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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 does ECC do?
DB-25
detects and fixes corrupt data in RAM.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

2. What does CRT stand for?
Cathode Ray Tube
800 x 600
VGA/SVGA monitor
PCIe - PCI - AGP - ESIA - and ISA

3. 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
Joystick
verifying data integrity.
Too much voltage

4. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
RJ-11
Firewire 6-pin
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Liquid Crystal Display

5. What do the type types of Hard Drive acronyms stand for?
B-9 serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
9
Coaxial

6. 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.
Serial
Input
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

7. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
184
charged coupled device (CCD)
Output
Radial Lines

8. 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.
Liquid Crystal Display
Redundant Array of Independant (Inexpensive) Disks.
DB-15
50 - 68 - or 80

9. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Random Access Memory (RAM)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Software

10. An example of a device that uses a high-density (three-row) DB-15 connector.
RJ-11
CMOS
VGA/SVGA monitor
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

11. ZIF stands for ______.
Random Access Memory (RAM)
800 x 600
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI 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.

12. What does RIMM stand for?
charged coupled device (CCD)
2048 x 1536
Front Side Bus.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

13. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Line Grid Array
DB-25
DB-15
TRS

14. Number of Pins for Drives: 3. SATA
50 - 68 - or 80
Standardization
Radial Lines
7 or 15 (powered)

15. 10Base-2 Ethernet uses this cable.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Input
Coaxial
40 or 80

16. Parallel devices connect to this connector.
DB-25
9
BIOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

17. An example of firmware.
1024 x 786
BIOS
TRS
order Boot sequence - Integrated devices - drive controllers - power supply settings

18. What is a Blackout?
Power failure
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.
Redundant Array of Independant (Inexpensive) Disks.

19. How many pins is a SODIMM DDR2 DIMM?
ECC
200
Coaxial
DB-15

20. What are the 4 main types of storage?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
184
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Single Inline Memory Module - has 30 or 72 contacts on only one side.

21. What does SIMM stand for?
B-9 serial
Single Inline Memory Module - has 30 or 72 contacts on only one side.
RJ-11
Line Grid Array

22. The BIOS is stored on the _______ chip that is on the motherboard.
144
Serial
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

23. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
34
Redundant Array of Independant (Inexpensive) Disks.
200

24. An example of a device that uses a TRS connector.
Speaker
order Boot sequence - Integrated devices - drive controllers - power supply settings
Too little voltage
the motherboard

25. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Front Side Bus.
Hardware
CMOS
Cache

26. Parity is used in some _____________ - hard drives - and RAM.
Network communications
Single Inline Memory Module - has 30 or 72 contacts on only one side.
800 x 600
144

27. How many pins is a MICRODIMM DIMM?
1024 x 786
RJ-11
144
Processing

28. Level two cache is located on _______.
1600 x 1200
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
order Boot sequence - Integrated devices - drive controllers - power supply settings
the motherboard

29. SVGA is ____ x_____
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
800 x 600
Very brief time (milliseconds) of too little voltage
Liquid Crystal Display

30. Level one cache is located on ___________.
CMOS
the CPU
DB-25
Network communications

31. A serial mouse connects to a computer with this connector.
Serial
9-pin serial
7 or 15 (powered)
charged coupled device (CCD)

32. What are the two types of RAM?
Error Correction Code.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
CMOS
Firmware

33. 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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Standardization
detects and fixes corrupt data in RAM.

34. External modems most commonly connect to this port.
Serial
Line Grid Array
Front Side Bus.
Volatile

35. How many pins is a DDR DIMM?
184
TRS
Input
CMOS

36. 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)
Software
RJ-45
50 - 68 - or 80
detects and fixes corrupt data in RAM.

37. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
BIOS
Joystick
PS/2-style mouse
40 or 80

38. QXGA is ____x____
144
Cathode Ray Tube
200
2048 x 1536

39. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
144
34

40. Internal modem or telephone
Cache
Firewire 6-pin
the CPU
RJ-11

41. Serial ports have this many pins.
Very brief time (milliseconds) of too little voltage
Componentization
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
9

42. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
DB-15
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
240

43. CPUS: What is CISC?
Cathode Ray Tube
DB-25 parallel
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

44. BIOS allows you to do 4 things - what are they?
ECC
order Boot sequence - Integrated devices - drive controllers - power supply settings
Firmware
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

45. What are the 6 form factors of motherboards?
tasks or 'Threads'
ATX - BTX - Micro ATX - ITX - NLX - and LPX
5.25
50 - 68 - or 80

46. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
removable chips on the motherboard
USB Type A
Error Correction Code.

47. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
the CPU
Radial Lines
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

48. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
detects and fixes corrupt data in RAM.
5.25
BIOS
1024 x 786

49. RAID 5 has at least ___ hard drives.
Too little voltage
3
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
2048 x 1536

50. What is DVD-RAM? and how is it used?

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