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Test your basic knowledge |

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. Before sending a power supply to the recycling facility...
Software
B-9 serial
the CPU
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.

2. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Storage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Hardware
240

3. 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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-15
3
charged coupled device (CCD)

4. What do the type types of Hard Drive acronyms stand for?
Storage
40 or 80
PCIe - PCI - AGP - ESIA - and ISA
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

5. Serial mouse or external modem
34
Too much voltage
B-9 serial
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

6. CPUs: What is RISC?
40 or 80
tasks or 'Threads'
Very Brief time (milliseconds) of too much voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

7. Surge
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Cathode Ray Tube
Liquid Crystal Display
Too much voltage

8. What is a Blackout?
1024 x 786
Componentization
Power failure
144

9. Internal modem or telephone
Single Inline Memory Module - has 30 or 72 contacts on only one side.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
240
RJ-11

10. Ethernet network
9-pin serial
RJ-45
Networking and Communications
144

11. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
detects and fixes corrupt data in RAM.
PS/2-style mouse
CMOS
144

12. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Too much voltage
Radial Lines
the motherboard
ECC

13. What does ECC stand for?
Error Correction Code.
Line Grid Array
Networking and Communications
verifying data integrity.

14. LGA stands for ______.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Line Grid Array
34
CMOS

15. How many pins is a SODIMM DDR DIMM?
Joystick
144
2048 x 1536
charged coupled device (CCD)

16. RAID 5 has at least ___ hard drives.
3
TRS
PS/2-style mouse
Liquid Crystal Display

17. Computer programs that perform specific tasks include: - Operating System- Program applications - Hardware drivers (special programs that tell the operating system how to use the hardware)
PCIe - PCI - AGP - ESIA - and ISA
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Redundant Array of Independant (Inexpensive) Disks.
Software

18. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
1024 x 786
Liquid Crystal Display
charged coupled device (CCD)

19. An example of a device that uses a TRS connector.
40 or 80
DB-15
USB Type A
Speaker

20. 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.
5.25
Componentization
DB-15
Pin Grid Array

21. How many pins is a SODIMM DDR2 DIMM?
200
the motherboard
order Boot sequence - Integrated devices - drive controllers - power supply settings
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

22. What does CRT stand for?
BIOS
Very brief time (milliseconds) of too little voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Cathode Ray Tube

23. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
B-9 serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
detects and fixes corrupt data in RAM.

24. A serial mouse connects to a computer with this connector.
9-pin serial
Networking and Communications
BIOS
Firmware

25. How many pins is a DDR DIMM?
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.
200
184

26. Printers
DB-25 parallel
Small Outline DIMM
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.
detects and fixes corrupt data in RAM.

27. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
144
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
USB Type A

28. Level one cache is located on ___________.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
the CPU
Componentization
Too much voltage

29. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Radial Lines
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

30. What does RIMM stand for?
800 x 600
Processing
Networking and Communications
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

31. Level two cache is located on _______.
2048 x 1536
Very brief time (milliseconds) of too little voltage
the motherboard
Cache

32. 10Base-2 Ethernet uses this cable.
Coaxial
Storage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
ATX - BTX - Micro ATX - ITX - NLX - and LPX

33. PGA stands for
144
Pin Grid Array
CMOS
Too much voltage

34. Number of Pins for Drives: 4. FDD
34
DB-15
Processing
Random Access Memory (RAM)

35. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
34
Front Side Bus.
144
charged coupled device (CCD)

36. An area of memory that holds recently-accessed data.
Cache
Input
the CPU
CMOS

37. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
7 or 15 (powered)
1600 x 1200
PCIe - PCI - AGP - ESIA - and ISA
Front Side Bus.

38. UXGA is _____x_____
Error Correction Code.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Radial Lines
1600 x 1200

39. 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.
Line Grid Array
Firewire 6-pin
Networking and Communications
144

40. What is a Brownout?
3
Very Brief time (milliseconds) of too much voltage
Too little voltage
DB-25 parallel

41. 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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
5.25
34

42. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
RJ-45
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Pin Grid Array
4

43. What is Virtual RAM?
Firmware
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.
VGA/SVGA monitor

44. Number of Pins for Drives: 2. SCSI
Single Inline Memory Module - has 30 or 72 contacts on only one side.
tasks or 'Threads'
Pin Grid Array
50 - 68 - or 80

45. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Very brief time (milliseconds) of too little voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings
9
TRS

46. Spike
Coaxial
Very Brief time (milliseconds) of too much voltage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

47. XGA is ____x_____
order Boot sequence - Integrated devices - drive controllers - power supply settings
PS/2-style mouse
240
1024 x 786

48. Parallel devices connect to this connector.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DB-25
Cathode Ray Tube
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

49. QXGA is ____x____
2048 x 1536
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Too little voltage
9-pin serial

50. ZIF stands for ______.
240
1600 x 1200
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
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.