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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. An example of a device that uses a TRS connector.
Random Access Memory (RAM)
Line Grid Array
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Speaker

2. Serial mouse or external modem
B-9 serial
Firmware
detects and fixes corrupt data in RAM.
Complex -Instruction - Set - Chips - Used in General Purpose PCs

3. How many pins is a DDR2 DIMM?
240
B-9 serial
Front Side Bus.
9

4. What do the type types of Hard Drive acronyms stand for?
Power failure
Joystick
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Front Side Bus.

5. XGA is ____x_____
1024 x 786
200
detects and fixes corrupt data in RAM.
DB-25 parallel

6. QXGA is ____x____
2048 x 1536
Firewire 6-pin
50 - 68 - or 80
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

7. Parallel devices connect to this connector.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
ECC
DB-25
200

8. Before sending a power supply to the recycling facility...
240
50 - 68 - or 80
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.
Hardware

9. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
50 - 68 - or 80
the CPU
5.25

10. What does SIMM stand for?
Volatile
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-15
9-pin serial

11. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Very brief time (milliseconds) of too little voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Output
9

12. Level one cache is located on ___________.
the CPU
DB-25 parallel
1600 x 1200
1024 x 786

13. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Redundant Array of Independant (Inexpensive) Disks.
TRS

14. PGA stands for
3
Complex -Instruction - Set - Chips - Used in General Purpose PCs
BIOS
Pin Grid Array

15. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Processing
1600 x 1200

16. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
2048 x 1536
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
9

17. A temporary data storage location that can be read from and written to.
the CPU
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Random Access Memory (RAM)

18. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
detects and fixes corrupt data in RAM.
tasks or 'Threads'
Pin Grid Array
Hardware

19. What does SODIMM stand for?
Small Outline DIMM
Input
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
7 or 15 (powered)

20. External modems most commonly connect to this port.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Standardization
Too much voltage
Serial

21. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
tasks or 'Threads'
Speaker
Coaxial
USB Type A

22. RAID 5 has at least ___ hard drives.
3
Too much voltage
144
DB-25 parallel

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

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24. level three cache is located on _________.
verifying data integrity.
removable chips on the motherboard
184
Output

25. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
800 x 600
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
2048 x 1536

26. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Firmware
200
Componentization

27. What does ECC do?
detects and fixes corrupt data in RAM.
DB-25
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
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.

28. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
Radial Lines
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Very Brief time (milliseconds) of too much voltage

29. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Software
Speaker
RJ-11

30. Printers
DB-25 parallel
Power failure
Redundant Array of Independant (Inexpensive) Disks.
CMOS

31. BIOS allows you to do 4 things - what are they?
800 x 600
USB Type A
order Boot sequence - Integrated devices - drive controllers - power supply settings
Firewire 6-pin

32. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
CMOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
4
RJ-11

33. Ethernet network
RJ-45
B-9 serial
7 or 15 (powered)
Redundant Array of Independant (Inexpensive) Disks.

34. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
DB-25 parallel
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Processing
Storage

35. What is Virtual 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.
PCIe - PCI - AGP - ESIA - and ISA
240
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

36. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
the CPU
50 - 68 - or 80

37. What is VRAM used for?
BIOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Pin Grid Array

38. What are the two types of 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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Processing

39. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Very brief time (milliseconds) of too little voltage
144
Front Side Bus.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

40. What is a Blackout?
B-9 serial
Power failure
Serial
Storage

41. Parity is used in some _____________ - hard drives - and RAM.
DB-25 parallel
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Network communications
BIOS

42. What is a Sag?
BIOS
Joystick
Very brief time (milliseconds) of too little voltage
Radial Lines

43. 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.
CMOS
DB-15
B-9 serial
USB Type A

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

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45. An area of memory that holds recently-accessed data.
CMOS
Cache
order Boot sequence - Integrated devices - drive controllers - power supply settings
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

46. Internal modem or telephone
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
RJ-11
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

47. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
charged coupled device (CCD)
CMOS
Very Brief time (milliseconds) of too much voltage
DB-15

48. 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)
USB Type A
Storage
Software
34

49. What is a Brownout?
Serial
Error Correction Code.
Too little voltage
Very Brief time (milliseconds) of too much voltage

50. An example of firmware.
order Boot sequence - Integrated devices - drive controllers - power supply settings
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
240
BIOS