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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. Serial ports have this many pins.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
9
Radial Lines
Input

2. Ethernet network
240
Very Brief time (milliseconds) of too much voltage
RJ-45
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

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.
USB Type A
Joystick
Network communications

4. How many pins is a SODIMM DDR2 DIMM?
USB Type A
200
Too little voltage
Power failure

5. Spike
Network communications
DB-15
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Very Brief time (milliseconds) of too much voltage

6. RAID 5 has at least ___ hard drives.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Too much voltage
3
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

7. Serial mouse or external modem
B-9 serial
40 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.
240

8. The actual speed of the CPU is governed by a _______ setting called the clock rate.
144
Speaker
BIOS
BIOS

9. QXGA is ____x____
the motherboard
DB-25
2048 x 1536
USB Type A

10. How many pins is a SODIMM DDR DIMM?
B-9 serial
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Front Side Bus.

11. RAID stands for _________.
34
Software
Redundant Array of Independant (Inexpensive) Disks.
Small Outline DIMM

12. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
PCIe - PCI - AGP - ESIA - and ISA
CMOS

13. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
7 or 15 (powered)
Cache
Processing
DB-25

14. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Processing
Pin Grid Array
tasks or 'Threads'
CMOS

15. What does SODIMM stand for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
PS/2-style mouse
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Small Outline DIMM

16. What does RIMM stand for?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Pin Grid Array
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Networking and Communications

17. SDRAM sands for _______.
ECC
50 - 68 - or 80
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Volatile

18. UXGA is _____x_____
Cathode Ray Tube
Firewire 6-pin
200
1600 x 1200

19. 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)
184
1600 x 1200
4

20. What is VRAM used for?
Too much voltage
CMOS
Joystick
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

21. ZIF stands for ______.
RJ-11
PS/2-style mouse
removable chips on the motherboard
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.

22. CPUs: What is RISC?
removable chips on the motherboard
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
2048 x 1536

23. An example of a device that uses a low-density (two-row) male DB-15 connector.
Output
Joystick
3
CMOS

24. What is a Brownout?
4
DB-15
Power failure
Too little voltage

25. What does SIMM stand for?
144
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Firewire 6-pin
the CPU

26. What are the 6 form factors of motherboards?
Software
Standardization
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Volatile

27. An example of a device that uses a TRS connector.
Speaker
1600 x 1200
VGA/SVGA monitor
Liquid Crystal Display

28. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
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.
Storage
Random Access Memory (RAM)
Cache

29. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
Processing
CMOS
detects and fixes corrupt data in RAM.

30. An area of memory that holds recently-accessed data.
Speaker
Cache
2048 x 1536
Very Brief time (milliseconds) of too much voltage

31. A serial mouse connects to a computer with this connector.
1600 x 1200
PCIe - PCI - AGP - ESIA - and ISA
9-pin serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

32. Surge
the CPU
Serial
Too much voltage
charged coupled device (CCD)

33. 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.
3
Network communications
Componentization
Speaker

34. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Too much voltage
Very brief time (milliseconds) of too little voltage
TRS
Front Side Bus.

35. Parity is used in some _____________ - hard drives - and RAM.
charged coupled device (CCD)
Network communications
Radial Lines
Software

36. Number of Pins for Drives: 2. SCSI
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
50 - 68 - or 80
CMOS
Standardization

37. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
Cache
Very brief time (milliseconds) of too little voltage
Small Outline DIMM

38. Level one cache is located on ___________.
the CPU
order Boot sequence - Integrated devices - drive controllers - power supply settings
verifying data integrity.
Input

39. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Too little voltage
4
800 x 600

40. Internal modem or telephone
ECC
RJ-11
Very Brief time (milliseconds) of too much voltage
Too little voltage

41. Before sending a power supply to the recycling facility...
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
50 - 68 - or 80
Software

42. 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.
Firewire 6-pin
Storage
Componentization

43. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Radial Lines
184
Front Side Bus.

44. 10Base-5 Ethernet and game ports use this cable
Joystick
5.25
DB-15
Line Grid Array

45. 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.
Coaxial
DB-15
Very Brief time (milliseconds) of too much voltage
Input

46. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Very Brief time (milliseconds) of too much voltage
charged coupled device (CCD)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Firmware

47. Parallel devices connect to this connector.
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
Cathode Ray Tube
Componentization

48. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Single Inline Memory Module - has 30 or 72 contacts on only one side.
4
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.

49. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Storage
Front Side Bus.
CMOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

50. What does ECC do?
DB-25
200
Cache
detects and fixes corrupt data in RAM.