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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. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
240
40 or 80
200

2. An example of a device that uses a TRS connector.
PS/2-style mouse
Very Brief time (milliseconds) of too much voltage
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.
Speaker

3. An example of a device that uses a high-density (three-row) DB-15 connector.
Joystick
PS/2-style mouse
CMOS
VGA/SVGA monitor

4. Spike
Very Brief time (milliseconds) of too much voltage
CMOS
VGA/SVGA monitor
9

5. ZIF stands for ______.
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.
Radial Lines
Complex -Instruction - Set - Chips - Used in General Purpose PCs
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

6. An area of memory that holds recently-accessed data.
Cache
Networking and Communications
Firmware
PCIe - PCI - AGP - ESIA - and ISA

7. How many pins is a MICRODIMM 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.
Input
5.25
144

8. PGA stands for
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Pin Grid Array
34

9. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
CMOS
ECC
charged coupled device (CCD)
CMOS

10. 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.
Front Side Bus.
Componentization
Pin Grid Array
Firmware

11. 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.
Random Access Memory (RAM)
Networking and Communications
Pin Grid Array
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

12. What does LCD stand for?
9-pin serial
DB-15
Processing
Liquid Crystal Display

13. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
order Boot sequence - Integrated devices - drive controllers - power supply settings
the motherboard
USB Type A
ECC

14. Parity is a method of ____________. It is used when the reliability of the data is more important than the speed at which it is written or read. When the data is read or received - the bytes should still be even. If not - the data is corrupt.
CMOS
34
verifying data integrity.
240

15. External modems most commonly connect to this port.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Serial
4
Standardization

16. How many pins is a DDR3 DIMM?
240
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Firewire 6-pin
DB-15

17. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Firmware
order Boot sequence - Integrated devices - drive controllers - power supply settings
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

18. SDRAM sands for _______.
DB-15
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
TRS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

19. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Joystick
Complex -Instruction - Set - Chips - Used in General Purpose PCs
BIOS

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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Standardization

21. Internal modem or telephone
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
TRS
Standardization
RJ-11

22. QXGA is ____x____
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
50 - 68 - or 80
2048 x 1536
Hardware

23. Parallel devices connect to this connector.
Small Outline DIMM
34
DB-25
9-pin serial

24. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
CMOS
144
B-9 serial

25. LGA stands for ______.
Very brief time (milliseconds) of too little voltage
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Line Grid Array
Standardization

26. Ethernet network
800 x 600
Storage
RJ-45
34

27. Serial mouse or external modem
1024 x 786
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
B-9 serial
200

28. 10Base-2 Ethernet uses this cable.
USB Type A
Coaxial
Joystick
Input

29. 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)
3
Software
BIOS
Very Brief time (milliseconds) of too much voltage

30. RAID stands for _________.
the CPU
Processing
Cathode Ray Tube
Redundant Array of Independant (Inexpensive) Disks.

31. RAID 5 has at least ___ hard drives.
3
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
1600 x 1200
34

32. XGA is ____x_____
Networking and Communications
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.
1024 x 786
2048 x 1536

33. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Line Grid Array
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Radial Lines
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

34. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
240
Power failure
40 or 80

35. Number of Pins for Drives: 2. SCSI
Processing
Front Side Bus.
50 - 68 - or 80
Liquid Crystal Display

36. Printers
184
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Volatile
DB-25 parallel

37. Level two cache is located on _______.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
the motherboard
Cathode Ray Tube
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

38. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
order Boot sequence - Integrated devices - drive controllers - power supply settings
200
PCIe - PCI - AGP - ESIA - and ISA
Serial

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

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40. SCSI code is set by a 4 things - what are they?
144
Networking and Communications
50 - 68 - or 80
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

41. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
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.
Volatile
5.25
Joystick

42. Level one cache is located on ___________.
Processing
the CPU
Networking and Communications
Too much voltage

43. What is a Blackout?
144
the CPU
4
Power failure

44. What is a Sag?
200
CMOS
Very brief time (milliseconds) of too little voltage
1024 x 786

45. level three cache is located on _________.
removable chips on the motherboard
240
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Very brief time (milliseconds) of too little voltage

46. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
tasks or 'Threads'
Processing
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

47. Surge
Power failure
Too much voltage
Standardization
Serial

48. How many pins is a SODIMM DDR2 DIMM?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Coaxial
Network communications
200

49. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
184
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
charged coupled device (CCD)

50. An example of a device that uses a 6-pin Mini-DIN connector.
Redundant Array of Independant (Inexpensive) Disks.
Power failure
Volatile
PS/2-style mouse