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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 is DVD-RAM? and how is it used?

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2. 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.
TRS
verifying data integrity.
Network communications
Firmware

3. An example of a device that uses a 6-pin Mini-DIN connector.
9
50 - 68 - or 80
DB-15
PS/2-style mouse

4. PGA stands for
Too much voltage
RJ-11
Joystick
Pin Grid Array

5. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Too little voltage
40 or 80

6. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Line Grid Array
ECC
tasks or 'Threads'
7 or 15 (powered)

7. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
detects and fixes corrupt data in RAM.
RJ-11
Front Side Bus.
Serial

8. What does ECC stand for?
RJ-11
Error Correction Code.
Too little voltage
Firmware

9. What do the type types of Hard Drive acronyms stand for?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Software
detects and fixes corrupt data in RAM.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

10. CPUS: What is CISC?
Radial Lines
9-pin serial
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Speaker

11. A serial mouse connects to a computer with this connector.
144
Complex -Instruction - Set - Chips - Used in General Purpose PCs
9-pin serial
PCIe - PCI - AGP - ESIA - and ISA

12. SCSI code is set by a 4 things - what are they?
50 - 68 - or 80
Too much voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
USB Type A

13. 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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
40 or 80
Networking and Communications
Very brief time (milliseconds) of too little voltage

14. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
PS/2-style mouse
DB-25
CMOS
Too little voltage

15. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Volatile
BIOS
1600 x 1200
tasks or 'Threads'

16. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
5.25
Coaxial
Storage
Too little voltage

17. How many pins is a SODIMM DDR2 DIMM?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
200
240
Output

18. How many pins is a SODIMM DDR DIMM?
RJ-45
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
1024 x 786
144

19. BIOS allows you to do 4 things - what are they?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Software
order Boot sequence - Integrated devices - drive controllers - power supply settings
Firmware

20. A temporary data storage location that can be read from and written to.
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.
ECC
Random Access Memory (RAM)
DB-25 parallel

21. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Liquid Crystal Display
Radial Lines
Complex -Instruction - Set - Chips - Used in General Purpose PCs
PCIe - PCI - AGP - ESIA - and ISA

22. What does SODIMM stand for?
BIOS
Small Outline DIMM
Output
Cache

23. The BIOS is stored on the _______ chip that is on the motherboard.
Firewire 6-pin
CMOS
7 or 15 (powered)
50 - 68 - or 80

24. What does RIMM stand for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
USB Type A
PCIe - PCI - AGP - ESIA - and ISA

25. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
PCIe - PCI - AGP - ESIA - and ISA
Input
CMOS
tasks or 'Threads'

26. Spike
4
Very Brief time (milliseconds) of too much voltage
Firmware
3

27. Before sending a power supply to the recycling facility...
DB-15
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.
USB Type A
Complex -Instruction - Set - Chips - Used in General Purpose PCs

28. How many pins is a MICRODIMM DIMM?
144
VGA/SVGA monitor
Firewire 6-pin
Front Side Bus.

29. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
CMOS
1024 x 786
Firmware
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

30. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Line Grid Array
PCIe - PCI - AGP - ESIA - and ISA
Small Outline DIMM
Processing

31. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Hardware
Error Correction Code.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Processing

32. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Standardization
800 x 600
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

33. What are the two types of RAM?
2048 x 1536
4
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
200

34. 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.
Too much voltage
DB-25
Standardization
CMOS

35. UXGA is _____x_____
removable chips on the motherboard
1600 x 1200
Networking and Communications
USB Type A

36. Number of Pins for Drives: 2. SCSI
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RJ-11
50 - 68 - or 80
5.25

37. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Hardware
Cache
Componentization

38. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
removable chips on the motherboard
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Serial
5.25

39. QXGA is ____x____
2048 x 1536
240
Speaker
Standardization

40. 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.
DB-15
Error Correction Code.
144
40 or 80

41. An example of firmware.
Networking and Communications
Cathode Ray Tube
Hardware
BIOS

42. Serial mouse or external modem
ECC
B-9 serial
Very brief time (milliseconds) of too little voltage
BIOS

43. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Coaxial
USB Type A
1024 x 786

44. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
2048 x 1536
7 or 15 (powered)
CMOS
40 or 80

45. Parallel devices connect to this connector.
9-pin serial
DB-25
40 or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

46. What is VRAM used for?
Small Outline DIMM
9
PS/2-style mouse
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

47. What is Virtual RAM?
DB-15
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
DB-15

48. SVGA is ____ x_____
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.
BIOS
800 x 600
34

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

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50. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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.
charged coupled device (CCD)
Input