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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. 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.
4
Componentization
Front Side Bus.
50 - 68 - or 80

2. SDRAM sands for _______.
Line Grid Array
Network communications
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

3. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Input
Random Access Memory (RAM)
B-9 serial

4. level three cache is located on _________.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
verifying data integrity.
RJ-11
removable chips on the motherboard

5. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Serial
PS/2-style mouse
Too much voltage
TRS

6. Ethernet network
Redundant Array of Independant (Inexpensive) Disks.
1024 x 786
RJ-45
Network communications

7. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Cathode Ray Tube
Front Side Bus.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

8. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
RJ-11
Componentization
Network communications

9. 10Base-5 Ethernet and game ports use this cable
DB-15
200
1600 x 1200
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.

10. What are the 4 main types of storage?
the motherboard
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

11. QXGA is ____x____
Redundant Array of Independant (Inexpensive) Disks.
2048 x 1536
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

12. What is VRAM used for?
Serial
ECC
VGA/SVGA monitor
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

13. Serial mouse or external modem
Serial
VGA/SVGA monitor
B-9 serial
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

14. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Error Correction Code.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Joystick

15. What are the 6 form factors of motherboards?
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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
tasks or 'Threads'
ATX - BTX - Micro ATX - ITX - NLX - and LPX

16. External modems most commonly connect to this port.
Serial
the motherboard
DB-15
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

17. What does CRT stand for?
Speaker
Redundant Array of Independant (Inexpensive) Disks.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Cathode Ray Tube

18. A temporary data storage location that can be read from and written to.
PS/2-style mouse
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
240
Random Access Memory (RAM)

19. ZIF stands for ______.
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.
ECC
Very Brief time (milliseconds) of too much voltage

20. What do the type types of Hard Drive acronyms stand for?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
200
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Standardization

21. LGA stands for ______.
DB-25
Line Grid Array
Standardization
charged coupled device (CCD)

22. Printers
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-25 parallel
charged coupled device (CCD)
9-pin serial

23. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Storage
RJ-11
ECC
DB-25 parallel

24. An example of a device that uses a 6-pin Mini-DIN connector.
DB-25
PS/2-style mouse
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
9-pin serial

25. An example of firmware.
BIOS
verifying data integrity.
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.
Too little voltage

26. What is a Blackout?
Power failure
Random Access Memory (RAM)
Volatile
RJ-11

27. Number of Pins for Drives: 3. SATA
removable chips on the motherboard
7 or 15 (powered)
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

28. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Line Grid Array
5.25
the motherboard
240

29. Number of Pins for Drives: 2. SCSI
DB-25
charged coupled device (CCD)
Firewire 6-pin
50 - 68 - or 80

30. Before sending a power supply to the recycling facility...
1600 x 1200
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.
VGA/SVGA monitor

31. What is a Brownout?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Speaker
Too little voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

32. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Front Side Bus.
Output
Line Grid Array

33. What is the formal name of the 'headphone jack'?
the CPU
2048 x 1536
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
184

34. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
removable chips on the motherboard
DB-15
USB Type A
Power failure

35. An example of a device that uses a TRS connector.
Speaker
4
removable chips on the motherboard
Serial

36. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
2048 x 1536
Serial
USB Type A
Firmware

37. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX

38. Number of Pins for Drives: 4. FDD
34
Line Grid Array
TRS
9

39. UXGA is _____x_____
1600 x 1200
Too little voltage
50 - 68 - or 80
Radial Lines

40. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
3
800 x 600
40 or 80

41. A type of memory that loses data when the power is no longer supplied to the component.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
B-9 serial
Volatile
Processing

42. How many pins is a DDR2 DIMM?
240
Random Access Memory (RAM)
charged coupled device (CCD)
DB-15

43. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.
200

44. Multiple core allow the PC to simultaneously process multiple ______.

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45. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Power failure
Too little voltage
Speaker
Firewire 6-pin

46. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
240
Error Correction Code.
Radial Lines

47. Spike
Power failure
Firewire 6-pin
Very Brief time (milliseconds) of too much voltage
Hardware

48. 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.
PS/2-style mouse
Radial Lines
Standardization
verifying data integrity.

49. 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.
Processing
tasks or 'Threads'
DB-15
Front Side Bus.

50. What does LCD stand for?
the motherboard
Liquid Crystal Display
tasks or 'Threads'
CMOS