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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. 10Base-5 Ethernet and game ports use this cable
DB-15
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
PS/2-style mouse
Joystick

2. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Cathode Ray Tube
Very Brief time (milliseconds) of too much voltage
ECC

3. An area of memory that holds recently-accessed data.
DB-15
Cache
144
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

4. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
240
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Firewire 6-pin
CMOS

5. Serial mouse or external modem
Cache
184
B-9 serial
240

6. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
DB-15
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Redundant Array of Independant (Inexpensive) Disks.

7. XGA is ____x_____
Storage
1024 x 786
50 - 68 - or 80
BIOS

8. How many pins is a DDR DIMM?
184
VGA/SVGA monitor
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.
50 - 68 - or 80

9. Parallel devices connect to this connector.
DB-25
184
144
ECC

10. 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.
Too little voltage
ECC
Standardization
200

11. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
TRS
DB-25 parallel
Hardware
Firmware

12. Serial ports have this many pins.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Front Side Bus.
Small Outline DIMM
9

13. What do the type types of Hard Drive acronyms stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
RJ-11

14. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
order Boot sequence - Integrated devices - drive controllers - power supply settings
144
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

15. Number of Pins for Drives: 3. SATA
verifying data integrity.
7 or 15 (powered)
240
4

16. What is Virtual RAM?
4
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI 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.
Coaxial

17. 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.
40 or 80
DB-15
Storage
VGA/SVGA monitor

18. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
Radial Lines
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
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.

19. Number of Pins for Drives: 4. FDD
CMOS
1600 x 1200
34
184

20. 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.
7 or 15 (powered)
Serial
Processing
Networking and Communications

21. What are the 6 form factors of motherboards?
184
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

22. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Software
Firmware
ECC
4

23. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Error Correction Code.
DB-15
4
50 - 68 - or 80

24. level three cache is located on _________.
the motherboard
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
PS/2-style mouse
removable chips on the motherboard

25. External modems most commonly connect to this port.
TRS
VGA/SVGA monitor
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.
Serial

26. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Firewire 6-pin
Cathode Ray Tube
TRS
Standardization

27. What does SIMM stand for?
Too much voltage
charged coupled device (CCD)
34
Single Inline Memory Module - has 30 or 72 contacts on only one side.

28. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Speaker
charged coupled device (CCD)
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

29. 10Base-2 Ethernet uses this cable.
Standardization
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Coaxial
50 - 68 - or 80

30. What is a Brownout?
Too little voltage
Line Grid Array
ATX - BTX - Micro ATX - ITX - NLX - and LPX
240

31. What does SODIMM stand for?
DB-25 parallel
Firewire 6-pin
Small Outline DIMM
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.

32. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
CMOS
PCIe - PCI - AGP - ESIA - and ISA
144
184

33. Spike
DB-25 parallel
Redundant Array of Independant (Inexpensive) Disks.
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.

34. What is a Sag?
Network communications
Coaxial
200
Very brief time (milliseconds) of too little voltage

35. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Joystick
PS/2-style mouse
800 x 600

36. The actual speed of the CPU is governed by a _______ setting called the clock rate.
240
BIOS
Cathode Ray Tube
Single Inline Memory Module - has 30 or 72 contacts on only one side.

37. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
BIOS
50 - 68 - or 80
Serial
USB Type A

38. An example of firmware.
Volatile
BIOS
order Boot sequence - Integrated devices - drive controllers - power supply settings
800 x 600

39. A type of memory that loses data when the power is no longer supplied to the component.
9-pin serial
1024 x 786
Front Side Bus.
Volatile

40. How many pins is a SODIMM DDR2 DIMM?
200
the motherboard
CMOS
CMOS

41. PGA stands for
Pin Grid Array
Joystick
Cache
the CPU

42. ZIF stands for ______.
verifying data integrity.
Front Side Bus.
Volatile
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.

43. How many pins is a DDR2 DIMM?
240
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
ATX - BTX - Micro ATX - ITX - NLX - and LPX

44. An example of a device that uses a 6-pin Mini-DIN connector.
Too little voltage
1600 x 1200
PS/2-style mouse
Liquid Crystal Display

45. What does RIMM stand for?
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-15
CMOS

46. QXGA is ____x____
Coaxial
Radial Lines
2048 x 1536
RJ-11

47. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
verifying data integrity.
CMOS
34
Pin Grid Array

48. A serial mouse connects to a computer with this connector.
BIOS
9-pin serial
Very Brief time (milliseconds) of too much voltage
Output

49. Before sending a power supply to the recycling facility...
3
Cathode Ray Tube
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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

50. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
RJ-45
Processing
34
Input