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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
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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 4 main types of storage?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Hardware
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Redundant Array of Independant (Inexpensive) Disks.

2. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
PS/2-style mouse
4
200

3. What is a Sag?
charged coupled device (CCD)
Front Side Bus.
144
Very brief time (milliseconds) of too little voltage

4. What are the 6 form factors of motherboards?
CMOS
184
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DB-15

5. 10Base-2 Ethernet uses this cable.
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.
Coaxial
Standardization
Networking and Communications

6. What is Virtual RAM?
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.
Pin Grid Array
Redundant Array of Independant (Inexpensive) Disks.

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

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8. CPUS: What is CISC?
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1600 x 1200
DB-25 parallel

9. Internal modem or telephone
ECC
detects and fixes corrupt data in RAM.
RJ-11
Small Outline DIMM

10. An area of memory that holds recently-accessed data.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Line Grid Array
Cache
240

11. What does ECC do?
184
BIOS
detects and fixes corrupt data in RAM.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

12. How many pins is a SODIMM DDR2 DIMM?
DB-15
Network communications
200
Software

13. How many pins is a DDR DIMM?
184
5.25
7 or 15 (powered)
Networking and Communications

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

15. What does RIMM stand for?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Very Brief time (milliseconds) of too much voltage
5.25
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

16. How many pins is a MICRODIMM DIMM?
Line Grid Array
Radial Lines
Standardization
144

17. 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.
3
7 or 15 (powered)
Standardization
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

18. What do the type types of Hard Drive acronyms stand for?
Storage
Random Access Memory (RAM)
2048 x 1536
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

19. How many pins is a SODIMM DDR DIMM?
240
144
Firmware
240

20. SDRAM sands for _______.
Front Side Bus.
Too little voltage
Standardization
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

21. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Input
Line Grid Array
5.25

22. 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.
DB-15
Random Access Memory (RAM)
Output
removable chips on the motherboard

23. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
tasks or 'Threads'
order Boot sequence - Integrated devices - drive controllers - power supply settings
Speaker
CMOS

24. How many pins is a DDR2 DIMM?
USB Type A
Very Brief time (milliseconds) of too much voltage
144
240

25. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
USB Type A
34
Liquid Crystal Display

26. RAID stands for _________.
detects and fixes corrupt data in RAM.
CMOS
Redundant Array of Independant (Inexpensive) Disks.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

27. Serial ports have this many pins.
Coaxial
9
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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

28. 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.
Very brief time (milliseconds) of too little voltage
Networking and Communications
RJ-11
tasks or 'Threads'

29. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
DB-15
40 or 80
Output
PCIe - PCI - AGP - ESIA - and ISA

30. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
BIOS
240
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Input

31. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
ECC
Cache
Firmware
DB-25

32. What is VRAM used for?
240
144
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
removable chips on the motherboard

33. What is the formal name of the 'headphone jack'?
Line Grid Array
ATX - BTX - Micro ATX - ITX - NLX - and LPX
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Processing

34. What is a Brownout?
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.
USB Type A
Too little voltage
CMOS

35. Printers
DB-25 parallel
Serial
Output
Speaker

36. What does SODIMM stand for?
Volatile
PCIe - PCI - AGP - ESIA - and ISA
ECC
Small Outline DIMM

37. 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)
800 x 600
Software
9-pin serial
Single Inline Memory Module - has 30 or 72 contacts on only one side.

38. 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
BIOS
Very Brief time (milliseconds) of too much voltage
Input

39. Surge
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.
Too much voltage
Very brief time (milliseconds) of too little voltage

40. An example of a device that uses a TRS connector.
verifying data integrity.
Pin Grid Array
CMOS
Speaker

41. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
1024 x 786
Radial Lines
50 - 68 - or 80
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

42. Parity is used in some _____________ - hard drives - and RAM.
verifying data integrity.
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
Liquid Crystal Display

43. LGA stands for ______.
Line Grid Array
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.
Joystick
50 - 68 - or 80

44. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
B-9 serial
50 - 68 - or 80
Coaxial
CMOS

45. The BIOS is stored on the _______ chip that is on the motherboard.
Very brief time (milliseconds) of too little voltage
CMOS
CMOS
Power failure

46. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Storage
ECC
charged coupled device (CCD)
Joystick

47. The actual speed of the CPU is governed by a _______ setting called the clock rate.
184
tasks or 'Threads'
BIOS
200

48. An example of a device that uses a high-density (three-row) DB-15 connector.
removable chips on the motherboard
DB-25
200
VGA/SVGA monitor

49. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
50 - 68 - or 80
Serial
144
5.25

50. What does ECC stand for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Error Correction Code.
184
CMOS

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Comptia A +: Hardware

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