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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. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Input
Small Outline DIMM
USB Type A

2. Internal modem or telephone
order Boot sequence - Integrated devices - drive controllers - power supply settings
Front Side Bus.
Input
RJ-11

3. What does ECC do?
detects and fixes corrupt data in RAM.
Too little voltage
Software
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.

4. What is a Blackout?
Power failure
144
Too much voltage
Error Correction Code.

5. 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
40 or 80
Very Brief time (milliseconds) of too much voltage
Too much voltage

6. Number of Pins for Drives: 2. SCSI
DB-15
Random Access Memory (RAM)
Front Side Bus.
50 - 68 - or 80

7. 10Base-5 Ethernet and game ports use this cable
VGA/SVGA monitor
DB-15
DB-25 parallel
Standardization

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.
DB-15
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
184
Hardware

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

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10. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Coaxial
200
Software
Firmware

11. Level one cache is located on ___________.
Very Brief time (milliseconds) of too much voltage
the CPU
Standardization
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

12. UXGA is _____x_____
1600 x 1200
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Small Outline DIMM
50 - 68 - or 80

13. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
charged coupled device (CCD)
2048 x 1536

14. What is VRAM used for?
VGA/SVGA monitor
Software
40 or 80
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

15. How many pins is a SODIMM DDR2 DIMM?
200
Software
VGA/SVGA monitor
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

16. 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)
Software
240
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DB-15

17. Before sending a power supply to the recycling facility...
Serial
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 much voltage
removable chips on the motherboard

18. What are the 4 main types of storage?
VGA/SVGA monitor
Cathode Ray Tube
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
184

19. What are the two types of RAM?
BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Redundant Array of Independant (Inexpensive) Disks.
VGA/SVGA monitor

20. What does LCD stand for?
Liquid Crystal Display
1024 x 786
Componentization
Coaxial

21. Parity is used in some _____________ - hard drives - and RAM.
Standardization
Joystick
Network communications
2048 x 1536

22. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
800 x 600
Joystick
Radial Lines
4

23. LGA stands for ______.
RJ-45
Line Grid Array
removable chips on the motherboard
Volatile

24. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Output
Front Side Bus.
RJ-45

25. SDRAM sands for _______.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
PCIe - PCI - AGP - ESIA - and ISA

26. Number of Pins for Drives: 4. FDD
Network communications
Standardization
34
4

27. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
CMOS
charged coupled device (CCD)
verifying data integrity.
Hardware

28. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Radial Lines
Single Inline Memory Module - has 30 or 72 contacts on only one side.
800 x 600

29. The actual speed of the CPU is governed by a _______ setting called the clock rate.
CMOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
BIOS

30. An example of firmware.
charged coupled device (CCD)
144
CMOS
BIOS

31. What are the 6 form factors of motherboards?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Very Brief time (milliseconds) of too much voltage
1024 x 786

32. Printers
PCIe - PCI - AGP - ESIA - and ISA
Firmware
DB-25 parallel
TRS

33. ZIF stands for ______.
TRS
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-45
Componentization

34. BIOS allows you to do 4 things - what are they?
9
Error Correction Code.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Cathode Ray Tube

35. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Error Correction Code.
Very Brief time (milliseconds) of too much voltage
Speaker

36. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
RJ-11
PCIe - PCI - AGP - ESIA - and ISA
ECC
Radial Lines

37. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
40 or 80
TRS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

38. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
CMOS
Redundant Array of Independant (Inexpensive) Disks.
ECC

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

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40. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
3
Networking and Communications
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

41. Serial mouse or external modem
2048 x 1536
Input
Cache
B-9 serial

42. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
CMOS
Front Side Bus.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

43. RAID 5 has at least ___ hard drives.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Output
3
Processing

44. 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.
Network communications
Componentization
verifying data integrity.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

45. 10Base-2 Ethernet uses this cable.
Random Access Memory (RAM)
DB-15
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Coaxial

46. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
charged coupled device (CCD)
CMOS
34

47. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
144
DB-25 parallel
RJ-45

48. What does ECC stand for?
Error Correction Code.
Liquid Crystal Display
240
PS/2-style mouse

49. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
240
3
1024 x 786

50. Parallel devices connect to this connector.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DB-25
Power failure
4