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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 VRAM used for?
2048 x 1536
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
BIOS

2. What is the formal name of the 'headphone jack'?
1600 x 1200
charged coupled device (CCD)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
detects and fixes corrupt data in RAM.

3. CPUS: What is CISC?
240
34
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Firewire 6-pin

4. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS
Volatile
Cache

5. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
184
charged coupled device (CCD)
Pin Grid Array
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

6. How many pins is a MICRODIMM DIMM?
1024 x 786
144
PS/2-style mouse
CMOS

7. What does SODIMM stand for?
50 - 68 - or 80
Small Outline DIMM
240
240

8. PGA stands for
Pin Grid Array
USB Type A
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.
Error Correction Code.

9. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
5.25
Radial Lines
order Boot sequence - Integrated devices - drive controllers - power supply settings

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

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11. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Firmware
Serial
Output

12. 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.
PCIe - PCI - AGP - ESIA - and ISA
Coaxial
3
Networking and Communications

13. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
CMOS
removable chips on the motherboard
PCIe - PCI - AGP - ESIA - and ISA

14. Parity is used in some _____________ - hard drives - and RAM.
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.
Network communications
5.25
9

15. What does RIMM stand for?
verifying data integrity.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
PCIe - PCI - AGP - ESIA - and ISA
200

16. How many pins is a DDR DIMM?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Pin Grid Array
184
Redundant Array of Independant (Inexpensive) Disks.

17. What are the two types of RAM?
Input
Power failure
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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

18. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
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.
TRS
RJ-45

19. An example of a device that uses a TRS connector.
ECC
800 x 600
Speaker
9

20. What is a Sag?
Very brief time (milliseconds) of too little voltage
Liquid Crystal Display
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
50 - 68 - or 80

21. How many pins is a SODIMM DDR DIMM?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
144
Processing
Componentization

22. 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.
Coaxial
PS/2-style mouse
DB-15
Too little voltage

23. Number of Pins for Drives: 2. SCSI
RJ-11
Serial
50 - 68 - or 80
tasks or 'Threads'

24. What does CRT stand for?
34
Cathode Ray Tube
184
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

25. 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.
Coaxial
Standardization
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.
Very brief time (milliseconds) of too little voltage

26. How many pins is a DDR2 DIMM?
Too little voltage
USB Type A
240
Cache

27. level three cache is located on _________.
ECC
9
removable chips on the motherboard
Too much voltage

28. An example of firmware.
Processing
184
BIOS
800 x 600

29. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
RJ-45
Pin Grid Array
Radial Lines

30. What are the 4 main types of storage?
RJ-11
Firmware
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cathode Ray Tube

31. UXGA is _____x_____
USB Type A
BIOS
1600 x 1200
Networking and Communications

32. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
B-9 serial
tasks or 'Threads'
DB-25 parallel

33. 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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
BIOS
Componentization
Networking and Communications

34. What does LCD stand for?
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.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Liquid Crystal Display
Very Brief time (milliseconds) of too much voltage

35. 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.
Cache
verifying data integrity.
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

36. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
VGA/SVGA monitor
USB Type A
Componentization
charged coupled device (CCD)

37. Level one cache is located on ___________.
the CPU
Pin Grid Array
Power failure
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

38. Ethernet network
the CPU
RJ-45
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

39. Spike
Hardware
9-pin serial
Very Brief time (milliseconds) of too much voltage
BIOS

40. Surge
Too much voltage
800 x 600
5.25
2048 x 1536

41. An example of a device that uses a low-density (two-row) male 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.
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.
DB-15
Joystick

42. An area of memory that holds recently-accessed data.
Cache
240
Pin Grid Array
50 - 68 - or 80

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

44. A temporary data storage location that can be read from and written to.
144
Networking and Communications
Random Access Memory (RAM)
Too little voltage

45. What is a Blackout?
tasks or 'Threads'
DB-15
Coaxial
Power failure

46. Serial mouse or external modem
B-9 serial
BIOS
DB-15
ATX - BTX - Micro ATX - ITX - NLX - and LPX

47. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
DB-15
DB-25
Very Brief time (milliseconds) of too much voltage

48. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
BIOS
Front Side Bus.
DB-25 parallel
CMOS

49. RAID 5 has at least ___ hard drives.
240
Input
VGA/SVGA monitor
3

50. Level two cache is located on _______.
the motherboard
DB-25 parallel
9
200