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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 RIMM stand for?
1600 x 1200
ECC
USB Type A
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

2. Before sending a power supply to the recycling facility...
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.
Random Access Memory (RAM)
9

3. How many pins is a MICRODIMM DIMM?
Volatile
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
144
Pin Grid Array

4. What does ECC stand for?
50 - 68 - or 80
Firewire 6-pin
Error Correction Code.
Cache

5. 10Base-5 Ethernet and game ports use this cable
Processing
DB-15
Complex -Instruction - Set - Chips - Used in General Purpose PCs
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

6. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Very brief time (milliseconds) of too little voltage
2048 x 1536
Volatile
CMOS

7. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
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.
5.25
Networking and Communications
Complex -Instruction - Set - Chips - Used in General Purpose PCs

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

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9. RAID stands for _________.
DB-25
Power failure
ECC
Redundant Array of Independant (Inexpensive) Disks.

10. Joystick or MIDI device (game port) - High Density DB-15 - VGA/SVGA monitor - 6-pin Mini-DIN - PS/2-style keyboard or mouse - By convention - purple connectors are used for the keyboard - and green connectors are used for the mouse.
Volatile
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-15

11. The actual speed of the CPU is governed by a _______ setting called the clock rate.
removable chips on the motherboard
Small Outline DIMM
BIOS
BIOS

12. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
RJ-11
DB-25 parallel
removable chips on the motherboard
Output

13. What is the formal name of the 'headphone jack'?
charged coupled device (CCD)
7 or 15 (powered)
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Very Brief time (milliseconds) of too much voltage

14. 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
verifying data integrity.
USB Type A
Input

15. What does LCD stand for?
Input
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Liquid Crystal Display
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

16. Serial ports have this many pins.
9
Hardware
Liquid Crystal Display
VGA/SVGA monitor

17. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
B-9 serial
Speaker
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Firmware

18. What is a Brownout?
Too little voltage
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.
800 x 600
B-9 serial

19. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
2048 x 1536
Cathode Ray Tube
Liquid Crystal Display
Front Side Bus.

20. BIOS allows you to do 4 things - what are they?
34
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
order Boot sequence - Integrated devices - drive controllers - power supply settings

21. CPUS: What is CISC?
50 - 68 - or 80
40 or 80
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Pin Grid Array

22. SCSI code is set by a 4 things - what are they?
the CPU
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Standardization
4

23. 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.
ECC
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.

24. What is VRAM used for?
DB-25
TRS
Redundant Array of Independant (Inexpensive) Disks.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

25. What is a Sag?
RJ-11
Coaxial
USB Type A
Very brief time (milliseconds) of too little voltage

26. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Too little voltage
RJ-45
ATX - BTX - Micro ATX - ITX - NLX - and LPX
charged coupled device (CCD)

27. Serial mouse or external modem
RJ-45
40 or 80
USB Type A
B-9 serial

28. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
USB Type A
BIOS
the motherboard
Storage

29. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
USB Type A
Too little voltage
240
CMOS

30. How many pins is a SODIMM DDR DIMM?
RJ-45
Speaker
144
Componentization

31. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
DB-25 parallel
Complex -Instruction - Set - Chips - Used in General Purpose PCs
PCIe - PCI - AGP - ESIA - and ISA

32. How many pins is a DDR2 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.
4
Front Side Bus.
240

33. How many pins is a DDR DIMM?
Very Brief time (milliseconds) of too much voltage
144
Joystick
184

34. Printers
DB-25 parallel
CMOS
PCIe - PCI - AGP - ESIA - and ISA
Volatile

35. What are the 6 form factors of motherboards?
Very brief time (milliseconds) of too little voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX
the CPU
Processing

36. ZIF stands for ______.
Front Side Bus.
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.
Liquid Crystal Display
VGA/SVGA monitor

37. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
TRS
Too much voltage

38. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
800 x 600
Small Outline DIMM

39. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
charged coupled device (CCD)
Volatile
Liquid Crystal Display

40. Level one cache is located on ___________.
Output
9
the CPU
184

41. An example of firmware.
Componentization
BIOS
detects and fixes corrupt data in RAM.
Too little voltage

42. What are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RJ-45
144
Power failure

43. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Processing
Input

44. 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.
Standardization
PS/2-style mouse
Output
Componentization

45. Number of Pins for Drives: 2. SCSI
RJ-45
9
BIOS
50 - 68 - or 80

46. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
200
Processing
9
240

47. 10Base-2 Ethernet uses this cable.
Coaxial
200
Output
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

48. A serial mouse connects to a computer with this connector.
Network communications
Hardware
9-pin serial
USB Type A

49. 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.
Serial
Speaker
1024 x 786
verifying data integrity.

50. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Cache
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Very Brief time (milliseconds) of too much voltage