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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 6-pin Mini-DIN connector.
PS/2-style mouse
CMOS
BIOS
tasks or 'Threads'

2. How many pins is a DDR2 DIMM?
240
Standardization
9
Input

3. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
Power failure
Joystick
Error Correction Code.

4. 10Base-2 Ethernet uses this cable.
Coaxial
2048 x 1536
DB-25 parallel
144

5. An example of firmware.
BIOS
VGA/SVGA monitor
Front Side Bus.
Componentization

6. Before sending a power supply to the recycling facility...
Software
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
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.

7. A type of memory that loses data when the power is no longer supplied to the component.
Redundant Array of Independant (Inexpensive) Disks.
detects and fixes corrupt data in RAM.
Volatile
DB-25 parallel

8. What do the type types of Hard Drive acronyms stand for?
Storage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Radial Lines
9

9. 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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
removable chips on the motherboard
Standardization
5.25

10. How many pins is a MICRODIMM DIMM?
200
144
B-9 serial
Network communications

11. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
Firmware
B-9 serial
USB Type A

12. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Speaker
Serial
Very brief time (milliseconds) of too little voltage
charged coupled device (CCD)

13. Serial ports have this many pins.
9
240
Network communications
34

14. Parallel devices connect to this connector.
Componentization
Very Brief time (milliseconds) of too much voltage
DB-25
Error Correction Code.

15. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
9-pin serial
BIOS
Pin Grid Array

16. External modems most commonly connect to this port.
Too much voltage
Serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RJ-45

17. What is Virtual RAM?
Hardware
240
3
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.

18. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
VGA/SVGA monitor
Speaker
Very Brief time (milliseconds) of too much voltage
Radial Lines

19. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Too much voltage
the motherboard
Processing
RJ-45

20. Surge
Firmware
USB Type A
Redundant Array of Independant (Inexpensive) Disks.
Too much voltage

21. An example of a device that uses a TRS connector.
Speaker
DB-15
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
charged coupled device (CCD)

22. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Random Access Memory (RAM)
50 - 68 - or 80
34
ECC

23. Number of Pins for Drives: 4. FDD
Networking and Communications
Radial Lines
Liquid Crystal Display
34

24. What are the 6 form factors of motherboards?
Front Side Bus.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Random Access Memory (RAM)
9

25. CPUs: What is RISC?
Input
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Very brief time (milliseconds) of too little voltage
Cache

26. The BIOS is stored on the _______ chip that is on the motherboard.
Storage
7 or 15 (powered)
CMOS
USB Type A

27. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
tasks or 'Threads'
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
TRS

28. SCSI code is set by a 4 things - what are they?
CMOS
Output
removable chips on the motherboard
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

29. Parity is used in some _____________ - hard drives - and RAM.
Error Correction Code.
Network communications
the CPU
Too much voltage

30. What does ECC stand for?
DB-25 parallel
Error Correction Code.
USB Type A
9

31. Level two cache is located on _______.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
the motherboard
Small Outline DIMM
Processing

32. How many pins is a SODIMM DDR2 DIMM?
200
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Firewire 6-pin
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

33. What are the 4 main types of storage?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DB-15
PCIe - PCI - AGP - ESIA - and ISA

34. SVGA is ____ x_____
4
Standardization
800 x 600
Serial

35. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Coaxial
Joystick
USB Type A
Input

36. What does LCD stand for?
Liquid Crystal Display
7 or 15 (powered)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

37. Spike
PS/2-style mouse
9-pin serial
Very Brief time (milliseconds) of too much voltage
Networking and Communications

38. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Networking and Communications
ATX - BTX - Micro ATX - ITX - NLX - and LPX
4
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.

39. RAID 5 has at least ___ hard drives.
4
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
3

40. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Networking and Communications
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.
Software
PCIe - PCI - AGP - ESIA - and ISA

41. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
Random Access Memory (RAM)
2048 x 1536
Firmware

42. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
Joystick
Volatile
CMOS

43. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Hardware
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RJ-45
BIOS

44. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Cathode Ray Tube
charged coupled device (CCD)
the motherboard

45. SDRAM sands for _______.
CMOS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
2048 x 1536
5.25

46. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
Very brief time (milliseconds) of too little voltage
Very Brief time (milliseconds) of too much voltage
Front Side Bus.

47. What does CRT stand for?
removable chips on the motherboard
2048 x 1536
Cathode Ray Tube
1024 x 786

48. An example of a device that uses a high-density (three-row) DB-15 connector.
9-pin serial
40 or 80
Liquid Crystal Display
VGA/SVGA monitor

49. How many pins is a SODIMM DDR DIMM?
charged coupled device (CCD)
1024 x 786
144
B-9 serial

50. How many pins is a DDR DIMM?
184
Radial Lines
Serial
240