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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 DDR DIMM?
Very Brief time (milliseconds) of too much voltage
USB Type A
184
DB-15

2. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
1600 x 1200
Error Correction Code.
Radial Lines
ECC

3. An area of memory that holds recently-accessed data.
CMOS
Radial Lines
DB-15
Cache

4. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
5.25
TRS
BIOS
Joystick

5. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
Error Correction Code.
Cathode Ray Tube
Processing

6. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Power failure
Very Brief time (milliseconds) of too much voltage
Front Side Bus.
800 x 600

7. What is a Blackout?
Cache
Power failure
RJ-11
Radial Lines

8. A serial mouse connects to a computer with this connector.
7 or 15 (powered)
9-pin serial
removable chips on the motherboard
detects and fixes corrupt data in RAM.

9. 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.
verifying data integrity.
1600 x 1200
USB Type A
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

10. Level one cache is located on ___________.
the CPU
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-25
Software

11. 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.
PCIe - PCI - AGP - ESIA - and ISA
DB-15
Joystick
40 or 80

12. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
CMOS
144
4
Networking and Communications

13. Number of Pins for Drives: 3. SATA
Input
Speaker
Storage
7 or 15 (powered)

14. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
9-pin serial
Hardware
Speaker
USB Type A

15. What does CRT stand for?
CMOS
Network communications
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.
Cathode Ray Tube

16. What are the 4 main types of storage?
Too little voltage
Serial
DB-15
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

17. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
CMOS
50 - 68 - or 80
Line Grid Array

18. 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.
ECC
Componentization
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.
Hardware

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

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20. An example of a device that uses a 6-pin Mini-DIN connector.
detects and fixes corrupt data in RAM.
PS/2-style mouse
3
Storage

21. How many pins is a SODIMM DDR2 DIMM?
Firewire 6-pin
200
Very brief time (milliseconds) of too little voltage
Speaker

22. Parity is used in some _____________ - hard drives - and RAM.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
3
Input
Network communications

23. BIOS allows you to do 4 things - what are they?
144
order Boot sequence - Integrated devices - drive controllers - power supply settings
Software
DB-15

24. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
Cache
DB-25
Hardware

25. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
charged coupled device (CCD)
USB Type A
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
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.

26. Printers
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Firewire 6-pin
DB-25 parallel
Output

27. XGA is ____x_____
ATX - BTX - Micro ATX - ITX - NLX - and LPX
9
1024 x 786
Firmware

28. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Networking and Communications
Front Side Bus.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

29. An example of a device that uses a low-density (two-row) male DB-15 connector.
Small Outline DIMM
Joystick
verifying data integrity.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

30. 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
DB-25 parallel
TRS
DB-25

31. PGA stands for
DB-25 parallel
Software
Pin Grid Array
TRS

32. A type of memory that loses data when the power is no longer supplied to the component.
3
Very Brief time (milliseconds) of too much voltage
Volatile
40 or 80

33. What does SODIMM stand for?
Small Outline DIMM
charged coupled device (CCD)
Too much voltage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

34. SVGA is ____ x_____
Joystick
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
800 x 600
50 - 68 - or 80

35. LGA stands for ______.
Radial Lines
ECC
Line Grid Array
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

36. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Radial Lines
Firmware
BIOS
Liquid Crystal Display

37. What is a Brownout?
Coaxial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Too little voltage

38. Number of Pins for Drives: 2. SCSI
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Volatile
50 - 68 - or 80
Storage

39. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Random Access Memory (RAM)
detects and fixes corrupt data in RAM.
Input

40. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
34
1024 x 786
Processing
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.

41. What is VRAM used for?
DB-25 parallel
removable chips on the motherboard
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
7 or 15 (powered)

42. What are the 6 form factors of motherboards?
Firmware
ATX - BTX - Micro ATX - ITX - NLX - and LPX
50 - 68 - or 80
Too much voltage

43. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Front Side Bus.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Volatile

44. Parallel devices connect to this connector.
DB-25
200
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.
Networking and Communications

45. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
800 x 600
the motherboard
BIOS

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.
Hardware
Error Correction Code.
Small Outline DIMM
Networking and Communications

47. level three cache is located on _________.
removable chips on the motherboard
PS/2-style mouse
USB Type A
Small Outline DIMM

48. What does ECC do?
Processing
Small Outline DIMM
detects and fixes corrupt data in RAM.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

49. What do the type types of Hard Drive acronyms stand for?
BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
removable chips on the motherboard
1600 x 1200

50. UXGA is _____x_____
ECC
Storage
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.
1600 x 1200