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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 does RIMM stand for?
DB-25 parallel
800 x 600
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Single Inline Memory Module - has 30 or 72 contacts on only one side.

2. What does ECC do?
ECC
detects and fixes corrupt data in RAM.
B-9 serial
200

3. 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.
Pin Grid Array
Componentization
detects and fixes corrupt data in RAM.
Networking and Communications

4. BIOS allows you to do 4 things - what are they?
Cache
the CPU
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-15

5. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Redundant Array of Independant (Inexpensive) Disks.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Firewire 6-pin
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

6. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
184
VGA/SVGA monitor
50 - 68 - or 80

7. Number of Pins for Drives: 2. SCSI
TRS
50 - 68 - or 80
verifying data integrity.
Coaxial

8. SDRAM sands for _______.
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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Front Side Bus.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

9. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
removable chips on the motherboard
144
Complex -Instruction - Set - Chips - Used in General Purpose PCs

10. Level one cache is located on ___________.
Speaker
the CPU
2048 x 1536
4

11. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
9-pin serial
Coaxial

12. How many pins is a DDR2 DIMM?
240
Too much voltage
removable chips on the motherboard
DB-25 parallel

13. An example of a device that uses a TRS connector.
1600 x 1200
PCIe - PCI - AGP - ESIA - and ISA
Speaker
144

14. What are the 4 main types of storage?
removable chips on the motherboard
Coaxial
Line Grid Array
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

15. RAID stands for _________.
Standardization
Small Outline DIMM
800 x 600
Redundant Array of Independant (Inexpensive) Disks.

16. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
Cache
Firmware
CMOS

17. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Componentization
the motherboard
DB-25 parallel
Storage

18. Ethernet network
RJ-45
PCIe - PCI - AGP - ESIA - and ISA
CMOS
Software

19. Parallel devices connect to this connector.
Cache
DB-25
Hardware
Coaxial

20. An example of firmware.
PCIe - PCI - AGP - ESIA - and ISA
RJ-11
BIOS
240

21. How many pins is a SODIMM DDR2 DIMM?
Very brief time (milliseconds) of too little voltage
the motherboard
200
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

22. What does SIMM stand for?
184
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Network communications

23. 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.
Front Side Bus.
Standardization
CMOS
B-9 serial

24. 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.
VGA/SVGA monitor
DB-15
CMOS
order Boot sequence - Integrated devices - drive controllers - power supply settings

25. An example of a device that uses a 6-pin Mini-DIN connector.
Volatile
removable chips on the motherboard
PS/2-style mouse
Output

26. UXGA is _____x_____
1600 x 1200
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Too little voltage
BIOS

27. Before sending a power supply to the recycling facility...
VGA/SVGA monitor
800 x 600
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.
Cathode Ray Tube

28. Internal modem or telephone
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Radial Lines
7 or 15 (powered)
RJ-11

29. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
DB-15
Firmware
Speaker
5.25

30. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
detects and fixes corrupt data in RAM.
charged coupled device (CCD)
Input
3

31. 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.
VGA/SVGA monitor
Joystick
BIOS
Componentization

32. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
verifying data integrity.
Error Correction Code.
40 or 80
Firmware

33. 10Base-5 Ethernet and game ports use this cable
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
BIOS
B-9 serial
DB-15

34. How many pins is a DDR DIMM?
184
detects and fixes corrupt data in RAM.
Very Brief time (milliseconds) of too much voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

35. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
144
Coaxial

36. How many pins is a MICRODIMM DIMM?
144
1024 x 786
Very Brief time (milliseconds) of too much voltage
Cache

37. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
USB Type A
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Output
Software

38. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
4
PCIe - PCI - AGP - ESIA - and ISA
CMOS
Pin Grid Array

39. Serial ports have this many pins.
Small Outline DIMM
order Boot sequence - Integrated devices - drive controllers - power supply settings
Very brief time (milliseconds) of too little voltage
9

40. 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
Serial
RJ-45
Software

41. SVGA is ____ x_____
800 x 600
RJ-11
Network communications
ECC

42. What is a Brownout?
TRS
Too little voltage
Firewire 6-pin
9-pin serial

43. What are the two types of RAM?
200
Liquid Crystal Display
Software
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

44. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
CMOS
Volatile
DB-15

45. Spike
Very brief time (milliseconds) of too little voltage
DB-15
Very Brief time (milliseconds) of too much voltage
240

46. External modems most commonly connect to this port.
Serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
184
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

47. Serial mouse or external modem
DB-25 parallel
B-9 serial
USB Type A
Coaxial

48. 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.
9-pin serial
1600 x 1200
DB-25

49. What does LCD stand for?
Power failure
144
Liquid Crystal Display
Software

50. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
removable chips on the motherboard
Redundant Array of Independant (Inexpensive) Disks.
200
Firmware