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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. 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.
Networking and Communications
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.
240

2. How many pins is a SODIMM DDR DIMM?
144
Radial Lines
TRS
Random Access Memory (RAM)

3. 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)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
PS/2-style mouse
Software
Power failure

4. What do the type types of Hard Drive acronyms stand for?
4
Software
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Processing

5. How many pins is a DDR3 DIMM?
removable chips on the motherboard
240
1024 x 786
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.

6. BIOS allows you to do 4 things - what are they?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
order Boot sequence - Integrated devices - drive controllers - power supply settings
184
Coaxial

7. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Hardware
USB Type A
RJ-11
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

8. CPUs: What is RISC?
184
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Very Brief time (milliseconds) of too much voltage
Output

9. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
RJ-11
Input
B-9 serial
Very brief time (milliseconds) of too little voltage

10. An example of firmware.
DB-15
DB-25
Hardware
BIOS

11. level three cache is located on _________.
tasks or 'Threads'
4
Error Correction Code.
removable chips on the motherboard

12. 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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Line Grid Array
DB-15
DB-25 parallel

13. CPUS: What is CISC?
VGA/SVGA monitor
Complex -Instruction - Set - Chips - Used in General Purpose PCs
RJ-11
Error Correction Code.

14. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Small Outline DIMM
4
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
BIOS

15. ZIF stands for ______.
Small Outline DIMM
Too much voltage
Pin Grid Array
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.

16. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
DB-25 parallel
7 or 15 (powered)
800 x 600

17. What is the formal name of the 'headphone jack'?
184
34
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
CMOS

18. What is a Brownout?
CMOS
1600 x 1200
PS/2-style mouse
Too little voltage

19. SDRAM sands for _______.
Software
VGA/SVGA monitor
Joystick
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

20. 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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Network communications
800 x 600

21. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Liquid Crystal Display
Front Side Bus.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Serial

22. External modems most commonly connect to this port.
BIOS
240
Too little voltage
Serial

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

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24. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
50 - 68 - or 80
Firmware
800 x 600
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

25. Serial ports have this many pins.
Coaxial
Complex -Instruction - Set - Chips - Used in General Purpose PCs
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
9

26. What is VRAM used for?
9
Too little voltage
RJ-45
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

27. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
2048 x 1536
PCIe - PCI - AGP - ESIA - and ISA
Software
5.25

28. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Firewire 6-pin
TRS
7 or 15 (powered)
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

29. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
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.
5.25
7 or 15 (powered)
40 or 80

30. Level one cache is located on ___________.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the CPU
40 or 80
2048 x 1536

31. UXGA is _____x_____
USB Type A
Joystick
1600 x 1200
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

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

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33. A type of memory that loses data when the power is no longer supplied to the component.
Cache
Very brief time (milliseconds) of too little voltage
Volatile
Processing

34. The actual speed of the CPU is governed by a _______ setting called the clock rate.
VGA/SVGA monitor
charged coupled device (CCD)
PCIe - PCI - AGP - ESIA - and ISA
BIOS

35. LGA stands for ______.
DB-15
removable chips on the motherboard
the motherboard
Line Grid Array

36. An example of a device that uses a high-density (three-row) DB-15 connector.
Standardization
Pin Grid Array
VGA/SVGA monitor
3

37. PGA stands for
Input
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.
Pin Grid Array
charged coupled device (CCD)

38. What does ECC stand for?
Error Correction Code.
detects and fixes corrupt data in RAM.
Power failure
PS/2-style mouse

39. A temporary data storage location that can be read from and written to.
Power failure
Firmware
CMOS
Random Access Memory (RAM)

40. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
184
Firewire 6-pin
ATX - BTX - Micro ATX - ITX - NLX - and LPX
removable chips on the motherboard

41. What is a Sag?
PCIe - PCI - AGP - ESIA - and ISA
Very brief time (milliseconds) of too little voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Radial Lines

42. How many pins is a DDR2 DIMM?
PS/2-style mouse
RJ-11
BIOS
240

43. What does SIMM stand for?
9-pin serial
Single Inline Memory Module - has 30 or 72 contacts on only one side.
34
800 x 600

44. Printers
DB-25 parallel
Very brief time (milliseconds) of too little voltage
Cathode Ray Tube
Cache

45. A serial mouse connects to a computer with this connector.
9-pin serial
Redundant Array of Independant (Inexpensive) Disks.
RJ-11
the motherboard

46. Surge
ATX - BTX - Micro ATX - ITX - NLX - and LPX
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.
Too much voltage
PS/2-style mouse

47. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
50 - 68 - or 80
9-pin serial
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.

48. SVGA is ____ x_____
800 x 600
Componentization
Too much voltage
PS/2-style mouse

49. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Error Correction Code.
Volatile
Network communications

50. What is a Blackout?
Firmware
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Power failure
charged coupled device (CCD)