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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. Number of Pins for Drives: 2. SCSI
CMOS
50 - 68 - or 80
Radial Lines
Speaker

2. How many pins is a DDR2 DIMM?
9
BIOS
240
DB-15

3. RAID stands for _________.
Software
RJ-45
Redundant Array of Independant (Inexpensive) Disks.
200

4. Surge
Too much voltage
Pin Grid Array
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS

5. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
VGA/SVGA monitor
Hardware
CMOS
BIOS

6. What does SODIMM stand for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Small Outline DIMM
Pin Grid Array
Error Correction Code.

7. An example of a device that uses a low-density (two-row) male DB-15 connector.
CMOS
240
Joystick
DB-15

8. SVGA is ____ x_____
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS
800 x 600
Random Access Memory (RAM)

9. SCSI code is set by a 4 things - what are they?
144
Storage
5.25
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

10. What are the 6 form factors of motherboards?
200
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Very brief time (milliseconds) of too little voltage

11. A type of memory that loses data when the power is no longer supplied to the component.
DB-25 parallel
Volatile
Software
Storage

12. What is a Sag?
34
2048 x 1536
Radial Lines
Very brief time (milliseconds) of too little voltage

13. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
Error Correction Code.
240
DB-15

14. What are the two types of RAM?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
the motherboard

15. Printers
Very brief time (milliseconds) of too little voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-25 parallel
Line Grid Array

16. What do the type types of Hard Drive acronyms stand for?
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Radial Lines
PCIe - PCI - AGP - ESIA - and ISA

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

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18. 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.
verifying data integrity.
Liquid Crystal Display
184
Coaxial

19. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DB-25 parallel
Componentization
tasks or 'Threads'

20. What does ECC do?
Power failure
Cathode Ray Tube
detects and fixes corrupt data in RAM.
800 x 600

21. PGA stands for
Line Grid Array
B-9 serial
Pin Grid Array
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.

22. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
800 x 600
Joystick
CMOS

23. Ethernet network
RJ-45
DB-25
4
144

24. 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.
Processing
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Componentization
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

25. How many pins is a SODIMM DDR2 DIMM?
PS/2-style mouse
200
DB-15
BIOS

26. A serial mouse connects to a computer with this connector.
Radial Lines
9-pin serial
Error Correction Code.
detects and fixes corrupt data in RAM.

27. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
3
34
Front Side Bus.

28. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Too much voltage
Storage
Output
200

29. 10Base-2 Ethernet uses this cable.
Coaxial
Componentization
1600 x 1200
Very brief time (milliseconds) of too little voltage

30. Internal modem or telephone
Random Access Memory (RAM)
Firmware
RJ-11
800 x 600

31. How many pins is a DDR3 DIMM?
Speaker
Too much voltage
DB-25 parallel
240

32. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Pin Grid Array
USB Type A
Network communications
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

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

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34. What does CRT stand for?
Line Grid Array
Power failure
Cathode Ray Tube
Pin Grid Array

35. BIOS allows you to do 4 things - what are they?
144
order Boot sequence - Integrated devices - drive controllers - power supply settings
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Small Outline DIMM

36. What are the 4 main types of storage?
Firmware
Software
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

37. Before sending a power supply to the recycling facility...
VGA/SVGA monitor
Redundant Array of Independant (Inexpensive) Disks.
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.
Cache

38. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
200
ATX - BTX - Micro ATX - ITX - NLX - and LPX
TRS

39. How many pins is a SODIMM DDR DIMM?
144
Complex -Instruction - Set - Chips - Used in General Purpose PCs
ATX - BTX - Micro ATX - ITX - NLX - and LPX
CMOS

40. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Cathode Ray Tube
BIOS
Power failure

41. ZIF stands for ______.
50 - 68 - or 80
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
Serial

42. 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
Joystick
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Volatile

43. Parity is used in some _____________ - hard drives - and RAM.
CMOS
Networking and Communications
Network communications
Speaker

44. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
tasks or 'Threads'
1024 x 786
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.

45. 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
B-9 serial
Liquid Crystal Display
DB-15

46. Serial mouse or external modem
144
1024 x 786
800 x 600
B-9 serial

47. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
5.25
order Boot sequence - Integrated devices - drive controllers - power supply settings
3
Front Side Bus.

48. What is Virtual RAM?
DB-15
Too little voltage
Line Grid Array
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.

49. UXGA is _____x_____
1600 x 1200
Processing
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

50. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Processing
CMOS
CMOS

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Comptia A +: Hardware

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