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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. BIOS allows you to do 4 things - what are they?
the motherboard
order Boot sequence - Integrated devices - drive controllers - power supply settings
240
Software

2. What are the two types of RAM?
144
DB-25
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
B-9 serial

3. An example of a device that uses a high-density (three-row) DB-15 connector.
240
VGA/SVGA monitor
3
240

4. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Hardware
Processing
ECC

5. An example of a device that uses a 6-pin Mini-DIN connector.
RJ-11
Serial
PS/2-style mouse
Volatile

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.
40 or 80
Hardware
DB-15
Very Brief time (milliseconds) of too much voltage

7. What does RIMM stand for?
PCIe - PCI - AGP - ESIA - and ISA
removable chips on the motherboard
DB-15
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

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

9. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
200
800 x 600
PS/2-style mouse

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

11. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
9
TRS
CMOS
BIOS

12. Level one cache is located on ___________.
3
Random Access Memory (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.
the CPU

13. Parity is used in some _____________ - hard drives - and RAM.
Joystick
Network communications
VGA/SVGA monitor
9

14. An example of a device that uses a TRS connector.
5.25
Speaker
DB-25 parallel
240

15. Parallel devices connect to this connector.
Speaker
B-9 serial
RJ-45
DB-25

16. How many pins is a DDR DIMM?
Cathode Ray Tube
184
Serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

17. Number of Pins for Drives: 3. SATA
Speaker
240
7 or 15 (powered)
34

18. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
VGA/SVGA monitor
CMOS
4

19. Serial ports have this many pins.
DB-15
1600 x 1200
9
Line Grid Array

20. How many pins is a DDR2 DIMM?
USB Type A
Output
Processing
240

21. What is Virtual 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.
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.
BIOS
34

22. What are the 4 main types of storage?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
240
144
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

23. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Network communications
34
DB-25

24. PGA stands for
Liquid Crystal Display
Pin Grid Array
9-pin serial
Volatile

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

26. What is a Blackout?
Small Outline DIMM
Power failure
2048 x 1536
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.

27. RAID stands for _________.
Software
the CPU
Front Side Bus.
Redundant Array of Independant (Inexpensive) Disks.

28. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
detects and fixes corrupt data in RAM.
charged coupled device (CCD)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
order Boot sequence - Integrated devices - drive controllers - power supply settings

29. 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
Hardware
charged coupled device (CCD)
DB-15

30. Spike
VGA/SVGA monitor
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.
Storage
Very Brief time (milliseconds) of too much voltage

31. An example of firmware.
CMOS
Small Outline DIMM
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
BIOS

32. 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.
detects and fixes corrupt data in RAM.
verifying data integrity.
Storage
Joystick

33. What does SODIMM stand for?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Small Outline DIMM
3
Firmware

34. Surge
240
Too much voltage
CMOS
3

35. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
B-9 serial
BIOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

36. Number of Pins for Drives: 4. FDD
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Firmware
2048 x 1536
34

37. ZIF stands for ______.
Too little voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual 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.

38. Internal modem or telephone
Hardware
RJ-11
Standardization
Radial Lines

39. What does SIMM stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
BIOS
ECC
Single Inline Memory Module - has 30 or 72 contacts on only one side.

40. 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.
Networking and Communications
184
Complex -Instruction - Set - Chips - Used in General Purpose PCs
charged coupled device (CCD)

41. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
50 - 68 - or 80
the CPU
ECC
Processing

42. Level two cache is located on _______.
Too much voltage
Cache
TRS
the motherboard

43. 10Base-2 Ethernet uses this cable.
Liquid Crystal Display
RJ-45
Coaxial
Line Grid Array

44. How many pins is a DDR3 DIMM?
Line Grid Array
Power failure
184
240

45. Before sending a power supply to the recycling facility...
5.25
detects and fixes corrupt data in RAM.
9-pin 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.

46. A serial mouse connects to a computer with this connector.
1024 x 786
34
9-pin serial
removable chips on the motherboard

47. SVGA is ____ x_____
4
Serial
800 x 600
Radial Lines

48. What do the type types of Hard Drive acronyms stand for?
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
verifying data integrity.
charged coupled device (CCD)

49. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Hardware
200
the motherboard
Input

50. 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
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Redundant Array of Independant (Inexpensive) Disks.
order Boot sequence - Integrated devices - drive controllers - power supply settings