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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. How many pins is a DDR3 DIMM?
240
Software
CMOS
Pin Grid Array

2. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
Power failure
Radial Lines
2048 x 1536

3. Serial mouse or external modem
B-9 serial
Small Outline DIMM
7 or 15 (powered)
Pin Grid Array

4. What is a Blackout?
charged coupled device (CCD)
CMOS
detects and fixes corrupt data in RAM.
Power failure

5. How many pins is a DDR DIMM?
Random Access Memory (RAM)
3
184
7 or 15 (powered)

6. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
DB-25
Random Access Memory (RAM)
Front Side Bus.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

7. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Too little voltage
Software
ECC

8. What is the formal name of the 'headphone jack'?
DB-15
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
9-pin serial
Output

9. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
1600 x 1200
Pin Grid Array
Too much voltage

10. level three cache is located on _________.
DB-25 parallel
removable chips on the motherboard
the CPU
1600 x 1200

11. A type of memory that loses data when the power is no longer supplied to the component.
DB-25
Volatile
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Line Grid Array

12. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Small Outline DIMM
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

13. LGA stands for ______.
Line Grid Array
Processing
9-pin serial
240

14. The BIOS is stored on the _______ chip that is on the motherboard.
5.25
9
Volatile
CMOS

15. What is Virtual RAM?
Firmware
Small Outline DIMM
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.

16. RAID stands for _________.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Very brief time (milliseconds) of too little voltage
Redundant Array of Independant (Inexpensive) Disks.
the CPU

17. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
200
3
CMOS

18. What does RIMM stand for?
Very brief time (milliseconds) of too little voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Hardware
CMOS

19. XGA is ____x_____
5.25
1024 x 786
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1600 x 1200

20. Internal modem or telephone
Random Access Memory (RAM)
RJ-11
Networking and Communications
Very Brief time (milliseconds) of too much voltage

21. An example of a device that uses a high-density (three-row) DB-15 connector.
DB-15
Speaker
Cathode Ray Tube
VGA/SVGA monitor

22. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
9-pin serial
4
Standardization
tasks or 'Threads'

23. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Random Access Memory (RAM)
144
TRS
34

24. Parity is used in some _____________ - hard drives - and RAM.
Small Outline DIMM
Network communications
DB-25
Complex -Instruction - Set - Chips - Used in General Purpose PCs

25. Number of Pins for Drives: 2. SCSI
Processing
50 - 68 - or 80
Output
ECC

26. 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
B-9 serial
detects and fixes corrupt data in RAM.
4

27. UXGA is _____x_____
4
Networking and Communications
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.
1600 x 1200

28. A serial mouse connects to a computer with this connector.
CMOS
1600 x 1200
9-pin serial
1024 x 786

29. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
USB Type A
Radial Lines
3
Random Access Memory (RAM)

30. 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.
RJ-45
DB-15
verifying data integrity.
BIOS

31. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
240
Coaxial
USB Type A
detects and fixes corrupt data in RAM.

32. A temporary data storage location that can be read from and written to.
Line Grid Array
Random Access Memory (RAM)
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Single Inline Memory Module - has 30 or 72 contacts on only one side.

33. What does ECC do?
184
Hardware
Random Access Memory (RAM)
detects and fixes corrupt data in RAM.

34. Serial ports have this many pins.
Error Correction Code.
Componentization
tasks or 'Threads'
9

35. Ethernet network
BIOS
RJ-45
1024 x 786
Front Side Bus.

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

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

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38. BIOS allows you to do 4 things - what are they?
DB-25 parallel
ATX - BTX - Micro ATX - ITX - NLX - and LPX
184
order Boot sequence - Integrated devices - drive controllers - power supply settings

39. An example of firmware.
BIOS
Storage
DB-15
800 x 600

40. What is a Sag?
Software
VGA/SVGA monitor
Pin Grid Array
Very brief time (milliseconds) of too little voltage

41. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Firmware
the motherboard
Standardization
Processing

42. SDRAM sands for _______.
detects and fixes corrupt data in RAM.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
240
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

43. Number of Pins for Drives: 3. SATA
1600 x 1200
7 or 15 (powered)
Serial
Networking and Communications

44. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
charged coupled device (CCD)
Cache
144

45. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
5.25
CMOS
PCIe - PCI - AGP - ESIA - and ISA

46. Printers
DB-25 parallel
Software
Joystick
Volatile

47. 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.
Processing
Networking and Communications
Componentization
240

48. What is a Brownout?
240
DB-15
Too little voltage
the motherboard

49. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Serial
Very Brief time (milliseconds) of too much voltage
Line Grid Array
Firewire 6-pin

50. How many pins is a SODIMM DDR DIMM?
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.
BIOS
144
40 or 80