 x 1536
CMOS

47. An example of a device that uses a 6-pin Mini-DIN connector.
DB-25
PS/2-style mouse
the motherboard
removable chips on the motherboard

48. What does RIMM stand for?
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
ECC
Serial

49. What does ECC do?
Speaker
Volatile
Liquid Crystal Display
detects and fixes corrupt data in RAM.

50. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
240
Volatile
charged coupled device (CCD)
PCIe - PCI - AGP - ESIA - and ISA

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Comptia A +: Hardware

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