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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. Ethernet network
Firmware
CMOS
RJ-45
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.

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

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3. Before sending a power supply to the recycling facility...
Front Side Bus.
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.
Speaker
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.

4. XGA is ____x_____
Small Outline DIMM
1024 x 786
RJ-45
2048 x 1536

5. Number of Pins for Drives: 2. SCSI
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Random Access Memory (RAM)
50 - 68 - or 80

6. Surge
Too much voltage
Very brief time (milliseconds) of too little voltage
Redundant Array of Independant (Inexpensive) Disks.
Network communications

7. How many pins is a DDR2 DIMM?
Storage
240
4
VGA/SVGA monitor

8. What are the 4 main types of storage?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

9. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Volatile
TRS

10. Spike
184
BIOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Very Brief time (milliseconds) of too much voltage

11. How many pins is a MICRODIMM DIMM?
144
Pin Grid Array
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RJ-45

12. level three cache is located on _________.
BIOS
CMOS
the motherboard
removable chips on the motherboard

13. 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.
CMOS
Componentization
Input

14. 10Base-2 Ethernet uses this cable.
charged coupled device (CCD)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Input
Coaxial

15. What are the two types of RAM?
144
ECC
Error Correction Code.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

16. Number of Pins for Drives: 4. FDD
Hardware
4
PS/2-style mouse
34

17. Parallel devices connect to this connector.
9
Storage
40 or 80
DB-25

18. What is the formal name of the 'headphone jack'?
DB-25 parallel
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
BIOS

19. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Firewire 6-pin
9
USB Type A
Output

20. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
Very Brief time (milliseconds) of too much voltage
DB-25
tasks or 'Threads'

21. What do the type types of Hard Drive acronyms stand for?
tasks or 'Threads'
1024 x 786
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Error Correction Code.

22. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Liquid Crystal Display
Volatile
Standardization
CMOS

23. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
PCIe - PCI - AGP - ESIA - and ISA
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
184

24. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Power failure
Input
Storage
charged coupled device (CCD)

25. 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.
Standardization
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Speaker
PCIe - PCI - AGP - ESIA - and ISA

26. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Liquid Crystal Display
BIOS
144
Serial

27. 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.
Too much voltage
B-9 serial
Componentization
Standardization

28. SVGA is ____ x_____
VGA/SVGA monitor
800 x 600
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.
Network communications

29. 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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-25
DB-15

30. An area of memory that holds recently-accessed data.
Cache
detects and fixes corrupt data in RAM.
Very Brief time (milliseconds) of too much voltage
ECC

31. RAID 5 has at least ___ hard drives.
3
Pin Grid Array
Output
184

32. 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.
1024 x 786
Networking and Communications
removable chips on the motherboard
DB-15

33. A type of memory that loses data when the power is no longer supplied to the component.
9
BIOS
Volatile
1024 x 786

34. Serial mouse or external modem
RJ-45
RJ-11
B-9 serial
Standardization

35. PGA stands for
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
184
Pin Grid Array
ECC

36. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Standardization
Input
Firewire 6-pin
9

37. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
PCIe - PCI - AGP - ESIA - and ISA
Too much voltage
Front Side Bus.
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.

38. What is a Sag?
Software
40 or 80
Very brief time (milliseconds) of too little voltage
CMOS

39. UXGA is _____x_____
1600 x 1200
Too little voltage
Componentization
Processing

40. What does ECC do?
1024 x 786
detects and fixes corrupt data in RAM.
Firmware
184

41. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
184
Very brief time (milliseconds) of too little voltage
ECC
DB-25 parallel

42. How many pins is a SODIMM DDR DIMM?
144
PS/2-style mouse
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

43. An example of a device that uses a high-density (three-row) DB-15 connector.
TRS
9
Pin Grid Array
VGA/SVGA monitor

44. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
1600 x 1200
40 or 80
2048 x 1536
Networking and Communications

45. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
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.
4
Firmware
9-pin serial

46. Printers
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.
144
DB-25 parallel

47. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Hardware
9
144

48. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
184
Software
Processing
34

49. 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)
3
Serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

50. An example of firmware.
144
Storage
BIOS
Random Access Memory (RAM)