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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 is DVD-RAM? and how is it used?

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2. A serial mouse connects to a computer with this connector.
VGA/SVGA monitor
9-pin serial
34
Too much voltage

3. What does ECC stand for?
Error Correction Code.
Firewire 6-pin
DB-15
Redundant Array of Independant (Inexpensive) Disks.

4. What does SODIMM stand for?
verifying data integrity.
Coaxial
Small Outline DIMM
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

5. What is a Brownout?
Too little voltage
ECC
Radial Lines
Line Grid Array

6. Printers
Processing
Cache
DB-25 parallel
1024 x 786

7. PGA stands for
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Pin Grid Array
removable chips on the motherboard
Speaker

8. Joystick or MIDI device (game port) - High Density DB-15 - VGA/SVGA monitor - 6-pin Mini-DIN - PS/2-style keyboard or mouse - By convention - purple connectors are used for the keyboard - and green connectors are used for the mouse.
ECC
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
1600 x 1200
DB-15

9. A type of memory that loses data when the power is no longer supplied to the component.
Network communications
1024 x 786
DB-15
Volatile

10. How many pins is a MICRODIMM DIMM?
Too little voltage
144
184
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.

11. Before sending a power supply to the recycling facility...
34
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.
CMOS

12. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
CMOS
Error Correction Code.
Front Side Bus.
2048 x 1536

13. What is Virtual RAM?
Componentization
the motherboard
184
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.

14. 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)
Radial Lines
Standardization
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.
Software

15. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
detects and fixes corrupt data in RAM.
800 x 600
Liquid Crystal Display

16. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
Speaker
Software
ATX - BTX - Micro ATX - ITX - NLX - and LPX

17. ZIF stands for ______.
order Boot sequence - Integrated devices - drive controllers - power supply settings
ECC
CMOS
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.

18. The BIOS is stored on the _______ chip that is on the motherboard.
RJ-11
50 - 68 - or 80
VGA/SVGA monitor
CMOS

19. How many pins is a SODIMM DDR2 DIMM?
CMOS
200
Input
the CPU

20. Spike
Too much voltage
Very Brief time (milliseconds) of too much voltage
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
4

21. What do the type types of Hard Drive acronyms stand for?
2048 x 1536
BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Very Brief time (milliseconds) of too much voltage

22. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
9-pin serial
PS/2-style mouse
CMOS
4

23. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
CMOS
DB-25 parallel
TRS
1600 x 1200

24. An example of a device that uses a TRS connector.
Output
BIOS
Speaker
4

25. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
the motherboard
Speaker
Input
9

26. 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.
Volatile
Random Access Memory (RAM)
CMOS
verifying data integrity.

27. 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.
removable chips on the motherboard
CMOS
BIOS

28. Level one cache is located on ___________.
9-pin serial
Single Inline Memory Module - has 30 or 72 contacts on only one side.
the CPU
4

29. What are the 6 form factors of motherboards?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Serial
the CPU
ATX - BTX - Micro ATX - ITX - NLX - and LPX

30. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
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.
USB Type A
50 - 68 - or 80
3

31. CPUs: What is RISC?
VGA/SVGA monitor
34
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

32. What does SIMM stand for?
Hardware
Output
Single Inline Memory Module - has 30 or 72 contacts on only one side.
ECC

33. An area of memory that holds recently-accessed data.
DB-25
Single Inline Memory Module - has 30 or 72 contacts on only one side.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Cache

34. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Coaxial
4
Serial
CMOS

35. Serial mouse or external modem
B-9 serial
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Too much voltage
removable chips on the motherboard

36. An example of a device that uses a high-density (three-row) DB-15 connector.
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.
Too little voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
VGA/SVGA monitor

37. RAID 5 has at least ___ hard drives.
Coaxial
3
TRS
Line Grid Array

38. 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.
5.25
Networking and Communications
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Very Brief time (milliseconds) of too much voltage

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.
4
Standardization
ECC
Coaxial

40. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Very Brief time (milliseconds) of too much voltage
5.25
PCIe - PCI - AGP - ESIA - and ISA
Serial

41. SVGA is ____ x_____
Software
Random Access Memory (RAM)
B-9 serial
800 x 600

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

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43. Number of Pins for Drives: 3. SATA
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DB-25
240
7 or 15 (powered)

44. What are the 4 main types of storage?
Radial Lines
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Error Correction Code.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

45. SDRAM sands for _______.
800 x 600
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-15
Cache

46. QXGA is ____x____
ECC
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
800 x 600
2048 x 1536

47. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
RJ-11
Radial Lines
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Cache

48. 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
VGA/SVGA monitor
Speaker
CMOS

49. 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.
Software
Output
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.
Componentization

50. level three cache is located on _________.
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.
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.
removable chips on the motherboard