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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. 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.
Pin Grid Array
verifying data integrity.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Radial Lines

2. Internal modem or telephone
RJ-11
DB-25
Small Outline DIMM
DB-15

3. What does ECC do?
Coaxial
detects and fixes corrupt data in RAM.
Cathode Ray Tube
Line Grid Array

4. 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
Volatile
RJ-11
Redundant Array of Independant (Inexpensive) Disks.

5. What does CRT stand for?
DB-25
Cathode Ray Tube
Too much voltage
Random Access Memory (RAM)

6. An example of firmware.
Too much voltage
Radial Lines
4
BIOS

7. An area of memory that holds recently-accessed data.
Cache
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
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.
34

8. What does RIMM stand for?
7 or 15 (powered)
Speaker
Standardization
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

9. XGA is ____x_____
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1024 x 786
Very Brief time (milliseconds) of too much voltage
34

10. How many pins is a SODIMM DDR2 DIMM?
Networking and Communications
RJ-11
184
200

11. Number of Pins for Drives: 3. SATA
4
Very Brief time (milliseconds) of too much voltage
800 x 600
7 or 15 (powered)

12. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Small Outline DIMM
CMOS
DB-25

13. 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)
detects and fixes corrupt data in RAM.
Software
DB-15
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

14. QXGA is ____x____
BIOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Storage
2048 x 1536

15. How many pins is a DDR3 DIMM?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Network communications
Firmware
240

16. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
800 x 600
Pin Grid Array
3
charged coupled device (CCD)

17. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Error Correction Code.
Processing
charged coupled device (CCD)
ECC

18. ZIF stands for ______.
Joystick
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.
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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

19. level three cache is located on _________.
removable chips on the motherboard
DB-25
DB-15
Cathode Ray Tube

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

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21. 10Base-2 Ethernet uses this cable.
240
BIOS
the motherboard
Coaxial

22. 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.
Very brief time (milliseconds) of too little voltage
Power failure
Radial Lines
Standardization

23. UXGA is _____x_____
CMOS
CMOS
DB-25
1600 x 1200

24. Spike
Speaker
Very Brief time (milliseconds) of too much voltage
Power failure
Network communications

25. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-25
240
Storage

26. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Complex -Instruction - Set - Chips - Used in General Purpose PCs
240
3

27. What does SODIMM stand for?
Liquid Crystal Display
Small Outline DIMM
Front Side Bus.
Software

28. How many pins is a SODIMM DDR DIMM?
9-pin serial
Speaker
34
144

29. 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.
BIOS
verifying data integrity.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Networking and Communications

30. What is Virtual RAM?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
50 - 68 - or 80
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.

31. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Cache
PS/2-style mouse
Single Inline Memory Module - has 30 or 72 contacts on only one side.
USB Type A

32. SVGA is ____ x_____
800 x 600
1600 x 1200
TRS
Liquid Crystal Display

33. What is a Sag?
40 or 80
removable chips on the motherboard
Very brief time (milliseconds) of too little voltage
Input

34. A type of memory that loses data when the power is no longer supplied to the component.
Too little voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Volatile
Componentization

35. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
CMOS
184
Processing

36. A serial mouse connects to a computer with this connector.
Small Outline DIMM
9-pin serial
Complex -Instruction - Set - Chips - Used in General Purpose PCs
ATX - BTX - Micro ATX - ITX - NLX - and LPX

37. What is a Brownout?
Speaker
charged coupled device (CCD)
Too little voltage
34

38. An example of a device that uses a low-density (two-row) male DB-15 connector.
2048 x 1536
Componentization
Joystick
Complex -Instruction - Set - Chips - Used in General Purpose PCs

39. What does SIMM stand for?
B-9 serial
800 x 600
Small Outline DIMM
Single Inline Memory Module - has 30 or 72 contacts on only one side.

40. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
PCIe - PCI - AGP - ESIA - and ISA
184
144

41. 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.
Componentization
7 or 15 (powered)
the CPU
800 x 600

42. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Very brief time (milliseconds) of too little voltage
800 x 600
4
PCIe - PCI - AGP - ESIA - and ISA

43. PGA stands for
verifying data integrity.
Pin Grid Array
9
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

44. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Coaxial
order Boot sequence - Integrated devices - drive controllers - power supply settings
Storage
Output

45. Ethernet network
5.25
4
charged coupled device (CCD)
RJ-45

46. BIOS allows you to do 4 things - what are they?
Speaker
the motherboard
CMOS
order Boot sequence - Integrated devices - drive controllers - power supply settings

47. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Componentization
Liquid Crystal Display
800 x 600
Firewire 6-pin

48. Before sending a power supply to the recycling facility...
tasks or 'Threads'
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.
Serial

49. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
the motherboard
Speaker
Input
Software

50. How many pins is a MICRODIMM DIMM?
Front Side Bus.
144
Networking and Communications
DB-25