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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. External modems most commonly connect to this port.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Input
Serial
Firmware

2. An example of a device that uses a TRS connector.
1600 x 1200
4
Speaker
RJ-11

3. What are the two types of RAM?
CMOS
Pin Grid Array
144
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

4. What are the 6 form factors of motherboards?
9
Speaker
detects and fixes corrupt data in RAM.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

5. ZIF stands for ______.
Power failure
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.
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.
144

6. QXGA is ____x____
TRS
BIOS
tasks or 'Threads'
2048 x 1536

7. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
144
Firmware
Hardware
Power failure

8. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Output
Radial Lines
DB-15
Power failure

9. Parallel devices connect to this connector.
Power failure
800 x 600
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.
DB-25

10. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Random Access Memory (RAM)
34
order Boot sequence - Integrated devices - drive controllers - power supply settings
4

11. An example of firmware.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
200
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.
BIOS

12. CPUS: What is CISC?
Volatile
184
RJ-11
Complex -Instruction - Set - Chips - Used in General Purpose PCs

13. 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.
B-9 serial
Processing
RJ-11

14. PGA stands for
CMOS
Storage
5.25
Pin Grid Array

15. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Pin Grid Array
3
Small Outline DIMM

16. 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)
DB-25 parallel
Front Side Bus.
tasks or 'Threads'
Software

17. Number of Pins for Drives: 2. SCSI
DB-15
50 - 68 - or 80
Liquid Crystal Display
DB-25

18. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
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.
Liquid Crystal Display
USB Type A
Cache

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.
Standardization
Joystick
Radial Lines
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

20. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
VGA/SVGA monitor
USB Type A
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Hardware

21. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
5.25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Redundant Array of Independant (Inexpensive) Disks.

22. How many pins is a DDR DIMM?
Joystick
BIOS
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.
184

23. How many pins is a SODIMM DDR DIMM?
Networking and Communications
144
Joystick
PCIe - PCI - AGP - ESIA - and ISA

24. 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.
Network communications
DB-15
B-9 serial
7 or 15 (powered)

25. 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.
Componentization
Coaxial
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.
Output

26. An example of a device that uses a high-density (three-row) DB-15 connector.
CMOS
PS/2-style mouse
VGA/SVGA monitor
Input

27. What does SODIMM stand for?
BIOS
34
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.

28. How many pins is a DDR2 DIMM?
Too much voltage
Firewire 6-pin
Liquid Crystal Display
240

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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
verifying data integrity.
Small Outline DIMM
the CPU

30. Level one cache is located on ___________.
184
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
the CPU
Cache

31. What does CRT stand for?
USB Type A
5.25
CMOS
Cathode Ray Tube

32. How many pins is a MICRODIMM DIMM?
Input
the motherboard
144
BIOS

33. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Hardware
Firewire 6-pin
the motherboard
Standardization

34. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-25 parallel
DB-15
Radial Lines

35. Serial ports have this many pins.
9
2048 x 1536
tasks or 'Threads'
Standardization

36. SVGA is ____ x_____
800 x 600
40 or 80
Coaxial
TRS

37. Spike
Very Brief time (milliseconds) of too much voltage
40 or 80
Firmware
Error Correction Code.

38. 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
detects and fixes corrupt data in RAM.
Firewire 6-pin
Coaxial

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

40. What is a Blackout?
ECC
the motherboard
Power failure
Line Grid Array

41. Serial mouse or external modem
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Firewire 6-pin
B-9 serial
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

42. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
verifying data integrity.
Processing
Speaker
Complex -Instruction - Set - Chips - Used in General Purpose PCs

43. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Output
CMOS
Random Access Memory (RAM)

44. A serial mouse connects to a computer with this connector.
7 or 15 (powered)
2048 x 1536
9-pin serial
144

45. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
CMOS
Input
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.
Storage

46. CPUs: What is RISC?
144
CMOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Volatile

47. LGA stands for ______.
Joystick
ECC
Too little voltage
Line Grid Array

48. An area of memory that holds recently-accessed data.
the CPU
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Cache
Serial

49. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
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.
Input
240

50. Internal modem or telephone
PCIe - PCI - AGP - ESIA - and ISA
2048 x 1536
Error Correction Code.
RJ-11