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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. 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
B-9 serial
7 or 15 (powered)
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.

2. How many pins is a DDR3 DIMM?
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.
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Radial Lines

3. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
USB Type A
9-pin serial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

4. level three cache is located on _________.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
184
removable chips on the motherboard
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

5. LGA stands for ______.
Line Grid Array
Software
the motherboard
Complex -Instruction - Set - Chips - Used in General Purpose PCs

6. What does ECC stand for?
Redundant Array of Independant (Inexpensive) Disks.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Error Correction Code.
Power failure

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

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8. Before sending a power supply to the recycling facility...
Liquid Crystal Display
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.
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.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

9. A type of memory that loses data when the power is no longer supplied to the component.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
9-pin serial
Volatile
Firmware

10. Number of Pins for Drives: 2. SCSI
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
PCIe - PCI - AGP - ESIA - and ISA
50 - 68 - or 80
B-9 serial

11. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Networking and Communications
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
PS/2-style mouse

12. 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.
DB-15
Processing
Coaxial
the CPU

13. What does CRT stand for?
800 x 600
tasks or 'Threads'
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Cathode Ray Tube

14. Number of Pins for Drives: 3. SATA
VGA/SVGA monitor
Networking and Communications
Standardization
7 or 15 (powered)

15. What is a Sag?
2048 x 1536
detects and fixes corrupt data in RAM.
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.
Very brief time (milliseconds) of too little voltage

16. 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.
BIOS
Storage
Componentization
Cache

17. CPUs: What is RISC?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Firmware
50 - 68 - or 80
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

18. Internal modem or telephone
Liquid Crystal Display
Complex -Instruction - Set - Chips - Used in General Purpose PCs
PS/2-style mouse
RJ-11

19. An example of a device that uses a low-density (two-row) male DB-15 connector.
1024 x 786
Joystick
Hardware
Error Correction Code.

20. SVGA is ____ x_____
ECC
800 x 600
B-9 serial
removable chips on the motherboard

21. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
4
Radial Lines
Firmware

22. UXGA is _____x_____
200
Line Grid Array
1600 x 1200
DB-15

23. RAID 5 has at least ___ hard drives.
Joystick
3
Liquid Crystal Display
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.

24. PGA stands for
144
tasks or 'Threads'
Pin Grid Array
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

25. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
PCIe - PCI - AGP - ESIA - and ISA
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.
Front Side Bus.
7 or 15 (powered)

26. How many pins is a DDR DIMM?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
40 or 80
tasks or 'Threads'
184

27. 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
Cathode Ray Tube
Cache
Radial Lines

28. 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.
DB-15
Line Grid Array
Speaker
verifying data integrity.

29. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Hardware
2048 x 1536
DB-25 parallel
4

30. A temporary data storage location that can be read from and written to.
TRS
Random Access Memory (RAM)
Firmware
VGA/SVGA monitor

31. Number of Pins for Drives: 4. FDD
verifying data integrity.
34
240
Small Outline DIMM

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

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33. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
240
Firmware
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

34. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Networking and Communications
240
TRS
the motherboard

35. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
800 x 600
RJ-45
Storage
7 or 15 (powered)

36. 10Base-5 Ethernet and game ports use this cable
DB-15
Radial Lines
Firewire 6-pin
CMOS

37. XGA is ____x_____
Too much voltage
1024 x 786
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX

38. What is a Brownout?
Too little voltage
Line Grid Array
Coaxial
detects and fixes corrupt data in RAM.

39. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Front Side Bus.
PCIe - PCI - AGP - ESIA - and ISA
3
9-pin serial

40. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
TRS
Firewire 6-pin
5.25
tasks or 'Threads'

41. What does ECC do?
5.25
PCIe - PCI - AGP - ESIA - and ISA
detects and fixes corrupt data in RAM.
charged coupled device (CCD)

42. What is the formal name of the 'headphone jack'?
Volatile
TRS
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

43. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Firewire 6-pin
Too little voltage
CMOS
Cathode Ray Tube

44. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
PCIe - PCI - AGP - ESIA - and ISA
CMOS
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.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

45. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
240
removable chips on the motherboard
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

46. How many pins is a SODIMM DDR2 DIMM?
200
Power failure
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Error Correction Code.

47. Level two cache is located on _______.
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.
the motherboard
BIOS
RJ-11

48. What is a Blackout?
Small Outline DIMM
Power failure
Networking and Communications
5.25

49. Serial ports have this many pins.
Input
2048 x 1536
9
B-9 serial

50. Serial mouse or external modem
240
B-9 serial
Pin Grid Array
Storage