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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 are the 4 main types of storage?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-15

2. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
verifying data integrity.
Liquid Crystal Display
Processing

3. SCSI code is set by a 4 things - what are they?
charged coupled device (CCD)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
order Boot sequence - Integrated devices - drive controllers - power supply settings
Software

4. What does SIMM stand for?
9-pin serial
CMOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
BIOS

5. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Speaker
Network communications
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS

6. How many pins is a SODIMM DDR DIMM?
144
200
Single Inline Memory Module - has 30 or 72 contacts on only one side.
tasks or 'Threads'

7. 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.
Storage
Error Correction Code.
DB-15

8. Level one cache is located on ___________.
Radial Lines
order Boot sequence - Integrated devices - drive controllers - power supply settings
verifying data integrity.
the CPU

9. Number of Pins for Drives: 2. SCSI
240
USB Type A
50 - 68 - or 80
ECC

10. 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.
Volatile
DB-15
Redundant Array of Independant (Inexpensive) Disks.
Small Outline DIMM

11. Number of Pins for Drives: 3. SATA
Too little voltage
Radial Lines
Input
7 or 15 (powered)

12. SDRAM sands for _______.
240
Input
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

13. An example of a device that uses a low-density (two-row) male DB-15 connector.
2048 x 1536
DB-15
Joystick
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

14. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
CMOS
Processing
Software

15. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Hardware
Cache
CMOS
Front Side Bus.

16. A serial mouse connects to a computer with this connector.
USB Type A
9-pin serial
PS/2-style mouse
240

17. Number of Pins for Drives: 4. FDD
800 x 600
200
34
CMOS

18. 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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Standardization
CMOS

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

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20. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
CMOS
Firmware
240
the motherboard

21. How many pins is a DDR2 DIMM?
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Processing
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

22. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
9
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-15
charged coupled device (CCD)

23. Internal modem or telephone
144
RJ-11
2048 x 1536
9

24. What is a Sag?
Very brief time (milliseconds) of too little voltage
DB-15
DB-25 parallel
Redundant Array of Independant (Inexpensive) Disks.

25. SVGA is ____ x_____
800 x 600
RJ-11
Error Correction Code.
DB-25 parallel

26. Spike
34
Very Brief time (milliseconds) of too much voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings
detects and fixes corrupt data in RAM.

27. Parallel devices connect to this connector.
Standardization
Componentization
DB-25
1600 x 1200

28. What are the two types of RAM?
Random Access Memory (RAM)
Input
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
charged coupled device (CCD)

29. An example of a device that uses a TRS connector.
USB Type A
Power failure
Speaker
7 or 15 (powered)

30. What do the type types of Hard Drive acronyms stand for?
Small Outline DIMM
Coaxial
DB-25
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

31. 10Base-5 Ethernet and game ports use this cable
DB-15
DB-25 parallel
Very Brief time (milliseconds) of too much voltage
detects and fixes corrupt data in RAM.

32. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
ATX - BTX - Micro ATX - ITX - NLX - and LPX
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.

33. What is a Brownout?
9
RJ-45
Networking and Communications
Too little voltage

34. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
USB Type A
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Storage
Componentization

35. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
DB-25 parallel
USB Type A
TRS
800 x 600

36. Printers
DB-25 parallel
CMOS
Volatile
Storage

37. 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.
240
Networking and Communications
800 x 600
Processing

38. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Componentization
Speaker
Output

39. An example of firmware.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
BIOS
Componentization
the motherboard

40. Serial ports have this many pins.
1600 x 1200
DB-15
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
9

41. LGA stands for ______.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Line Grid Array
the CPU
240

42. External modems most commonly connect to this port.
detects and fixes corrupt data in RAM.
Front Side Bus.
Serial
Small Outline DIMM

43. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
9-pin serial
34
Coaxial
PCIe - PCI - AGP - ESIA - and ISA

44. XGA is ____x_____
3
1024 x 786
50 - 68 - or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

45. A type of memory that loses data when the power is no longer supplied to the component.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Output
Serial
Volatile

46. How many pins is a DDR DIMM?
184
240
Volatile
Hardware

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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-25
Componentization
Line Grid Array

48. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
4
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Processing
the motherboard

49. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
CMOS
detects and fixes corrupt data in RAM.
Output
Serial

50. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
BIOS
DB-25 parallel
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.