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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. What do the type types of Hard Drive acronyms stand for?
Hardware
240
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Redundant Array of Independant (Inexpensive) Disks.

2. How many pins is a DDR2 DIMM?
9-pin serial
240
Software
CMOS

3. The BIOS is stored on the _______ chip that is on the motherboard.
Error Correction Code.
detects and fixes corrupt data in RAM.
200
CMOS

4. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
charged coupled device (CCD)
the CPU
Small Outline DIMM

5. Number of Pins for Drives: 2. SCSI
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
charged coupled device (CCD)
50 - 68 - or 80
PS/2-style mouse

6. 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
Coaxial
1024 x 786
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

7. What is the formal name of the 'headphone jack'?
Networking and Communications
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Error Correction Code.
Input

8. RAID 5 has at least ___ hard drives.
3
RJ-11
DB-15
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

9. Printers
Volatile
240
40 or 80
DB-25 parallel

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
BIOS
the CPU
order Boot sequence - Integrated devices - drive controllers - power supply settings

11. An example of a device that uses a 6-pin Mini-DIN connector.
Firewire 6-pin
PS/2-style mouse
200
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

12. What is a Blackout?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Front Side Bus.
DB-15
Power failure

13. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
184
Line Grid Array
Storage
removable chips on the motherboard

14. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
tasks or 'Threads'
Firmware
4
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

15. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
RJ-45
CMOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Joystick

16. What are the two types of RAM?
9-pin serial
the CPU
Input
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

17. SCSI code is set by a 4 things - what are they?
Processing
ECC
Software
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

18. How many pins is a SODIMM DDR DIMM?
Standardization
Hardware
144
Radial Lines

19. Before sending a power supply to the recycling facility...
240
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Hardware

20. Parity is used in some _____________ - hard drives - and RAM.
ECC
Standardization
34
Network communications

21. An example of firmware.
Volatile
the motherboard
BIOS
verifying data integrity.

22. ZIF stands for ______.
Very brief time (milliseconds) of too little voltage
PS/2-style mouse
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.
Random Access Memory (RAM)

23. level three cache is located on _________.
RJ-45
Storage
removable chips on the motherboard
CMOS

24. CPUs: What is RISC?
Pin Grid Array
Complex -Instruction - Set - Chips - Used in General Purpose PCs
verifying data integrity.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

25. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
BIOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RJ-45

26. How many pins is a DDR DIMM?
Hardware
Serial
184
240

27. Level two cache is located on _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Speaker
the motherboard
B-9 serial

28. What does CRT stand for?
B-9 serial
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
240
Cathode Ray Tube

29. What is Virtual RAM?
240
Componentization
40 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.

30. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
1600 x 1200
Speaker
240

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

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32. XGA is ____x_____
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.
Software
1024 x 786
144

33. What does LCD stand for?
9-pin serial
Liquid Crystal Display
Standardization
1600 x 1200

34. What are the 6 form factors of motherboards?
Front Side Bus.
200
ATX - BTX - Micro ATX - ITX - NLX - and LPX
50 - 68 - or 80

35. 10Base-2 Ethernet uses this cable.
RJ-11
Coaxial
PS/2-style mouse
2048 x 1536

36. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Too much voltage
Hardware
Pin Grid Array
the motherboard

37. How many pins is a MICRODIMM DIMM?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.
144
Power failure

38. What does ECC stand for?
Small Outline DIMM
Serial
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.
Error Correction Code.

39. Serial mouse or external modem
3
B-9 serial
200
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.

40. QXGA is ____x____
Serial
Hardware
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
2048 x 1536

41. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
CMOS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
2048 x 1536
USB Type A

42. PGA stands for
Pin Grid Array
3
Radial Lines
Front Side Bus.

43. A serial mouse connects to a computer with this connector.
Redundant Array of Independant (Inexpensive) Disks.
34
9-pin serial
Serial

44. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Speaker
PCIe - PCI - AGP - ESIA - and ISA
Single Inline Memory Module - has 30 or 72 contacts on only one side.

45. External modems most commonly connect to this port.
7 or 15 (powered)
40 or 80
Serial
50 - 68 - or 80

46. An example of a device that uses a low-density (two-row) male DB-15 connector.
Random Access Memory (RAM)
Radial Lines
Joystick
B-9 serial

47. Parallel devices connect to this connector.
4
tasks or 'Threads'
Network communications
DB-25

48. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
detects and fixes corrupt data in RAM.
Cache
Processing
verifying data integrity.

49. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
1600 x 1200
PS/2-style mouse
Liquid Crystal Display

50. How many pins is a SODIMM DDR2 DIMM?
7 or 15 (powered)
BIOS
Cache
200