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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. A serial mouse connects to a computer with this connector.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Joystick
9-pin serial
200

2. What is a Blackout?
DB-25
Power failure
B-9 serial
Input

3. Spike
144
Very Brief time (milliseconds) of too much voltage
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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

4. External modems most commonly connect to this port.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Serial
Coaxial
Complex -Instruction - Set - Chips - Used in General Purpose PCs

5. 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.
2048 x 1536
184
Networking and Communications
RJ-11

6. SDRAM sands for _______.
4
Power failure
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

7. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
144
Error Correction Code.
Radial Lines

8. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Very Brief time (milliseconds) of too much voltage
4
Standardization

9. What does LCD stand for?
RJ-45
Serial
Liquid Crystal Display
DB-25

10. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
Random Access Memory (RAM)
the CPU
CMOS

11. How many pins is a DDR3 DIMM?
Radial Lines
Cathode Ray Tube
240
RJ-11

12. Before sending a power supply to the recycling facility...
Componentization
TRS
50 - 68 - or 80
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.

13. A type of memory that loses data when the power is no longer supplied to the component.
Small Outline DIMM
Volatile
Random Access Memory (RAM)
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

14. What is VRAM used for?
BIOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
800 x 600
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

15. An example of a device that uses a 6-pin Mini-DIN connector.
Software
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.
40 or 80
PS/2-style mouse

16. Internal modem or telephone
200
RJ-11
Redundant Array of Independant (Inexpensive) Disks.
Software

17. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Componentization
CMOS
DB-25
VGA/SVGA monitor

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

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19. The actual speed of the CPU is governed by a _______ setting called the clock rate.
40 or 80
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.
Standardization
BIOS

20. ZIF stands for ______.
Cache
7 or 15 (powered)
9-pin serial
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.

21. Serial mouse or external modem
144
the motherboard
charged coupled device (CCD)
B-9 serial

22. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
240
240
charged coupled device (CCD)
Processing

23. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Hardware
1600 x 1200
5.25

24. What are the 4 main types of storage?
Radial Lines
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
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

25. How many pins is a DDR DIMM?
Very brief time (milliseconds) of too little voltage
Firewire 6-pin
Small Outline DIMM
184

26. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
RJ-45
240
Error Correction Code.
Firmware

27. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
Storage
CMOS
50 - 68 - or 80

28. An example of a device that uses a TRS connector.
Speaker
Cathode Ray Tube
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
800 x 600

29. Printers
Componentization
4
Liquid Crystal Display
DB-25 parallel

30. 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
40 or 80
1600 x 1200
Componentization

31. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-25
Hardware
CMOS

32. What does SODIMM stand for?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Small Outline DIMM
Volatile
Software

33. XGA is ____x_____
1024 x 786
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Liquid Crystal Display
Redundant Array of Independant (Inexpensive) Disks.

34. What are the 6 form factors of motherboards?
the CPU
Input
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
ATX - BTX - Micro ATX - ITX - NLX - and LPX

35. Ethernet network
RJ-45
Cache
USB Type A
Standardization

36. Level two cache is located on _______.
PCIe - PCI - AGP - ESIA - and ISA
184
the motherboard
the CPU

37. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Storage
TRS
USB Type A

38. What are the two types of RAM?
CMOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Very brief time (milliseconds) of too little voltage
240

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

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40. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Too much voltage
Network communications
CMOS
Front Side Bus.

41. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
Componentization
144
DB-25

42. What is Virtual RAM?
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.
verifying data integrity.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

43. level three cache is located on _________.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
BIOS
removable chips on the motherboard
1600 x 1200

44. What does SIMM stand for?
Power failure
Single Inline Memory Module - has 30 or 72 contacts on only one side.
B-9 serial
Serial

45. What do the type types of Hard Drive acronyms stand for?
Too much voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Cache
9

46. 10Base-5 Ethernet and game ports use this cable
BIOS
DB-15
CMOS
200

47. An area of memory that holds recently-accessed data.
Processing
PS/2-style mouse
Cache
Error Correction Code.

48. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
240
detects and fixes corrupt data in RAM.
Output
40 or 80

49. Surge
Too much voltage
charged coupled device (CCD)
3
Small Outline DIMM

50. What is a Sag?
Storage
Input
Cache
Very brief time (milliseconds) of too little voltage