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

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2. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
charged coupled device (CCD)
Cathode Ray Tube
Software
Processing

3. 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.
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

4. SDRAM sands for _______.
Speaker
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
verifying data integrity.
removable chips on the motherboard

5. How many pins is a SODIMM DDR2 DIMM?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
verifying data integrity.
200
Error Correction Code.

6. XGA is ____x_____
Power failure
CMOS
Cache
1024 x 786

7. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
RJ-11
CMOS

8. Serial mouse or external modem
B-9 serial
detects and fixes corrupt data in RAM.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Very brief time (milliseconds) of too little voltage

9. Level two cache is located on _______.
the motherboard
CMOS
Very Brief time (milliseconds) of too much voltage
Pin Grid Array

10. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
charged coupled device (CCD)
Volatile
Very brief time (milliseconds) of too little voltage

11. Spike
Power failure
Very Brief time (milliseconds) of too much voltage
DB-15
9-pin serial

12. What is a Brownout?
Too little voltage
Very Brief time (milliseconds) of too much voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
the motherboard

13. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
verifying data integrity.
Firmware

14. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
order Boot sequence - Integrated devices - drive controllers - power supply settings
9-pin serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

15. How many pins is a DDR DIMM?
Componentization
1600 x 1200
9-pin serial
184

16. Printers
DB-25 parallel
Too much voltage
CMOS
removable chips on the motherboard

17. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Hardware
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
VGA/SVGA monitor
CMOS

18. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
240
order Boot sequence - Integrated devices - drive controllers - power supply settings
Storage
Single Inline Memory Module - has 30 or 72 contacts on only one side.

19. 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.
Network communications
the CPU
BIOS
Standardization

20. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
USB Type A
Input
CMOS
RJ-45

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

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22. An example of firmware.
Speaker
BIOS
BIOS
Storage

23. 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)
Software
the CPU
Radial Lines
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

24. UXGA is _____x_____
1600 x 1200
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
1024 x 786
Volatile

25. Surge
charged coupled device (CCD)
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.
Too much voltage
Error Correction Code.

26. What is VRAM used for?
USB Type A
Very brief time (milliseconds) of too little voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Coaxial

27. 10Base-2 Ethernet uses this cable.
Small Outline DIMM
Coaxial
Storage
40 or 80

28. An example of a device that uses a high-density (three-row) DB-15 connector.
Software
VGA/SVGA monitor
240
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.

29. 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.
Liquid Crystal Display
Cache
verifying data integrity.
Standardization

30. What does CRT stand for?
charged coupled device (CCD)
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DB-15
Cathode Ray Tube

31. The BIOS is stored on the _______ chip that is on the motherboard.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS
Input

32. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Power failure
USB Type A
Very Brief time (milliseconds) of too much voltage
50 - 68 - or 80

33. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
5.25
7 or 15 (powered)
Standardization

34. What does ECC stand for?
Firewire 6-pin
Joystick
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Error Correction Code.

35. A type of memory that loses data when the power is no longer supplied to the component.
charged coupled device (CCD)
Volatile
BIOS
Small Outline DIMM

36. A temporary data storage location that can be read from and written to.
BIOS
USB Type A
Networking and Communications
Random Access Memory (RAM)

37. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
RJ-45
Joystick
Coaxial
Front Side Bus.

38. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Input
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.
Serial

39. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
4
Serial
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

40. What does ECC do?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Speaker
detects and fixes corrupt data in RAM.
Componentization

41. What does RIMM stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
PCIe - PCI - AGP - ESIA - and ISA
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Line Grid Array

42. How many pins is a DDR2 DIMM?
Radial Lines
3
DB-25
240

43. PGA stands for
Pin Grid Array
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
VGA/SVGA monitor
PCIe - PCI - AGP - ESIA - and ISA

44. Ethernet network
order Boot sequence - Integrated devices - drive controllers - power supply settings
40 or 80
RJ-45
detects and fixes corrupt data in RAM.

45. How many pins is a SODIMM DDR DIMM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
144
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

46. Parity is used in some _____________ - hard drives - and RAM.
RJ-11
Network communications
800 x 600
Coaxial

47. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
CMOS
Front Side Bus.
Firmware
5.25

48. An example of a device that uses a 6-pin Mini-DIN connector.
PCIe - PCI - AGP - ESIA - and ISA
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
9-pin serial
PS/2-style mouse

49. Serial ports have this many pins.
9
Line Grid Array
Standardization
2048 x 1536

50. 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.
charged coupled device (CCD)
200
DB-15
the CPU