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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.
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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. Level two cache is located on _______.
the motherboard
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.
RJ-45
1024 x 786

2. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-15
the CPU
Pin Grid Array

3. SVGA is ____ x_____
800 x 600
RJ-45
Processing
RJ-11

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

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5. SCSI code is set by a 4 things - what are they?
Very brief time (milliseconds) of too little voltage
Volatile
Power failure
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

6. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
USB Type A
Coaxial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

7. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Cache
Storage
200

8. An example of a device that uses a TRS connector.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Output
VGA/SVGA monitor
Speaker

9. Internal modem or telephone
5.25
TRS
DB-15
RJ-11

10. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
the CPU
detects and fixes corrupt data in RAM.
7 or 15 (powered)

11. XGA is ____x_____
1024 x 786
B-9 serial
Cathode Ray Tube
removable chips on the motherboard

12. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
1600 x 1200
DB-15
Software

13. Number of Pins for Drives: 3. SATA
144
7 or 15 (powered)
Radial Lines
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.

14. RAID 5 has at least ___ hard drives.
BIOS
3
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
ATX - BTX - Micro ATX - ITX - NLX - and LPX

15. What is VRAM used for?
Firmware
144
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
50 - 68 - or 80

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

17. CPUs: What is RISC?
Error Correction Code.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
charged coupled device (CCD)
Serial

18. BIOS allows you to do 4 things - what are they?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-25 parallel
9-pin serial

19. How many pins is a SODIMM DDR2 DIMM?
200
CMOS
USB Type A
Input

20. 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
34
BIOS
800 x 600

21. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Power failure
240
Serial
TRS

22. Level one cache is located on ___________.
the CPU
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
Volatile

23. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
2048 x 1536
ECC
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Joystick

24. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Redundant Array of Independant (Inexpensive) Disks.
Speaker
CMOS
Random Access Memory (RAM)

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.
ECC
Standardization
200
1024 x 786

26. 10Base-2 Ethernet uses this cable.
Componentization
Coaxial
4
Firmware

27. What are the 4 main types of storage?
Joystick
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
9

28. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Very Brief time (milliseconds) of too much voltage
Componentization
Firewire 6-pin
240

29. Surge
34
9
USB Type A
Too much voltage

30. level three cache is located on _________.
144
Very Brief time (milliseconds) of too much voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
removable chips on the motherboard

31. What does ECC do?
detects and fixes corrupt data in RAM.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
2048 x 1536
50 - 68 - or 80

32. External modems most commonly connect to this port.
PCIe - PCI - AGP - ESIA - and ISA
ECC
Error Correction Code.
Serial

33. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
50 - 68 - or 80
40 or 80
Storage
Output

34. A type of memory that loses data when the power is no longer supplied to the component.
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.
Volatile
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Power failure

35. What are the two types of RAM?
PS/2-style mouse
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
240
Line Grid Array

36. What is a Blackout?
Very Brief time (milliseconds) of too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Cathode Ray Tube
Power failure

37. Printers
Serial
Very Brief time (milliseconds) of too much voltage
DB-25 parallel
VGA/SVGA monitor

38. 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)
Software
DB-25 parallel
the CPU
removable chips on the motherboard

39. 10Base-5 Ethernet and game ports use this cable
34
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
9-pin serial
DB-15

40. Parallel devices connect to this connector.
DB-25
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Too much voltage
Very Brief time (milliseconds) of too much voltage

41. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
CMOS
34
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Output

42. What are the 6 form factors of motherboards?
B-9 serial
CMOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Networking and Communications

43. Before sending a power supply to the recycling facility...
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.
Error Correction Code.
Hardware
144

44. ZIF stands for ______.
1600 x 1200
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.
BIOS
200

45. PGA stands for
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.
DB-15
Storage
Pin Grid Array

46. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Joystick
Input
Too little voltage
240

47. How many pins is a MICRODIMM DIMM?
Very Brief time (milliseconds) of too much voltage
144
Very brief time (milliseconds) of too little voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX

48. How many pins is a DDR2 DIMM?
240
Hardware
DB-15
9-pin serial

49. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
CMOS
3
Complex -Instruction - Set - Chips - Used in General Purpose PCs
USB Type A

50. How many pins is a SODIMM DDR DIMM?
CMOS
Coaxial
Storage
144

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Comptia A +: Hardware

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