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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. Level two cache is located on _______.
CMOS
the motherboard
charged coupled device (CCD)
Network communications

2. How many pins is a SODIMM DDR DIMM?
144
order Boot sequence - Integrated devices - drive controllers - power supply settings
7 or 15 (powered)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

3. 10Base-5 Ethernet and game ports use this cable
tasks or 'Threads'
Processing
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DB-15

4. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Joystick
Front Side Bus.
144
9

5. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
BIOS
Input
Firmware
9-pin serial

6. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-25
4
Cathode Ray Tube

7. What is a Blackout?
Componentization
Software
Power failure
Line Grid Array

8. An example of firmware.
VGA/SVGA monitor
40 or 80
tasks or 'Threads'
BIOS

9. Serial mouse or external modem
B-9 serial
Componentization
Firmware
Cache

10. An example of a device that uses a TRS connector.
4
VGA/SVGA monitor
Speaker
B-9 serial

11. What is a Brownout?
34
Too little voltage
CMOS
tasks or 'Threads'

12. Number of Pins for Drives: 4. FDD
34
order Boot sequence - Integrated devices - drive controllers - power supply settings
800 x 600
Volatile

13. What are the 6 form factors of motherboards?
the CPU
Volatile
40 or 80
ATX - BTX - Micro ATX - ITX - NLX - and LPX

14. level three cache is located on _________.
2048 x 1536
charged coupled device (CCD)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
removable chips on the motherboard

15. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Cache
B-9 serial
BIOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

16. What does CRT stand for?
Too much voltage
Processing
Coaxial
Cathode Ray Tube

17. Number of Pins for Drives: 2. SCSI
Cache
DB-15
50 - 68 - or 80
DB-25

18. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Too little voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX
BIOS

19. What does LCD stand for?
Speaker
Liquid Crystal Display
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

20. CPUs: What is RISC?
200
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
800 x 600
PS/2-style mouse

21. Ethernet network
RJ-45
800 x 600
Single Inline Memory Module - has 30 or 72 contacts on only one side.
4

22. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
PCIe - PCI - AGP - ESIA - and ISA
144
order Boot sequence - Integrated devices - drive controllers - power supply settings
USB Type A

23. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Software
removable chips on the motherboard
DB-15
Hardware

24. SDRAM sands for _______.
Radial Lines
Input
Error Correction Code.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

25. Surge
DB-15
Too much voltage
Serial
Standardization

26. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Output
144
CMOS
Coaxial

27. Number of Pins for Drives: 3. SATA
tasks or 'Threads'
USB Type A
Serial
7 or 15 (powered)

28. 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.
DB-15
240
CMOS
Joystick

29. A serial mouse connects to a computer with this connector.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1600 x 1200
9-pin serial
BIOS

30. The BIOS is stored on the _______ chip that is on the motherboard.
Power failure
240
1600 x 1200
CMOS

31. What does SODIMM stand for?
Networking and Communications
Small Outline DIMM
charged coupled device (CCD)
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

32. Parity is used in some _____________ - hard drives - and RAM.
9-pin serial
Network communications
2048 x 1536
Liquid Crystal Display

33. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Firmware
Input
TRS
detects and fixes corrupt data in RAM.

34. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Hardware
PCIe - PCI - AGP - ESIA - and ISA
Redundant Array of Independant (Inexpensive) Disks.
Output

35. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Power failure
order Boot sequence - Integrated devices - drive controllers - power supply settings
144
4

36. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
144
BIOS
Storage
9

37. LGA stands for ______.
PCIe - PCI - AGP - ESIA - and ISA
Line Grid Array
Standardization
Input

38. BIOS allows you to do 4 things - what are they?
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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Hardware
50 - 68 - or 80

39. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
TRS
tasks or 'Threads'
Output
Serial

40. Parallel devices connect to this connector.
Cache
DB-25
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Radial Lines

41. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
PS/2-style mouse
ECC
Radial Lines
the CPU

42. 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
PCIe - PCI - AGP - ESIA - and ISA
Very brief time (milliseconds) of too little voltage
Storage

43. What is the formal name of the 'headphone jack'?
Error Correction Code.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
the CPU
800 x 600

44. 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.
50 - 68 - or 80
800 x 600
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Standardization

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

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46. Printers
Firewire 6-pin
DB-25 parallel
PCIe - PCI - AGP - ESIA - and ISA
7 or 15 (powered)

47. What is Virtual RAM?
order Boot sequence - Integrated devices - drive controllers - power supply settings
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.
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.
PS/2-style mouse

48. What are the two types of RAM?
3
USB Type A
Networking and Communications
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

49. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
1024 x 786
1600 x 1200
800 x 600

50. What is a Sag?
PS/2-style mouse
Very Brief time (milliseconds) of too much voltage
50 - 68 - or 80
Very brief time (milliseconds) of too little voltage