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. How many pins is a DDR3 DIMM?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
240
Serial
Very Brief time (milliseconds) of too much voltage

2. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
200
Network communications
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

3. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Input

4. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
detects and fixes corrupt data in RAM.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
5.25

5. How many pins is a MICRODIMM DIMM?
Power failure
removable chips on the motherboard
144
Cache

6. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
USB Type A
Storage
Small Outline DIMM
Front Side Bus.

7. 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)
Output
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Software
7 or 15 (powered)

8. A serial mouse connects to a computer with this connector.
DB-15
9-pin serial
CMOS
Network communications

9. What are the two types of RAM?
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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
7 or 15 (powered)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

10. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
40 or 80
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
7 or 15 (powered)

11. 10Base-5 Ethernet and game ports use this cable
Input
DB-15
Power failure
40 or 80

12. Serial ports have this many pins.
Joystick
9
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the CPU

13. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
3
CMOS
Firmware
Very Brief time (milliseconds) of too much voltage

14. The actual speed of the CPU is governed by a _______ setting called the clock rate.
1600 x 1200
BIOS
Firewire 6-pin
Too much voltage

15. Ethernet network
Pin Grid Array
240
Standardization
RJ-45

16. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Front Side Bus.
CMOS
Line Grid Array
Firmware

17. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Standardization
2048 x 1536
4
detects and fixes corrupt data in RAM.

18. UXGA is _____x_____
PCIe - PCI - AGP - ESIA - and ISA
1600 x 1200
Cache
USB Type A

19. SDRAM sands for _______.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Componentization
DB-15

20. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
9
5.25
charged coupled device (CCD)
Componentization

21. What does ECC do?
240
5.25
7 or 15 (powered)
detects and fixes corrupt data in RAM.

22. Printers
DB-25 parallel
Storage
Very brief time (milliseconds) of too little voltage
Pin Grid Array

23. QXGA is ____x____
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.
BIOS
2048 x 1536

24. What are the 6 form factors of motherboards?
VGA/SVGA monitor
Serial
ATX - BTX - Micro ATX - ITX - NLX - and LPX
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

25. CPUS: What is CISC?
3
240
Complex -Instruction - Set - Chips - Used in General Purpose PCs
144

26. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
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.
Software
Processing
removable chips on the motherboard

27. An area of memory that holds recently-accessed data.
Cache
detects and fixes corrupt data in RAM.
240
Radial Lines

28. 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.
Pin Grid Array
Standardization
BIOS
Cache

29. What is Virtual RAM?
Joystick
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
Coaxial

30. 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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Software
BIOS

31. ZIF stands for ______.
Very Brief time (milliseconds) of too much voltage
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.
RJ-45
TRS

32. What does SODIMM stand for?
Redundant Array of Independant (Inexpensive) Disks.
Small Outline DIMM
Very brief time (milliseconds) of too little voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

33. Surge
3
Pin Grid Array
CMOS
Too much voltage

34. level three cache is located on _________.
removable chips on the motherboard
Networking and Communications
Too much voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings

35. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Hardware
Output
240
Redundant Array of Independant (Inexpensive) Disks.

36. Before sending a power supply to the recycling facility...
1024 x 786
order Boot sequence - Integrated devices - drive controllers - power supply settings
Too much voltage
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.

37. A type of memory that loses data when the power is no longer supplied to the component.
5.25
Volatile
TRS
B-9 serial

38. What is VRAM used for?
200
7 or 15 (powered)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

39. 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.
Firmware
144
Cache
Networking and Communications

40. An example of a device that uses a high-density (three-row) DB-15 connector.
Too much voltage
VGA/SVGA monitor
5.25
Processing

41. What does ECC stand for?
Very Brief time (milliseconds) of too much voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Networking and Communications
Error Correction Code.

42. What is a Brownout?
Radial Lines
Too little voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
50 - 68 - or 80

43. SVGA is ____ x_____
CMOS
Pin Grid Array
800 x 600
CMOS

44. RAID 5 has at least ___ hard drives.
DB-15
3
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.
240

45. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
1600 x 1200
800 x 600
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

46. How many pins is a DDR2 DIMM?
USB Type A
240
5.25
144

47. 10Base-2 Ethernet uses this cable.
1024 x 786
Line Grid Array
Coaxial
Storage

48. Spike
Power failure
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
Very Brief time (milliseconds) of too much voltage

49. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
1024 x 786
Standardization
PCIe - PCI - AGP - ESIA - and ISA
VGA/SVGA monitor

50. 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)
Too much voltage
Too little voltage
Serial