Test your basic knowledge |

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. How many pins is a SODIMM DDR DIMM?
144
TRS
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.
PCIe - PCI - AGP - ESIA - and ISA

3. What does CRT stand for?
Cathode Ray Tube
Firmware
CMOS
Firewire 6-pin

4. What is Virtual RAM?
DB-25
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
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.
Joystick

5. What does SIMM stand for?
CMOS
200
Single Inline Memory Module - has 30 or 72 contacts on only one side.
removable chips on the motherboard

6. level three cache is located on _________.
B-9 serial
removable chips on the motherboard
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Cathode Ray Tube

7. What does SODIMM stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Small Outline DIMM
1024 x 786
Power failure

8. An example of firmware.
Cache
Hardware
BIOS
Front Side Bus.

9. An example of a device that uses a TRS connector.
BIOS
Cache
Speaker
Cathode Ray Tube

10. What is a Blackout?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Power failure
Speaker
PCIe - PCI - AGP - ESIA - and ISA

11. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Standardization
Front Side Bus.
ECC

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

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13. An area of memory that holds recently-accessed data.
Cache
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.
Redundant Array of Independant (Inexpensive) Disks.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

14. 10Base-5 Ethernet and game ports use this cable
DB-15
detects and fixes corrupt data in RAM.
5.25
Speaker

15. PGA stands for
Software
Coaxial
Radial Lines
Pin Grid Array

16. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
Small Outline 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.
9-pin serial

17. RAID stands for _________.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Redundant Array of Independant (Inexpensive) Disks.
Hardware
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.

18. Serial ports have this many pins.
DB-15
9
Processing
50 - 68 - or 80

19. A type of memory that loses data when the power is no longer supplied to the component.
Storage
3
Volatile
B-9 serial

20. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
DB-25 parallel
4
Output
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

21. ZIF stands for ______.
Firewire 6-pin
USB Type A
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.
1024 x 786

22. UXGA is _____x_____
USB Type A
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
1600 x 1200
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

23. Parity is used in some _____________ - hard drives - and RAM.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Coaxial
Network communications
Too much voltage

24. 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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Hardware
VGA/SVGA monitor

25. What are the 4 main types of storage?
200
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Firmware

26. 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)
DB-15
40 or 80
Hardware

27. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Cache
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Processing

28. What are the two types of RAM?
Random Access Memory (RAM)
B-9 serial
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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

29. 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.
Networking and Communications
800 x 600
5.25
Volatile

30. 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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Joystick
Standardization
Networking and Communications

31. Number of Pins for Drives: 2. SCSI
the CPU
Power failure
50 - 68 - or 80
2048 x 1536

32. QXGA is ____x____
2048 x 1536
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Speaker
1024 x 786

33. The BIOS is stored on the _______ chip that is on the motherboard.
RJ-45
CMOS
PCIe - PCI - AGP - ESIA - and ISA
Line Grid Array

34. Printers
DB-25 parallel
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Hardware
TRS

35. How many pins is a DDR2 DIMM?
Very brief time (milliseconds) of too little voltage
PCIe - PCI - AGP - ESIA - and ISA
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
240

36. CPUs: What is RISC?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
TRS
Power failure
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

37. Level one cache is located on ___________.
240
Volatile
800 x 600
the CPU

38. A temporary data storage location that can be read from and written to.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Random Access Memory (RAM)
Radial Lines
RJ-45

39. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-25
DB-15

40. An example of a device that uses a 6-pin Mini-DIN connector.
Standardization
PS/2-style mouse
CMOS
DB-25

41. Serial mouse or external modem
B-9 serial
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.
CMOS
800 x 600

42. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Coaxial
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.
PCIe - PCI - AGP - ESIA - and ISA

43. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
RJ-45
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.
TRS
charged coupled device (CCD)

44. 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)
charged coupled device (CCD)
verifying data integrity.
CMOS
Software

45. Number of Pins for Drives: 4. FDD
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
1024 x 786
144
34

46. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
7 or 15 (powered)
5.25
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
9-pin serial

47. What does ECC stand for?
the motherboard
Cache
Error Correction Code.
Componentization

48. What are the 6 form factors of motherboards?
Componentization
ATX - BTX - Micro ATX - ITX - NLX - and LPX
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
5.25

49. How many pins is a SODIMM DDR2 DIMM?
Volatile
200
ATX - BTX - Micro ATX - ITX - NLX - and LPX
7 or 15 (powered)

50. Number of Pins for Drives: 3. SATA
Cathode Ray Tube
Network communications
7 or 15 (powered)
9-pin serial