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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. A type of memory that loses data when the power is no longer supplied to the component.
Storage
Volatile
Error Correction Code.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

2. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
240
Coaxial
verifying data integrity.
TRS

3. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Too much voltage
CMOS
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.
4

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

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5. What are the two types of RAM?
DB-25
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
VGA/SVGA monitor

6. Level two cache is located on _______.
TRS
CMOS
the motherboard
Storage

7. What is a Sag?
9
Very brief time (milliseconds) of too little voltage
1024 x 786
144

8. Serial ports have this many pins.
Pin Grid Array
USB Type A
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
9

9. What does SODIMM stand for?
Front Side Bus.
Small Outline DIMM
144
Componentization

10. SVGA is ____ x_____
800 x 600
Software
Very Brief time (milliseconds) of too much voltage
Liquid Crystal Display

11. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
2048 x 1536
detects and fixes corrupt data in RAM.
RJ-11

12. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Very brief time (milliseconds) of too little voltage
DB-15
240

13. An example of firmware.
BIOS
4
verifying data integrity.
800 x 600

14. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Cache
Firewire 6-pin
Too little voltage
9

15. Number of Pins for Drives: 2. SCSI
Redundant Array of Independant (Inexpensive) Disks.
B-9 serial
Radial Lines
50 - 68 - or 80

16. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
tasks or 'Threads'
Pin Grid Array
Output

17. UXGA is _____x_____
Hardware
CMOS
PCIe - PCI - AGP - ESIA - and ISA
1600 x 1200

18. Parallel devices connect to this connector.
CMOS
Coaxial
Cathode Ray Tube
DB-25

19. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
TRS
Very brief time (milliseconds) of too little voltage
Serial

20. QXGA is ____x____
Serial
2048 x 1536
Firmware
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

21. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Random Access Memory (RAM)
BIOS
Storage
40 or 80

22. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
5.25
Liquid Crystal Display

23. How many pins is a SODIMM DDR2 DIMM?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
verifying data integrity.
200
the motherboard

24. 10Base-2 Ethernet uses this cable.
34
Coaxial
240
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

25. RAID 5 has at least ___ hard drives.
3
Software
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
34

26. CPUS: What is CISC?
VGA/SVGA monitor
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Volatile
Standardization

27. Printers
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
DB-25 parallel
BIOS

28. ZIF stands for ______.
DB-25 parallel
Too little voltage
1600 x 1200
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.

29. What do the type types of Hard Drive acronyms stand for?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Software
Pin Grid Array

30. How many pins is a DDR DIMM?
4
TRS
RJ-11
184

31. An area of memory that holds recently-accessed data.
Hardware
USB Type A
Cache
CMOS

32. PGA stands for
240
charged coupled device (CCD)
Pin Grid Array
800 x 600

33. 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
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Front Side Bus.
tasks or 'Threads'

34. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
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.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Radial Lines

35. CPUs: What is RISC?
Pin Grid Array
Small Outline DIMM
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
PS/2-style mouse

36. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Software
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.
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.
5.25

37. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Line Grid Array
Standardization
Storage
9-pin serial

38. 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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Storage
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Networking and Communications

39. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
ATX - BTX - Micro ATX - ITX - NLX - and LPX
ECC
Pin Grid Array
USB Type A

40. 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.
9
Standardization
240
verifying data integrity.

41. A serial mouse connects to a computer with this connector.
3
Pin Grid Array
B-9 serial
9-pin serial

42. Number of Pins for Drives: 4. FDD
Line Grid Array
USB Type A
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
34

43. The BIOS is stored on the _______ chip that is on the motherboard.
144
the motherboard
2048 x 1536
CMOS

44. An example of a device that uses a TRS connector.
RJ-45
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
VGA/SVGA monitor
Speaker

45. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
charged coupled device (CCD)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Random Access Memory (RAM)

46. How many pins is a DDR3 DIMM?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
240
Pin Grid Array
charged coupled device (CCD)

47. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
the CPU
Storage
ECC
Cache

48. SCSI code is set by a 4 things - what are they?
Standardization
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Too much voltage

49. What is VRAM used for?
DB-15
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
9
ATX - BTX - Micro ATX - ITX - NLX - and LPX

50. What does CRT stand for?
2048 x 1536
Cathode Ray Tube
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
USB Type A