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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 type of memory that loses data when the power is no longer supplied to the component.
PS/2-style mouse
Volatile
1600 x 1200
Networking and Communications

2. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Radial Lines
200
Very brief time (milliseconds) of too little voltage

3. The actual speed of the CPU is governed by a _______ setting called the clock rate.
charged coupled device (CCD)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
BIOS
RJ-11

4. Serial ports have this many pins.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Small Outline DIMM
Joystick
9

5. An example of a device that uses a high-density (three-row) DB-15 connector.
Cache
Networking and Communications
VGA/SVGA monitor
50 - 68 - or 80

6. What is a Blackout?
Small Outline DIMM
Power failure
USB Type A
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

7. What does RIMM stand for?
9
order Boot sequence - Integrated devices - drive controllers - power supply settings
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
ECC

8. How many pins is a MICRODIMM DIMM?
Cache
Complex -Instruction - Set - Chips - Used in General Purpose PCs
5.25
144

9. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
BIOS
Input
Processing
Very Brief time (milliseconds) of too much voltage

10. What are the two types of RAM?
Processing
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Hardware
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

11. Number of Pins for Drives: 2. SCSI
Too much voltage
Error Correction Code.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
50 - 68 - or 80

12. Components from many different manufacturers are interchangeable. As long as the component meets the standards - you can be reasonably confident that it will work in the system.
Firewire 6-pin
5.25
Too much voltage
Standardization

13. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Very Brief time (milliseconds) of too much voltage
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.
Networking and Communications

14. RAID 5 has at least ___ hard drives.
1600 x 1200
3
Random Access Memory (RAM)
Networking and Communications

15. What are the 6 form factors of motherboards?
200
4
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

16. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
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
CMOS
verifying data integrity.

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

18. What does ECC stand for?
144
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.
Error Correction Code.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

19. BIOS allows you to do 4 things - what are they?
Error Correction Code.
order Boot sequence - Integrated devices - drive controllers - power supply settings
BIOS
1600 x 1200

20. Serial mouse or external modem
Hardware
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Firewire 6-pin
B-9 serial

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.
RJ-45
verifying data integrity.
Error Correction Code.
CMOS

22. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
the motherboard
Output
B-9 serial

23. Parallel devices connect to this connector.
the CPU
DB-25
Single Inline Memory Module - has 30 or 72 contacts on only one side.
verifying data integrity.

24. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
240
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
USB Type A
the CPU

25. The BIOS is stored on the _______ chip that is on the motherboard.
1024 x 786
Cathode Ray Tube
CMOS
Power failure

26. An area of memory that holds recently-accessed data.
Line Grid Array
Cache
RJ-11
200

27. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
144
144
Speaker

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

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29. What do the type types of Hard Drive acronyms stand for?
ECC
184
Coaxial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

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
Front Side Bus.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Storage

31. 10Base-5 Ethernet and game ports use this cable
Very brief time (milliseconds) of too little voltage
DB-15
Cache
Radial Lines

32. UXGA is _____x_____
1600 x 1200
tasks or 'Threads'
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Too little voltage

33. What is a Brownout?
Too little voltage
Cathode Ray Tube
Very Brief time (milliseconds) of too much voltage
144

34. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Joystick
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS

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

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36. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Front Side Bus.
USB Type A
Firmware
order Boot sequence - Integrated devices - drive controllers - power supply settings

37. A serial mouse connects to a computer with this connector.
USB Type A
9-pin serial
Hardware
1024 x 786

38. How many pins is a DDR DIMM?
Input
184
240
Cathode Ray Tube

39. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
VGA/SVGA monitor
DB-15
Hardware

40. How many pins is a DDR3 DIMM?
Standardization
RJ-11
240
9-pin serial

41. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
CMOS
3
Liquid Crystal Display

42. PGA stands for
9-pin serial
Pin Grid Array
Joystick
Error Correction Code.

43. 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.
4
Too little voltage
Error Correction Code.
Networking and Communications

44. What is a Sag?
the CPU
144
Very brief time (milliseconds) of too little voltage
verifying data integrity.

45. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DB-15
Coaxial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

46. Internal modem or telephone
Standardization
Cathode Ray Tube
Power failure
RJ-11

47. Surge
40 or 80
PS/2-style mouse
Too much voltage
RJ-45

48. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
tasks or 'Threads'
TRS
1600 x 1200

49. SDRAM sands for _______.
BIOS
Very Brief time (milliseconds) of too much voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

50. SVGA is ____ x_____
800 x 600
Very brief time (milliseconds) of too little voltage
PS/2-style mouse
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)