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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. What does SODIMM stand for?
Output
tasks or 'Threads'
Firewire 6-pin
Small Outline DIMM

2. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Storage
Hardware
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

3. 10Base-5 Ethernet and game ports use this cable
1024 x 786
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-15
Input

4. ZIF stands for ______.
DB-15
Processing
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.
9

5. Number of Pins for Drives: 3. SATA
the motherboard
Line Grid Array
RJ-11
7 or 15 (powered)

6. An example of a device that uses a low-density (two-row) male DB-15 connector.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Joystick
VGA/SVGA monitor
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.

7. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Hardware
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Input
CMOS

8. How many pins is a DDR DIMM?
184
Too little voltage
Very brief time (milliseconds) of too little voltage
removable chips on the motherboard

9. A temporary data storage location that can be read from and written to.
VGA/SVGA monitor
Power failure
Random Access Memory (RAM)
Complex -Instruction - Set - Chips - Used in General Purpose PCs

10. Ethernet network
order Boot sequence - Integrated devices - drive controllers - power supply settings
RJ-45
Radial Lines
Line Grid Array

11. Parallel devices connect to this connector.
verifying data integrity.
Network communications
DB-25
Pin Grid Array

12. Printers
Liquid Crystal Display
BIOS
DB-25 parallel
detects and fixes corrupt data in RAM.

13. Level two cache is located on _______.
Hardware
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
PS/2-style mouse
the motherboard

14. 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)
Very brief time (milliseconds) of too little voltage
Software
Hardware
Firmware

15. 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.
Too little voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Componentization
Front Side Bus.

16. What is the formal name of the 'headphone jack'?
CMOS
RJ-11
7 or 15 (powered)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

17. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
removable chips on the motherboard
Joystick
tasks or 'Threads'
TRS

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

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19. A type of memory that loses data when the power is no longer supplied to the component.
CMOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Volatile
TRS

20. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Componentization
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

21. An example of firmware.
144
BIOS
50 - 68 - or 80
Random Access Memory (RAM)

22. What is Virtual RAM?
TRS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
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.
DB-25

23. External modems most commonly connect to this port.
Input
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
4
Serial

24. What is a Sag?
ECC
2048 x 1536
Very brief time (milliseconds) of too little voltage
Speaker

25. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1600 x 1200

26. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
PCIe - PCI - AGP - ESIA - and ISA
Storage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Output

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

28. What are the 4 main types of storage?
144
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Error Correction Code.
Coaxial

29. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Pin Grid Array

30. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
BIOS
removable chips on the motherboard
240

31. How many pins is a DDR2 DIMM?
240
PCIe - PCI - AGP - ESIA - and ISA
DB-25 parallel
Standardization

32. UXGA is _____x_____
Hardware
Too much voltage
1600 x 1200
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

33. How many pins is a DDR3 DIMM?
removable chips on the motherboard
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Complex -Instruction - Set - Chips - Used in General Purpose PCs

34. Surge
removable chips on the motherboard
1024 x 786
Radial Lines
Too much voltage

35. What is a Blackout?
Processing
removable chips on the motherboard
Joystick
Power failure

36. 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.
200
Networking and Communications
Radial Lines

37. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
240
DB-15
DB-15
4

38. An area of memory that holds recently-accessed data.
PCIe - PCI - AGP - ESIA - and ISA
34
Cache
Joystick

39. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Networking and Communications
144
USB Type A
800 x 600

40. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
PS/2-style mouse
Hardware
CMOS
TRS

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

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42. What is VRAM used for?
240
Line Grid Array
CMOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

43. What does ECC do?
CMOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
detects and fixes corrupt data in RAM.
CMOS

44. Number of Pins for Drives: 4. FDD
144
Serial
34
Single Inline Memory Module - has 30 or 72 contacts on only one side.

45. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
DB-25
5.25
B-9 serial
Output

46. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
BIOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Very Brief time (milliseconds) of too much voltage

47. What are the two types of RAM?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
184
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
2048 x 1536

48. What does CRT stand for?
B-9 serial
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Cathode Ray Tube

49. 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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Networking and Communications
7 or 15 (powered)
Standardization

50. An example of a device that uses a 6-pin Mini-DIN connector.
Output
9
Hardware
PS/2-style mouse