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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. Serial mouse or external modem
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.
B-9 serial
DB-15
order Boot sequence - Integrated devices - drive controllers - power supply settings

2. Spike
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.
Very Brief time (milliseconds) of too much voltage
DB-25 parallel
Serial

3. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
charged coupled device (CCD)
Hardware
4
Speaker

4. How many pins is a DDR2 DIMM?
CMOS
240
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
VGA/SVGA monitor

5. 10Base-5 Ethernet and game ports use this cable
Coaxial
9
DB-15
Error Correction Code.

6. How many pins is a DDR3 DIMM?
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.
240
RJ-45
CMOS

7. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
800 x 600
Firewire 6-pin
Hardware

8. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
DB-15
BIOS
Firmware
Liquid Crystal Display

9. What is a Sag?
Too much voltage
Radial Lines
Firmware
Very brief time (milliseconds) of too little voltage

10. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Power failure
34
ECC
Serial

11. What are the two types of RAM?
Firmware
200
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
B-9 serial

12. LGA stands for ______.
RJ-11
Network communications
1600 x 1200
Line Grid Array

13. What is a Blackout?
Too much voltage
Power failure
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
4

14. A temporary data storage location that can be read from and written to.
144
Random Access Memory (RAM)
144
Network communications

15. 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
Error Correction Code.
VGA/SVGA monitor
Output

16. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
tasks or 'Threads'
Very brief time (milliseconds) of too little voltage
Hardware

17. What are the 6 form factors of motherboards?
Liquid Crystal Display
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Complex -Instruction - Set - Chips - Used in General Purpose PCs
order Boot sequence - Integrated devices - drive controllers - power supply settings

18. An example of a device that uses a low-density (two-row) male DB-15 connector.
Volatile
Joystick
Line Grid Array
Power failure

19. An example of a device that uses a TRS connector.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Speaker
B-9 serial
Error Correction Code.

20. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Small Outline DIMM
CMOS
Random Access Memory (RAM)

21. SDRAM sands for _______.
Componentization
PCIe - PCI - AGP - ESIA - and ISA
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Output

22. QXGA is ____x____
CMOS
2048 x 1536
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Serial

23. How many pins is a SODIMM DDR2 DIMM?
200
RJ-45
Firmware
144

24. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
144
Front Side Bus.
Volatile

25. How many pins is a SODIMM DDR DIMM?
the CPU
Cache
DB-25 parallel
144

26. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Software
200
CMOS
DB-25

27. BIOS allows you to do 4 things - what are they?
Componentization
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
order Boot sequence - Integrated devices - drive controllers - power supply settings
Random Access Memory (RAM)

28. Number of Pins for Drives: 2. SCSI
Hardware
50 - 68 - or 80
144
B-9 serial

29. Level one cache is located on ___________.
PCIe - PCI - AGP - ESIA - and ISA
240
34
the CPU

30. External modems most commonly connect to this port.
Radial Lines
Output
Serial
tasks or 'Threads'

31. 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
Networking and Communications
Coaxial
DB-15

32. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Output
1024 x 786
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Input

33. Parity is used in some _____________ - hard drives - and RAM.
DB-25
7 or 15 (powered)
Network communications
240

34. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Liquid Crystal Display
Firewire 6-pin
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
detects and fixes corrupt data in RAM.

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

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36. A serial mouse connects to a computer with this connector.
9-pin serial
DB-15
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
184

37. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
Random Access Memory (RAM)
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
USB Type A

38. 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)
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.
detects and fixes corrupt data in RAM.
Too much voltage

39. How many pins is a MICRODIMM DIMM?
1024 x 786
144
200
DB-25

40. Number of Pins for Drives: 4. FDD
Too little voltage
34
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
3

41. XGA is ____x_____
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Pin Grid Array
1024 x 786

42. What do the type types of Hard Drive acronyms stand for?
USB Type A
Standardization
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
34

43. PGA stands for
Pin Grid Array
50 - 68 - or 80
800 x 600
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.

44. SVGA is ____ x_____
144
CMOS
800 x 600
40 or 80

45. level three cache is located on _________.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
removable chips on the motherboard
USB Type A
40 or 80

46. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
4
Redundant Array of Independant (Inexpensive) Disks.
144

47. SCSI code is set by a 4 things - what are they?
1024 x 786
DB-25
TRS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

48. An area of memory that holds recently-accessed data.
verifying data integrity.
DB-25 parallel
Cache
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.

49. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Line Grid Array
DB-25
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

50. What does CRT stand for?
Cathode Ray Tube
order Boot sequence - Integrated devices - drive controllers - power supply settings
144
Volatile

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Comptia A +: Hardware

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