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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. An example of a device that uses a high-density (three-row) DB-15 connector.
removable chips on the motherboard
VGA/SVGA monitor
Coaxial
Redundant Array of Independant (Inexpensive) Disks.

2. What is a Brownout?
Too little voltage
Cathode Ray Tube
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

3. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
CMOS
Input
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
3

4. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Cathode Ray Tube
Radial Lines
240
4

5. A type of memory that loses data when the power is no longer supplied to the component.
Hardware
Volatile
Very Brief time (milliseconds) of too much voltage
144

6. An area of memory that holds recently-accessed data.
Speaker
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Cache
144

7. How many pins is a SODIMM DDR DIMM?
1600 x 1200
144
Firewire 6-pin
Network communications

8. Number of Pins for Drives: 4. FDD
the CPU
34
Cathode Ray Tube
144

9. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
VGA/SVGA monitor
3
Joystick
TRS

10. 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
Firewire 6-pin
Storage
CMOS

11. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
BIOS
Processing
Pin Grid Array
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

12. Number of Pins for Drives: 3. SATA
Software
7 or 15 (powered)
5.25
the motherboard

13. 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.
Networking and Communications
1600 x 1200
Componentization
144

14. 10Base-2 Ethernet uses this cable.
Coaxial
Line Grid Array
40 or 80
charged coupled device (CCD)

15. What does LCD stand for?
Liquid Crystal Display
detects and fixes corrupt data in RAM.
4
Random Access Memory (RAM)

16. 10Base-5 Ethernet and game ports use this cable
Radial Lines
Error Correction Code.
Serial
DB-15

17. Number of Pins for Drives: 2. SCSI
200
9-pin serial
50 - 68 - or 80
CMOS

18. LGA stands for ______.
Line Grid Array
240
Firewire 6-pin
Pin Grid Array

19. 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.
TRS
verifying data integrity.
Input
Hardware

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

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21. What are the 4 main types of storage?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
USB Type A
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

22. The actual speed of the CPU is governed by a _______ setting called the clock rate.
2048 x 1536
Cache
Output
BIOS

23. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
7 or 15 (powered)
CMOS
144
Speaker

24. XGA is ____x_____
Input
Network communications
DB-15
1024 x 786

25. BIOS allows you to do 4 things - what are they?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
VGA/SVGA monitor
order Boot sequence - Integrated devices - drive controllers - power supply settings
200

26. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
Very Brief time (milliseconds) of too much voltage
200
DB-25

27. UXGA is _____x_____
1600 x 1200
Input
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Small Outline DIMM

28. What does ECC do?
USB Type A
3
Networking and Communications
detects and fixes corrupt data in RAM.

29. Level one cache is located on ___________.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Power failure
the CPU
Too much voltage

30. An example of a device that uses a TRS connector.
34
5.25
Speaker
Hardware

31. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
1024 x 786
USB Type A
Storage
2048 x 1536

32. What is a Sag?
Very brief time (milliseconds) of too little voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Power failure
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. Level two cache is located on _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Firewire 6-pin
the motherboard
TRS

34. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Firewire 6-pin
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Front Side Bus.

35. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
50 - 68 - or 80
RJ-45
Firewire 6-pin
Too little voltage

36. A serial mouse connects to a computer with this connector.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Firmware
Coaxial
9-pin serial

37. Printers
34
Networking and Communications
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-25 parallel

38. External modems most commonly connect to this port.
Power failure
9
Serial
9-pin serial

39. What does CRT stand for?
1024 x 786
USB Type A
Joystick
Cathode Ray Tube

40. Parity is used in some _____________ - hard drives - and RAM.
DB-25 parallel
Line Grid Array
CMOS
Network communications

41. PGA stands for
Serial
Pin Grid Array
verifying data integrity.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

42. 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.
Componentization
Cathode Ray Tube
DB-15
Single Inline Memory Module - has 30 or 72 contacts on only one side.

43. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
tasks or 'Threads'
Standardization
Very brief time (milliseconds) of too little voltage

44. An example of a device that uses a 6-pin Mini-DIN connector.
4
PS/2-style mouse
Single Inline Memory Module - has 30 or 72 contacts on only one side.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

45. What is VRAM used for?
Coaxial
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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
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. How many pins is a MICRODIMM DIMM?
1600 x 1200
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Hardware
144

47. What are the 6 form factors of motherboards?
Liquid Crystal Display
Too little voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

48. What does ECC stand for?
Too much voltage
Error Correction Code.
Coaxial
184

49. CPUs: What is RISC?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Speaker

50. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
the motherboard
VGA/SVGA monitor
Random Access Memory (RAM)
Output