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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 are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
TRS
BIOS
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.

2. An example of a device that uses a high-density (three-row) DB-15 connector.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
VGA/SVGA monitor
34
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

3. Number of Pins for Drives: 2. SCSI
BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
50 - 68 - or 80
DB-25

4. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
5.25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Firewire 6-pin
1024 x 786

5. 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)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Networking and Communications
the motherboard

6. Number of Pins for Drives: 4. FDD
RJ-45
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Joystick
34

7. RAID stands for _________.
9-pin serial
Line Grid Array
Redundant Array of Independant (Inexpensive) Disks.
CMOS

8. ZIF stands for ______.
Too much voltage
1600 x 1200
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

9. The BIOS is stored on the _______ chip that is on the motherboard.
BIOS
Line Grid Array
CMOS
1024 x 786

10. PGA stands for
34
Pin Grid Array
240
144

11. 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
USB Type A
DB-15
200

12. What does SODIMM stand for?
BIOS
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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

13. What does LCD stand for?
detects and fixes corrupt data in RAM.
Liquid Crystal Display
Coaxial
Hardware

14. Internal modem or telephone
CMOS
DB-15
verifying data integrity.
RJ-11

15. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Processing
200
240
Storage

16. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
DB-15
tasks or 'Threads'
Processing
the CPU

17. What does ECC stand for?
Error Correction Code.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Coaxial

18. Level one cache is located on ___________.
the motherboard
ATX - BTX - Micro ATX - ITX - NLX - and LPX
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.
the CPU

19. Serial ports have this many pins.
removable chips on the motherboard
40 or 80
verifying data integrity.
9

20. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
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.
Very Brief time (milliseconds) of too much voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX

21. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Liquid Crystal Display
5.25

22. 10Base-2 Ethernet uses this cable.
Coaxial
removable chips on the motherboard
Liquid Crystal Display
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.

23. Ethernet network
RJ-45
Pin Grid Array
Input
200

24. Printers
DB-25 parallel
BIOS
removable chips on the motherboard
ECC

25. Parallel devices connect to this connector.
184
DB-25
Network communications
Storage

26. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
DB-25 parallel
Error Correction Code.
1024 x 786
Input

27. Number of Pins for Drives: 3. SATA
9
Radial Lines
7 or 15 (powered)
DB-25 parallel

28. How many pins is a DDR DIMM?
Too little voltage
184
Speaker
Power failure

29. SDRAM sands for _______.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
BIOS
7 or 15 (powered)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

30. LGA stands for ______.
Line Grid Array
RJ-45
144
Radial Lines

31. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
DB-25 parallel
charged coupled device (CCD)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

32. A temporary data storage location that can be read from and written to.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
144
Random Access Memory (RAM)
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

33. What do the type types of Hard Drive acronyms stand for?
PCIe - PCI - AGP - ESIA - and ISA
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Small Outline DIMM
Front Side Bus.

34. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
RJ-11
Joystick
Output

35. Parity is used in some _____________ - hard drives - and RAM.
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.
200
the CPU
Network communications

36. RAID 5 has at least ___ hard drives.
tasks or 'Threads'
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.
Front Side Bus.

37. What does RIMM stand for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
removable chips on the motherboard
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
charged coupled device (CCD)

38. level three cache is located on _________.
detects and fixes corrupt data in RAM.
removable chips on the motherboard
9-pin serial
Liquid Crystal Display

39. What is a Blackout?
Power failure
Firewire 6-pin
BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

40. How many pins is a DDR2 DIMM?
B-9 serial
Standardization
the CPU
240

41. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
Liquid Crystal Display
Radial Lines
Serial

42. An example of a device that uses a TRS connector.
Radial Lines
40 or 80
Speaker
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

43. How many pins is a DDR3 DIMM?
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.
DB-25
DB-25 parallel

44. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
BIOS
Too much voltage
144
CMOS

45. Spike
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Very Brief time (milliseconds) of too much voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
removable chips on the motherboard

46. 10Base-5 Ethernet and game ports use this cable
DB-25 parallel
DB-15
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
7 or 15 (powered)

47. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
144
RJ-11
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

48. Surge
Too much voltage
TRS
verifying data integrity.
Single Inline Memory Module - has 30 or 72 contacts on only one side.

49. An example of firmware.
144
BIOS
RJ-11
Network communications

50. 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.
CMOS
verifying data integrity.
2048 x 1536
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack