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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.
Componentization
Joystick
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
9-pin serial

2. An example of a device that uses a TRS connector.
DB-25
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Speaker
Line Grid Array

3. What does ECC do?
detects and fixes corrupt data in RAM.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Firewire 6-pin
CMOS

4. XGA is ____x_____
Input
Networking and Communications
1024 x 786
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

5. What does SODIMM stand for?
CMOS
1024 x 786
Volatile
Small Outline DIMM

6. Number of Pins for Drives: 3. SATA
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.
7 or 15 (powered)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Volatile

7. A type of memory that loses data when the power is no longer supplied to the component.
USB Type A
Volatile
Hardware
order Boot sequence - Integrated devices - drive controllers - power supply settings

8. How many pins is a SODIMM DDR DIMM?
BIOS
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.
144

9. Number of Pins for Drives: 4. FDD
34
144
tasks or 'Threads'
9

10. How many pins is a DDR2 DIMM?
240
144
RJ-11
9-pin serial

11. An area of memory that holds recently-accessed data.
Cache
RJ-11
DB-25 parallel
Volatile

12. BIOS allows you to do 4 things - what are they?
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.
Random Access Memory (RAM)
DB-15
order Boot sequence - Integrated devices - drive controllers - power supply settings

13. What is Virtual RAM?
RJ-11
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.
CMOS

14. Parity is used in some _____________ - hard drives - and RAM.
TRS
Software
Network communications
the motherboard

15. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
Componentization
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
detects and fixes corrupt data in RAM.

16. LGA stands for ______.
Line Grid Array
tasks or 'Threads'
Speaker
Firewire 6-pin

17. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
detects and fixes corrupt data in RAM.
4
50 - 68 - or 80

18. How many pins is a MICRODIMM DIMM?
144
184
Too much voltage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

19. level three cache is located on _________.
Cache
144
removable chips on the motherboard
Output

20. An example of firmware.
Front Side Bus.
Too much voltage
BIOS
Too little voltage

21. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
40 or 80
TRS
Firmware
Cathode Ray Tube

22. An example of a device that uses a 6-pin Mini-DIN connector.
VGA/SVGA monitor
240
4
PS/2-style mouse

23. Before sending a power supply to the recycling facility...
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.
DB-15
Coaxial
184

24. What is VRAM used for?
Processing
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
144
DB-25 parallel

25. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
Componentization
240

26. External modems most commonly connect to this port.
Cache
Serial
200
Networking and Communications

27. What is the formal name of the 'headphone jack'?
Pin Grid Array
40 or 80
TRS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

28. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
200
Storage
Very Brief time (milliseconds) of too much voltage
Volatile

29. SVGA is ____ x_____
removable chips on the motherboard
tasks or 'Threads'
800 x 600
BIOS

30. Ethernet network
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Too much voltage
RJ-45
order Boot sequence - Integrated devices - drive controllers - power supply settings

31. A serial mouse connects to a computer with this connector.
Error Correction Code.
9-pin serial
Network communications
verifying data integrity.

32. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
order Boot sequence - Integrated devices - drive controllers - power supply settings
240
Radial Lines
240

33. An example of a device that uses a high-density (three-row) DB-15 connector.
Radial Lines
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Cache
VGA/SVGA monitor

34. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
order Boot sequence - Integrated devices - drive controllers - power supply settings
USB Type A
4
144

35. SCSI code is set by a 4 things - what are they?
Network communications
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Coaxial
240

36. What is a Brownout?
Liquid Crystal Display
Componentization
4
Too little voltage

37. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
CMOS
800 x 600
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Hardware

38. An example of a device that uses a low-density (two-row) male DB-15 connector.
Standardization
9-pin serial
Joystick
the motherboard

39. Spike
DB-25
CMOS
B-9 serial
Very Brief time (milliseconds) of too much voltage

40. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
144
800 x 600
Processing
DB-15

41. 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)
PCIe - PCI - AGP - ESIA - and ISA
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
order Boot sequence - Integrated devices - drive controllers - power supply settings

42. PGA stands for
removable chips on the motherboard
Pin Grid Array
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
34

43. Number of Pins for Drives: 2. SCSI
CMOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
50 - 68 - or 80
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.

44. CPUs: What is RISC?
detects and fixes corrupt data in RAM.
4
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Processing

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

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46. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
34
Joystick
Hardware
Front Side Bus.

47. 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.
184
Very brief time (milliseconds) of too little voltage
Storage
Networking and Communications

48. The actual speed of the CPU is governed by a _______ setting called the clock rate.
3
the motherboard
BIOS
Storage

49. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Very Brief time (milliseconds) of too much voltage
4
RJ-11
Line Grid Array

50. How many pins is a DDR3 DIMM?
Storage
order Boot sequence - Integrated devices - drive controllers - power supply settings
9
240