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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 does ECC do?
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.
7 or 15 (powered)
9
detects and fixes corrupt data in RAM.

2. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Standardization
Cathode Ray Tube
240

3. Serial mouse or external modem
9-pin serial
34
B-9 serial
Storage

4. 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)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Volatile
Speaker
Software

5. 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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
144
Network communications
verifying data integrity.

6. An example of a device that uses a high-density (three-row) DB-15 connector.
order Boot sequence - Integrated devices - drive controllers - power supply settings
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.
VGA/SVGA monitor
Complex -Instruction - Set - Chips - Used in General Purpose PCs

7. Internal modem or telephone
RJ-11
Line Grid Array
the CPU
184

8. LGA stands for ______.
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.
Firewire 6-pin
Line Grid Array
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

9. RAID stands for _________.
Network communications
detects and fixes corrupt data in RAM.
Redundant Array of Independant (Inexpensive) Disks.
DB-15

10. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Componentization
RJ-11
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Hardware

11. level three cache is located on _________.
removable chips 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.
Software
RJ-11

12. CPUs: What is RISC?
RJ-11
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
240
Output

13. 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
34
Very brief time (milliseconds) of too little voltage
Serial

14. Parallel devices connect to this connector.
40 or 80
Input
Storage
DB-25

15. RAID 5 has at least ___ hard drives.
DB-15
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS
3

16. PGA stands for
Pin Grid Array
144
Very brief time (milliseconds) of too little voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

17. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
Redundant Array of Independant (Inexpensive) Disks.
DB-15
charged coupled device (CCD)

18. What does RIMM stand for?
4
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

19. CPUS: What is CISC?
Networking and Communications
Redundant Array of Independant (Inexpensive) Disks.
Software
Complex -Instruction - Set - Chips - Used in General Purpose PCs

20. XGA is ____x_____
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Hardware
1024 x 786
50 - 68 - or 80

21. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
B-9 serial
CMOS
Firewire 6-pin
Power failure

22. 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.
7 or 15 (powered)
Networking and Communications
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.

23. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
RJ-45
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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
PCIe - PCI - AGP - ESIA - and ISA

24. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Coaxial
Joystick
200

25. What is Virtual RAM?
tasks or 'Threads'
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.
Radial Lines
DB-25 parallel

26. How many pins is a MICRODIMM DIMM?
Serial
Firmware
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
144

27. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
charged coupled device (CCD)
PCIe - PCI - AGP - ESIA - and ISA
50 - 68 - or 80

28. How many pins is a DDR DIMM?
184
DB-15
Very Brief time (milliseconds) of too much voltage
the motherboard

29. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
CMOS
Networking and Communications
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.

30. How many pins is a SODIMM DDR2 DIMM?
Speaker
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Networking and Communications
200

31. A temporary data storage location that can be read from and written to.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
USB Type A
3
Random Access Memory (RAM)

32. What is VRAM used for?
34
RJ-11
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-15

33. What do the type types of Hard Drive acronyms stand for?
9-pin serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
2048 x 1536

34. What does SODIMM stand for?
Small Outline DIMM
144
Volatile
Networking and Communications

35. What does LCD stand for?
removable chips on the motherboard
2048 x 1536
Redundant Array of Independant (Inexpensive) Disks.
Liquid Crystal Display

36. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Radial Lines
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

37. 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
BIOS
CMOS
3

38. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
1600 x 1200
Pin Grid Array
40 or 80
tasks or 'Threads'

39. Serial ports have this many pins.
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.
Error Correction Code.
3

40. Number of Pins for Drives: 3. SATA
Error Correction Code.
Standardization
7 or 15 (powered)
RJ-45

41. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
1024 x 786
Firewire 6-pin
Front Side Bus.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

42. A serial mouse connects to a computer with this connector.
9-pin serial
7 or 15 (powered)
Speaker
PS/2-style mouse

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

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44. External modems most commonly connect to this port.
Standardization
Serial
removable chips on the motherboard
Speaker

45. How many pins is a SODIMM DDR DIMM?
144
Coaxial
7 or 15 (powered)
removable chips on the motherboard

46. Surge
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Too much voltage

47. An example of a device that uses a 6-pin Mini-DIN connector.
charged coupled device (CCD)
Pin Grid Array
PS/2-style mouse
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

48. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
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.
1600 x 1200
34

49. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
CMOS
Output
the CPU
Firewire 6-pin

50. What does SIMM stand for?
verifying data integrity.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Error Correction Code.
Input

Can you answer 50 questions in 15 minutes?

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Comptia A +: Hardware

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