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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. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
PCIe - PCI - AGP - ESIA - and ISA
800 x 600

2. The BIOS is stored on the _______ chip that is on the motherboard.
34
CMOS
tasks or 'Threads'
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

3. 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
240
DB-25 parallel
Networking and Communications

4. 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
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Very Brief time (milliseconds) of too much voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

5. 10Base-5 Ethernet and game ports use this cable
DB-25
DB-15
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Firmware

6. 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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Standardization
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

7. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Processing
verifying data integrity.
DB-25 parallel
40 or 80

8. Serial mouse or external modem
Line Grid Array
B-9 serial
Error Correction Code.
Firewire 6-pin

9. 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.
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
Cache
Very brief time (milliseconds) of too little voltage

10. LGA stands for ______.
Line Grid Array
Cache
Processing
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

11. An example of firmware.
Liquid Crystal Display
BIOS
Coaxial
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

12. An example of a device that uses a low-density (two-row) male DB-15 connector.
BIOS
DB-25
240
Joystick

13. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
the CPU
Software
USB Type A
DB-15

14. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Componentization
CMOS
144
Networking and Communications

15. Surge
Too much 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.
DB-25 parallel
BIOS

16. What does RIMM stand for?
removable chips on the motherboard
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Too little voltage

17. BIOS allows you to do 4 things - what are they?
Serial
order Boot sequence - Integrated devices - drive controllers - power supply settings
Pin Grid Array
Redundant Array of Independant (Inexpensive) Disks.

18. What does SIMM stand for?
Small Outline DIMM
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Processing
200

19. A temporary data storage location that can be read from and written to.
TRS
144
CMOS
Random Access Memory (RAM)

20. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Joystick
Coaxial
34

21. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
3
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.

22. What do the type types of Hard Drive acronyms stand for?
1024 x 786
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
VGA/SVGA monitor

23. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
5.25
Line Grid Array
removable chips on the motherboard

24. RAID stands for _________.
200
Redundant Array of Independant (Inexpensive) Disks.
PS/2-style mouse
Line Grid Array

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

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

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27. 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.
Cathode Ray Tube
Radial Lines
Single Inline Memory Module - has 30 or 72 contacts on only one side.
verifying data integrity.

28. What is a Sag?
VGA/SVGA monitor
Very brief time (milliseconds) of too little voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
the motherboard

29. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
the CPU
TRS
Processing
ECC

30. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
2048 x 1536
Random Access Memory (RAM)
Front Side Bus.
CMOS

31. How many pins is a SODIMM DDR DIMM?
DB-15
charged coupled device (CCD)
144
Serial

32. What is the formal name of the 'headphone jack'?
Radial Lines
CMOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

33. Serial ports have this many pins.
charged coupled device (CCD)
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
9
Componentization

34. 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)
DB-15
PS/2-style mouse
Software
detects and fixes corrupt data in RAM.

35. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Random Access Memory (RAM)
B-9 serial
DB-15
TRS

36. level three cache is located on _________.
Radial Lines
BIOS
removable chips on the motherboard
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

37. What are the two types of RAM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Small Outline DIMM

38. What is VRAM used for?
Redundant Array of Independant (Inexpensive) Disks.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

39. 10Base-2 Ethernet uses this cable.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
CMOS
Coaxial

40. How many pins is a MICRODIMM DIMM?
144
CMOS
5.25
Pin Grid Array

41. A type of memory that loses data when the power is no longer supplied to the component.
Joystick
Line Grid Array
order Boot sequence - Integrated devices - drive controllers - power supply settings
Volatile

42. What is a Brownout?
Radial Lines
Cache
charged coupled device (CCD)
Too little voltage

43. RAID 5 has at least ___ hard drives.
DB-15
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.
charged coupled device (CCD)
3

44. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
RJ-45
Very Brief time (milliseconds) of too much voltage
Storage
Componentization

45. Parallel devices connect to this connector.
Networking and Communications
DB-25
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Joystick

46. What does SODIMM stand for?
Small Outline DIMM
BIOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Network communications

47. 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
RJ-45
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
4

48. What is Virtual RAM?
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.
BIOS
4
Networking and Communications

49. Internal modem or telephone
PS/2-style mouse
DB-25
RJ-11
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

50. XGA is ____x_____
1024 x 786
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Front Side Bus.
B-9 serial