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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 SODIMM DDR2 DIMM?
9
144
200
7 or 15 (powered)

2. 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.
184
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
9-pin serial
Componentization

3. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
TRS
Input
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.
RJ-45

4. Parity is used in some _____________ - hard drives - and RAM.
Network communications
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.
34

5. SCSI code is set by a 4 things - what are they?
Network communications
7 or 15 (powered)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

6. 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
1024 x 786
7 or 15 (powered)
CMOS

7. An area of memory that holds recently-accessed data.
charged coupled device (CCD)
Coaxial
Volatile
Cache

8. SVGA is ____ x_____
ATX - BTX - Micro ATX - ITX - NLX - and LPX
800 x 600
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
9

9. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Speaker
USB Type A
charged coupled device (CCD)
Serial

10. An example of a device that uses a TRS connector.
VGA/SVGA monitor
Speaker
B-9 serial
DB-15

11. What are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
240
RJ-45
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

12. 10Base-2 Ethernet uses this cable.
Volatile
DB-25 parallel
Coaxial
Networking and Communications

13. 10Base-5 Ethernet and game ports use this cable
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-15
CMOS

14. A temporary data storage location that can be read from and written to.
Storage
Random Access Memory (RAM)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
144

15. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Too little voltage
RJ-11
CMOS
Front Side Bus.

16. How many pins is a DDR3 DIMM?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
240
charged coupled device (CCD)
TRS

17. Printers
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
144
tasks or 'Threads'
DB-25 parallel

18. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Too much voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Single Inline Memory Module - has 30 or 72 contacts on only one side.

19. An example of a device that uses a high-density (three-row) DB-15 connector.
4
VGA/SVGA monitor
verifying data integrity.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

20. How many pins is a DDR DIMM?
Firewire 6-pin
removable chips on the motherboard
184
34

21. QXGA is ____x____
BIOS
9-pin serial
Software
2048 x 1536

22. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Too much voltage
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Joystick

23. What does CRT stand for?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Cathode Ray Tube
Input
Joystick

24. What is a Sag?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
34
Very brief time (milliseconds) of too little voltage
Speaker

25. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Liquid Crystal Display
4
Processing
5.25

26. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Radial Lines
the CPU
4
DB-25 parallel

27. What does RIMM stand for?
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
240
Software

28. The BIOS is stored on the _______ chip that is on the motherboard.
9-pin serial
Componentization
ECC
CMOS

29. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
200
TRS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
RJ-45

30. UXGA is _____x_____
1600 x 1200
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
240
Firewire 6-pin

31. An example of a device that uses a low-density (two-row) male DB-15 connector.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
1024 x 786
Joystick

32. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
detects and fixes corrupt data in RAM.
Radial Lines
BIOS
50 - 68 - or 80

33. What is the formal name of the 'headphone jack'?
the motherboard
5.25
B-9 serial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

34. Serial mouse or external modem
B-9 serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Random Access Memory (RAM)
Error Correction Code.

35. PGA stands for
DB-25 parallel
Too much voltage
Pin Grid Array
184

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

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37. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
1024 x 786
Too little voltage
Joystick

38. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
144
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Networking and Communications
CMOS

39. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
CMOS
800 x 600
Network communications

40. External modems most commonly connect to this port.
charged coupled device (CCD)
Radial Lines
Serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

41. Serial ports have this many pins.
9
Input
DB-15
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.

42. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Redundant Array of Independant (Inexpensive) Disks.
Pin Grid Array
Firmware
DB-25

43. An example of firmware.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
TRS
BIOS
VGA/SVGA monitor

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.
5.25
240
Serial
Standardization

45. ZIF stands for ______.
34
charged coupled device (CCD)
Speaker
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. 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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
BIOS
Networking and Communications
Radial Lines

47. XGA is ____x_____
the CPU
1024 x 786
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.
B-9 serial

48. SDRAM sands for _______.
50 - 68 - or 80
2048 x 1536
Line Grid Array
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

49. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Cathode Ray Tube
Hardware
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
CMOS

50. The actual speed of the CPU is governed by a _______ setting called the clock rate.
144
Coaxial
BIOS
Network communications