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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. How many pins is a DDR2 DIMM?
240
CMOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
B-9 serial

2. Computer programs that perform specific tasks include: - Operating System- Program applications - Hardware drivers (special programs that tell the operating system how to use the hardware)
Software
DB-15
Networking and Communications
144

3. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
2048 x 1536
9
1600 x 1200
40 or 80

4. How many pins is a DDR DIMM?
184
1600 x 1200
charged coupled device (CCD)
Speaker

5. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
the motherboard
240
144
Radial Lines

6. Level one cache is located on ___________.
Error Correction Code.
Front Side Bus.
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.
the CPU

7. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1024 x 786
Front Side Bus.
Input

8. 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.
1600 x 1200
RJ-45
verifying data integrity.
Volatile

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

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10. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Speaker
Power failure
Redundant Array of Independant (Inexpensive) Disks.

11. CPUS: What is CISC?
Random Access Memory (RAM)
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Line Grid Array
Cache

12. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
the CPU
7 or 15 (powered)
CMOS

13. 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.
Joystick
VGA/SVGA monitor
Standardization
7 or 15 (powered)

14. External modems most commonly connect to this port.
Serial
Line Grid Array
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
USB Type A

15. SVGA is ____ x_____
800 x 600
Storage
Firmware
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.

16. Spike
Redundant Array of Independant (Inexpensive) Disks.
DB-15
Very Brief time (milliseconds) of too much voltage
the motherboard

17. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Output
2048 x 1536

18. What is a Sag?
BIOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Very brief time (milliseconds) of too little voltage
Too little voltage

19. Number of Pins for Drives: 4. FDD
CMOS
the motherboard
34
2048 x 1536

20. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
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.
Power failure
40 or 80
Hardware

21. Parity is used in some _____________ - hard drives - and 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.
Cache
Serial
Network communications

22. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
184
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
ECC

23. Internal modem or telephone
4
Line Grid Array
ATX - BTX - Micro ATX - ITX - NLX - and LPX
RJ-11

24. Before sending a power supply to the recycling facility...
Front Side Bus.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.
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.

25. QXGA is ____x____
PCIe - PCI - AGP - ESIA - and ISA
Speaker
2048 x 1536
PS/2-style mouse

26. What are the 4 main types of storage?
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.
charged coupled device (CCD)
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

27. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
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.
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.
Processing
CMOS

28. XGA is ____x_____
1024 x 786
Complex -Instruction - Set - Chips - Used in General Purpose PCs
9
50 - 68 - or 80

29. An example of a device that uses a high-density (three-row) DB-15 connector.
B-9 serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
VGA/SVGA monitor
DB-25 parallel

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

31. 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.
7 or 15 (powered)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Componentization

32. An example of a device that uses a 6-pin Mini-DIN connector.
B-9 serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
detects and fixes corrupt data in RAM.
PS/2-style mouse

33. What does LCD stand for?
BIOS
3
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Liquid Crystal Display

34. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
9-pin serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Error Correction Code.

35. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Processing
the motherboard
200

36. What do the type types of Hard Drive acronyms stand for?
Very Brief time (milliseconds) of too much voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-15

37. An area of memory that holds recently-accessed data.
240
200
Cache
7 or 15 (powered)

38. Number of Pins for Drives: 2. SCSI
Too little voltage
the motherboard
USB Type A
50 - 68 - or 80

39. What is a Brownout?
Too little voltage
200
50 - 68 - or 80
CMOS

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

41. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
200
2048 x 1536
Output
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

42. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Firewire 6-pin
charged coupled device (CCD)
34
Input

43. BIOS allows you to do 4 things - what are they?
Front Side Bus.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Line Grid Array
Cache

44. The BIOS is stored on the _______ chip that is on the motherboard.
DB-25 parallel
RJ-45
CMOS
Liquid Crystal Display

45. Surge
240
Networking and Communications
Cache
Too much voltage

46. A serial mouse connects to a computer with this connector.
9-pin serial
9
Firewire 6-pin
ECC

47. Ethernet network
CMOS
tasks or 'Threads'
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

48. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Front Side Bus.
Speaker
ECC
PCIe - PCI - AGP - ESIA - and ISA

49. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
removable chips on the motherboard
5.25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

50. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
USB Type A
Firmware
Standardization
ECC