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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: 4. FDD
34
Serial
Standardization
1024 x 786

2. CPUs: What is RISC?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Error Correction Code.
Very Brief time (milliseconds) of too much voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

3. How many pins is a DDR DIMM?
50 - 68 - or 80
Output
Small Outline DIMM
184

4. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
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.
TRS

5. Serial ports have this many pins.
9
verifying data integrity.
40 or 80
Complex -Instruction - Set - Chips - Used in General Purpose PCs

6. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
144
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Radial Lines
charged coupled device (CCD)

7. Parallel devices connect to this connector.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Too much voltage
Serial
DB-25

8. How many pins is a MICRODIMM DIMM?
Hardware
DB-15
144
Networking and Communications

9. What is a Brownout?
RJ-45
Output
Too little voltage
4

10. Printers
DB-25 parallel
USB Type A
144
Firmware

11. Level one cache is located on ___________.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
the CPU
Software
Cache

12. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
240
Firewire 6-pin
4
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

13. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
PCIe - PCI - AGP - ESIA - and ISA
Input
34

14. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
4
Joystick

15. 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.
Cache
144
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.
Networking and Communications

16. Ethernet network
RJ-45
TRS
144
4

17. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
Network communications
9
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.

18. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Output
Network communications
PS/2-style mouse
5.25

19. Serial mouse or external modem
B-9 serial
DB-25
9-pin serial
charged coupled device (CCD)

20. The BIOS is stored on the _______ chip that is on the motherboard.
Small Outline DIMM
Too little voltage
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

21. An example of a device that uses a high-density (three-row) DB-15 connector.
USB Type A
the motherboard
VGA/SVGA monitor
Line Grid Array

22. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
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.
DB-25 parallel

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

24. How many pins is a SODIMM DDR2 DIMM?
40 or 80
200
Power failure
the CPU

25. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
240
ECC
Networking and Communications
BIOS

26. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
1024 x 786
CMOS

27. 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
Too little voltage
40 or 80
Cache

28. Before sending a power supply to the recycling facility...
9-pin serial
DB-15
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

29. What do the type types of Hard Drive acronyms stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-15
1600 x 1200

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

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31. RAID 5 has at least ___ hard drives.
VGA/SVGA monitor
3
PS/2-style mouse
B-9 serial

32. 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.
USB Type A
9
Componentization
PCIe - PCI - AGP - ESIA - and ISA

33. 10Base-5 Ethernet and game ports use this cable
DB-15
PCIe - PCI - AGP - ESIA - and ISA
verifying data integrity.
240

34. What does LCD stand for?
240
Liquid Crystal Display
200
DB-15

35. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Coaxial
Input
Small Outline DIMM

36. What does CRT stand for?
Random Access Memory (RAM)
Standardization
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Cathode Ray Tube

37. What does ECC stand for?
Error Correction Code.
Hardware
Random Access Memory (RAM)
BIOS

38. External modems most commonly connect to this port.
Input
Serial
TRS
800 x 600

39. What are the two types of RAM?
200
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Standardization
the motherboard

40. An example of a device that uses a low-density (two-row) male DB-15 connector.
Small Outline DIMM
Joystick
2048 x 1536
the CPU

41. SDRAM sands for _______.
Too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Line Grid Array
removable chips on the motherboard

42. A temporary data storage location that can be read from and written to.
Networking and Communications
TRS
Cathode Ray Tube
Random Access Memory (RAM)

43. Spike
Very Brief time (milliseconds) of too much voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
VGA/SVGA monitor
DB-15

44. An example of firmware.
Coaxial
BIOS
removable chips on the motherboard
PS/2-style mouse

45. Parity is used in some _____________ - hard drives - and RAM.
9
Serial
Standardization
Network communications

46. 10Base-2 Ethernet uses this cable.
VGA/SVGA monitor
Coaxial
charged coupled device (CCD)
Software

47. Number of Pins for Drives: 2. SCSI
Error Correction Code.
Cathode Ray Tube
CMOS
50 - 68 - or 80

48. PGA stands for
Pin Grid Array
detects and fixes corrupt data in RAM.
verifying data integrity.
200

49. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Cache
Storage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
5.25

50. An example of a device that uses a TRS connector.
Speaker
Random Access Memory (RAM)
9-pin serial
BIOS