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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. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Pin Grid Array
Networking and Communications
Random Access Memory (RAM)

2. Printers
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Very brief time (milliseconds) of too little voltage
the CPU
DB-25 parallel

3. What is the formal name of the 'headphone jack'?
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
RJ-11
240

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

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5. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Joystick
Storage
CMOS
Input

6. CPUs: What is RISC?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Output
DB-25
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

7. Level two cache is located on _______.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Processing
DB-25
the motherboard

8. SVGA is ____ x_____
800 x 600
Componentization
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

9. What is VRAM used for?
DB-25 parallel
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Software

10. RAID stands for _________.
Small Outline DIMM
BIOS
verifying data integrity.
Redundant Array of Independant (Inexpensive) Disks.

11. How many pins is a DDR2 DIMM?
240
RJ-11
Firewire 6-pin
3

12. Parallel devices connect to this connector.
Very brief time (milliseconds) of too little voltage
Firewire 6-pin
144
DB-25

13. An area of memory that holds recently-accessed data.
1024 x 786
Pin Grid Array
Cache
DB-25 parallel

14. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
184
144
3

15. level three cache is located on _________.
charged coupled device (CCD)
Redundant Array of Independant (Inexpensive) Disks.
removable chips on the motherboard
the motherboard

16. What does CRT stand for?
ECC
TRS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cathode Ray Tube

17. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Componentization
Firmware
Serial
Redundant Array of Independant (Inexpensive) Disks.

18. What do the type types of Hard Drive acronyms stand for?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
9
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Componentization

19. How many pins is a SODIMM DDR DIMM?
4
Output
144
Error Correction Code.

20. 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.
40 or 80
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
the CPU
Standardization

21. External modems most commonly connect to this port.
144
Output
Serial
144

22. Parity is used in some _____________ - hard drives - and RAM.
Joystick
184
Network communications
Pin Grid Array

23. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Software
DB-25
3
40 or 80

24. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Software
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.

25. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
2048 x 1536
Radial Lines
CMOS
Very Brief time (milliseconds) of too much voltage

26. What does SODIMM stand for?
USB Type A
RJ-45
Front Side Bus.
Small Outline DIMM

27. SCSI code is set by a 4 things - what are they?
the motherboard
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-15
Too much voltage

28. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Standardization
200
5.25

29. PGA stands for
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.
Pin Grid Array
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Random Access Memory (RAM)

30. A serial mouse connects to a computer with this connector.
Very Brief time (milliseconds) of too much voltage
CMOS
9-pin serial
the CPU

31. UXGA is _____x_____
Serial
1600 x 1200
VGA/SVGA monitor
34

32. 10Base-5 Ethernet and game ports use this cable
Hardware
DB-15
Firewire 6-pin
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.

33. What does SIMM stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
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.
PCIe - PCI - AGP - ESIA - and ISA
Single Inline Memory Module - has 30 or 72 contacts on only one side.

34. An example of a device that uses a low-density (two-row) male DB-15 connector.
40 or 80
PS/2-style mouse
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.
Joystick

35. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
tasks or 'Threads'
ECC
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.
240

36. Ethernet network
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
RJ-45
PCIe - PCI - AGP - ESIA - and ISA
9-pin serial

37. What is Virtual RAM?
BIOS
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.
Speaker
Redundant Array of Independant (Inexpensive) Disks.

38. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
2048 x 1536
Componentization
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

39. What does ECC do?
detects and fixes corrupt data in RAM.
USB Type A
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.
CMOS

40. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
1600 x 1200
CMOS
144

41. Serial mouse or external modem
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.
B-9 serial
144
Network communications

42. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Firmware
charged coupled device (CCD)
2048 x 1536
TRS

43. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Small Outline DIMM
Coaxial
Processing
B-9 serial

44. A temporary data storage location that can be read from and written to.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
2048 x 1536
detects and fixes corrupt data in RAM.
Random Access Memory (RAM)

45. What is a Sag?
Very brief time (milliseconds) of too little voltage
the CPU
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-25

46. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
184
4
800 x 600
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

47. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
BIOS
USB Type A
PS/2-style mouse
Hardware

48. What does LCD stand for?
Speaker
Hardware
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.
Liquid Crystal Display

49. 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.
Power failure
Networking and Communications
Cathode Ray Tube
Random Access Memory (RAM)

50. How many pins is a DDR3 DIMM?
detects and fixes corrupt data in RAM.
Joystick
240
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)