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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 does LCD stand for?
the motherboard
Liquid Crystal Display
CMOS
240

2. An example of a device that uses a high-density (three-row) DB-15 connector.
Hardware
VGA/SVGA monitor
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
verifying data integrity.

3. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Redundant Array of Independant (Inexpensive) Disks.
3
USB Type A
charged coupled device (CCD)

4. Serial ports have this many pins.
verifying data integrity.
9
Standardization
40 or 80

5. Parity is used in some _____________ - hard drives - and RAM.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
ECC
Firewire 6-pin
Network communications

6. 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.
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.
Componentization
800 x 600
Line Grid Array

7. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
Output
B-9 serial
Radial Lines

8. The BIOS is stored on the _______ chip that is on the motherboard.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
40 or 80
CMOS
Line Grid Array

9. SCSI code is set by a 4 things - what are they?
2048 x 1536
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-25 parallel

10. How many pins is a SODIMM DDR2 DIMM?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
7 or 15 (powered)
200
240

11. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Very brief time (milliseconds) of too little voltage
removable chips on the motherboard
Cathode Ray Tube
Firmware

12. What is a Brownout?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Networking and Communications
Too little voltage
PS/2-style mouse

13. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
4
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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

14. SVGA is ____ x_____
charged coupled device (CCD)
Hardware
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
800 x 600

15. Internal modem or telephone
PS/2-style mouse
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-15
RJ-11

16. 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.
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.
Very brief time (milliseconds) of too little voltage
DB-15
34

17. level three cache is located on _________.
Pin Grid Array
Joystick
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
removable chips on the motherboard

18. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
5.25
ECC
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Firmware

19. How many pins is a MICRODIMM DIMM?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
144
Power failure
1024 x 786

20. What does ECC do?
Coaxial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Very brief time (milliseconds) of too little voltage
detects and fixes corrupt data in RAM.

21. A temporary data storage location that can be read from and written to.
Cache
4
Processing
Random Access Memory (RAM)

22. A type of memory that loses data when the power is no longer supplied to the component.
BIOS
Volatile
Networking and Communications
200

23. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
144
4
40 or 80
BIOS

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

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25. How many pins is a DDR3 DIMM?
RJ-11
200
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
240

26. What does ECC stand for?
Very Brief time (milliseconds) of too much voltage
Error Correction Code.
the motherboard
144

27. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
tasks or 'Threads'
PCIe - PCI - AGP - ESIA - and ISA

28. What is the formal name of the 'headphone jack'?
Error Correction Code.
Networking and Communications
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

29. What are the two types of RAM?
Serial
Random Access Memory (RAM)
34
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

30. What is a Blackout?
CMOS
2048 x 1536
Power failure
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.

31. What is Virtual RAM?
9
144
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
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.

32. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
ECC
Too little voltage
charged coupled device (CCD)
Firewire 6-pin

33. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Networking and Communications
tasks or 'Threads'
Too much voltage

34. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
Networking and Communications
Power failure
144

35. PGA stands for
verifying data integrity.
Pin Grid Array
144
DB-15

36. RAID stands for _________.
Storage
Redundant Array of Independant (Inexpensive) Disks.
Componentization
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.

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

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38. What does SODIMM stand for?
DB-25 parallel
Small Outline DIMM
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
charged coupled device (CCD)

39. How many pins is a DDR DIMM?
Coaxial
9-pin serial
184
tasks or 'Threads'

40. RAID 5 has at least ___ hard drives.
Front Side Bus.
4
PS/2-style mouse
3

41. Before sending a power supply to the recycling facility...
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
9
240
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.

42. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Output
charged coupled device (CCD)
CMOS

43. Ethernet network
RJ-45
the motherboard
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.
PCIe - PCI - AGP - ESIA - and ISA

44. 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.
Too much voltage
Networking and Communications
Storage
34

45. How many pins is a DDR2 DIMM?
verifying data integrity.
charged coupled device (CCD)
240
order Boot sequence - Integrated devices - drive controllers - power supply settings

46. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
CMOS
VGA/SVGA monitor
Cache

47. External modems most commonly connect to this port.
Serial
Firewire 6-pin
1600 x 1200
RJ-45

48. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
VGA/SVGA monitor
50 - 68 - or 80
RJ-45

49. A serial mouse connects to a computer with this connector.
9-pin 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.
the CPU
removable chips on the motherboard

50. Level one cache is located on ___________.
Error Correction Code.
the CPU
BIOS
Componentization