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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. An area of memory that holds recently-accessed data.
Front Side Bus.
Cache
Too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

2. RAID stands for _________.
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.
removable chips on the motherboard
the motherboard
Redundant Array of Independant (Inexpensive) Disks.

3. BIOS allows you to do 4 things - what are they?
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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
34
order Boot sequence - Integrated devices - drive controllers - power supply settings

4. What does LCD stand for?
Hardware
CMOS
Liquid Crystal Display
Very Brief time (milliseconds) of too much voltage

5. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
9-pin serial
1024 x 786
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

6. SVGA is ____ x_____
200
order Boot sequence - Integrated devices - drive controllers - power supply settings
800 x 600
the CPU

7. Serial mouse or external modem
B-9 serial
Storage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
detects and fixes corrupt data in RAM.

8. RAID 5 has at least ___ hard drives.
Speaker
Random Access Memory (RAM)
3
RJ-11

9. Before sending a power supply to the recycling facility...
40 or 80
4
Very brief time (milliseconds) of too little voltage
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.

10. How many pins is a DDR3 DIMM?
50 - 68 - or 80
144
4
240

11. CPUS: What is CISC?
PCIe - PCI - AGP - ESIA - and ISA
4
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

12. What does ECC stand for?
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
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Error Correction Code.

13. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Hardware
Front Side Bus.
PS/2-style mouse
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

14. An example of firmware.
BIOS
9
DB-25
200

15. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
1600 x 1200
ATX - BTX - Micro ATX - ITX - NLX - and LPX
tasks or 'Threads'

16. A type of memory that loses data when the power is no longer supplied to the component.
2048 x 1536
7 or 15 (powered)
Processing
Volatile

17. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
1600 x 1200
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
9

18. 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.
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.
1024 x 786
DB-15
Too little voltage

19. 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
Too much voltage
DB-25 parallel
PS/2-style mouse

20. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Error Correction Code.
CMOS
Input

21. 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.
Very brief time (milliseconds) of too little voltage
detects and fixes corrupt data in RAM.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

22. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
CMOS
Joystick
144
charged coupled device (CCD)

23. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
PS/2-style mouse
CMOS
200
TRS

24. Number of Pins for Drives: 4. FDD
Line Grid Array
34
Too much voltage
Serial

25. Parallel devices connect to this connector.
9
B-9 serial
DB-25
9-pin serial

26. Number of Pins for Drives: 2. SCSI
Radial Lines
50 - 68 - or 80
Software
Too much voltage

27. What does RIMM stand for?
5.25
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
34
BIOS

28. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
CMOS
Serial
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

29. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Hardware
ECC
Very brief time (milliseconds) of too little voltage

30. Serial ports have this many pins.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
9
Small Outline DIMM
Networking and Communications

31. Level two cache is located on _______.
9
Liquid Crystal Display
the motherboard
RJ-45

32. An example of a device that uses a TRS connector.
Storage
9
Too much voltage
Speaker

33. 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.
tasks or 'Threads'
Network communications
Firewire 6-pin

34. What does SODIMM stand for?
Small Outline DIMM
VGA/SVGA monitor
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
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.

35. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Output
Too much voltage

36. Level one cache is located on ___________.
Storage
Cache
1024 x 786
the CPU

37. How many pins is a DDR2 DIMM?
Input
240
tasks or 'Threads'
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

38. A serial mouse connects to a computer with this connector.
Power failure
9-pin serial
DB-15
CMOS

39. How many pins is a SODIMM DDR DIMM?
DB-15
144
Very brief time (milliseconds) of too little voltage
CMOS

40. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Storage
3
4
Very Brief time (milliseconds) of too much voltage

41. The BIOS is stored on the _______ chip that is on the motherboard.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Storage
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs

42. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Networking and Communications
5.25
Front Side Bus.

43. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Too much voltage
ECC
4

44. XGA is ____x_____
1024 x 786
BIOS
Processing
RJ-45

45. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Liquid Crystal Display
Too little voltage
Processing
34

46. Number of Pins for Drives: 3. SATA
charged coupled device (CCD)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
7 or 15 (powered)
240

47. PGA stands for
Cathode Ray Tube
9
DB-25
Pin Grid Array

48. What does SIMM stand for?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Serial
Random Access Memory (RAM)

49. QXGA is ____x____
Power failure
detects and fixes corrupt data in RAM.
2048 x 1536
Line Grid Array

50. 10Base-5 Ethernet and game ports use this cable
1024 x 786
detects and fixes corrupt data in RAM.
DB-15
Single Inline Memory Module - has 30 or 72 contacts on only one side.