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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. CPUS: What is CISC?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1024 x 786
Complex -Instruction - Set - Chips - Used in General Purpose PCs
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

2. What does RIMM stand for?
RJ-11
Software
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

3. What is a Sag?
Too much voltage
4
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Very brief time (milliseconds) of too little voltage

4. What does ECC do?
detects and fixes corrupt data in RAM.
2048 x 1536
9
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

5. What are the 6 form factors of motherboards?
the motherboard
Very brief time (milliseconds) of too little voltage
detects and fixes corrupt data in RAM.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

6. How many pins is a DDR3 DIMM?
DB-15
ATX - BTX - Micro ATX - ITX - NLX - and LPX
240
4

7. Serial mouse or external modem
B-9 serial
240
Very Brief time (milliseconds) of too much voltage
40 or 80

8. What is a Brownout?
Network communications
Too little voltage
verifying data integrity.
Redundant Array of Independant (Inexpensive) Disks.

9. Printers
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
CMOS
DB-25 parallel
Liquid Crystal Display

10. What is VRAM used for?
DB-25 parallel
3
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

11. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Line Grid Array
Front Side Bus.
Firewire 6-pin
240

12. An example of a device that uses a high-density (three-row) DB-15 connector.
Network communications
RJ-45
VGA/SVGA monitor
5.25

13. The BIOS is stored on the _______ chip that is on the motherboard.
DB-15
2048 x 1536
CMOS
RJ-11

14. What are the 4 main types of storage?
BIOS
Firewire 6-pin
DB-25 parallel
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

15. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
5.25
Volatile
Input
charged coupled device (CCD)

16. 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)
Liquid Crystal Display
4
Software
Processing

17. 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.
Serial
DB-25
DB-15
TRS

18. What is Virtual RAM?
Coaxial
VGA/SVGA monitor
7 or 15 (powered)
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.

19. Number of Pins for Drives: 4. FDD
800 x 600
BIOS
3
34

20. CPUs: What is RISC?
RJ-45
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Coaxial
PCIe - PCI - AGP - ESIA - and ISA

21. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
2048 x 1536

22. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
BIOS
1024 x 786
Radial Lines
50 - 68 - or 80

23. An example of a device that uses a 6-pin Mini-DIN connector.
DB-25 parallel
Line Grid Array
PS/2-style mouse
CMOS

24. Before sending a power supply to the recycling facility...
Input
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.
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.
800 x 600

25. BIOS allows you to do 4 things - what are they?
Very brief time (milliseconds) of too little voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings
Standardization
DB-25

26. 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.
Standardization
Speaker
Hardware
Very Brief time (milliseconds) of too much voltage

27. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
7 or 15 (powered)
DB-15
40 or 80

28. 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
verifying data integrity.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Storage

29. What does CRT stand for?
Cathode Ray Tube
Error Correction Code.
5.25
the motherboard

30. How many pins is a DDR DIMM?
PS/2-style mouse
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
184
Radial Lines

31. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Standardization
Too much voltage
Small Outline DIMM

32. 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.
34
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Componentization

33. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Power failure
detects and fixes corrupt data in RAM.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
BIOS

34. Parallel devices connect to this connector.
Firewire 6-pin
Liquid Crystal Display
1024 x 786
DB-25

35. XGA is ____x_____
Speaker
1024 x 786
Very brief time (milliseconds) of too little voltage
Hardware

36. SCSI code is set by a 4 things - what are they?
Firewire 6-pin
Too much voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Firmware

37. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Speaker
Serial
USB Type A
240

38. An example of firmware.
BIOS
DB-15
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Radial Lines

39. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Storage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
240

40. How many pins is a SODIMM DDR2 DIMM?
charged coupled device (CCD)
Line Grid Array
200
Pin Grid Array

41. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Firewire 6-pin
ECC
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
9-pin serial

42. 10Base-2 Ethernet uses this cable.
RJ-11
Pin Grid Array
Coaxial
9-pin serial

43. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
PCIe - PCI - AGP - ESIA - and ISA
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

44. 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.
Networking and Communications
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
ECC
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.

45. Spike
Very Brief time (milliseconds) of too much voltage
the motherboard
Liquid Crystal Display
Zero Insertion Force. a physical interface that lets you set the CPU into the array - and then use actuate a lever to make actual contact.

46. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Processing
800 x 600
charged coupled device (CCD)
Power failure

47. How many pins is a SODIMM DDR DIMM?
Error Correction Code.
3
7 or 15 (powered)
144

48. Level two cache is located on _______.
Redundant Array of Independant (Inexpensive) Disks.
200
detects and fixes corrupt data in RAM.
the motherboard

49. What does SODIMM stand for?
Small Outline DIMM
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
4

50. External modems most commonly connect to this port.
CMOS
4
Serial
240