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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. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
DB-15
Network communications
Radial Lines
3

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

3. ZIF stands for ______.
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.
144
Volatile
ATX - BTX - Micro ATX - ITX - NLX - and LPX

4. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
Error Correction Code.
RJ-45
the motherboard

5. 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.
50 - 68 - or 80
DB-15
Single Inline Memory Module - has 30 or 72 contacts on only one side.

6. Internal modem or telephone
RJ-11
verifying data integrity.
VGA/SVGA monitor
Radial Lines

7. A serial mouse connects to a computer with this connector.
40 or 80
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
9-pin serial
Front Side Bus.

8. How many pins is a MICRODIMM DIMM?
144
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DB-25 parallel
the CPU

9. A type of memory that loses data when the power is no longer supplied to the component.
Network communications
Complex -Instruction - Set - Chips - Used in General Purpose PCs
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Volatile

10. How many pins is a SODIMM DDR DIMM?
144
184
5.25
2048 x 1536

11. Serial ports have this many pins.
240
Storage
9
184

12. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Very brief time (milliseconds) of too little voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs

13. RAID stands for _________.
240
Redundant Array of Independant (Inexpensive) Disks.
34
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

14. What is a Blackout?
DB-15
order Boot sequence - Integrated devices - drive controllers - power supply settings
Power failure
Software

15. 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
9
Line Grid Array
Power failure

16. What is a Sag?
order Boot sequence - Integrated devices - drive controllers - power supply settings
3
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.
Very brief time (milliseconds) of too little voltage

17. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Very brief time (milliseconds) of too little voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS

18. Surge
VGA/SVGA monitor
Volatile
BIOS
Too much voltage

19. How many pins is a DDR2 DIMM?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
240
Redundant Array of Independant (Inexpensive) Disks.
Radial Lines

20. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
7 or 15 (powered)
Joystick
40 or 80
ECC

21. What does SIMM stand for?
Joystick
800 x 600
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

22. 10Base-2 Ethernet uses this cable.
Standardization
Coaxial
1600 x 1200
50 - 68 - or 80

23. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
B-9 serial
DB-25 parallel
Firewire 6-pin
Volatile

24. An example of firmware.
the CPU
Single Inline Memory Module - has 30 or 72 contacts on only one side.
BIOS
Componentization

25. Spike
Very Brief time (milliseconds) of too much voltage
BIOS
the CPU
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

26. How many pins is a SODIMM DDR2 DIMM?
Random Access Memory (RAM)
Coaxial
Too little voltage
200

27. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
1600 x 1200
BIOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
charged coupled device (CCD)

28. Printers
Too much voltage
DB-25 parallel
Small Outline DIMM
Front Side Bus.

29. Level two cache is located on _______.
the motherboard
charged coupled device (CCD)
verifying data integrity.
Radial Lines

30. BIOS allows you to do 4 things - what are they?
144
DB-25 parallel
USB Type A
order Boot sequence - Integrated devices - drive controllers - power supply settings

31. 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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-15
Software
Too much voltage

32. What does LCD stand for?
Small Outline DIMM
Software
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Liquid Crystal Display

33. What does CRT stand for?
Cathode Ray Tube
Joystick
Too little voltage
CMOS

34. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Small Outline DIMM

35. How many pins is a DDR DIMM?
Small Outline DIMM
Error Correction Code.
184
Network communications

36. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Liquid Crystal Display
2048 x 1536
Output

37. CPUS: What is CISC?
Cathode Ray Tube
Networking and Communications
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Software

38. What does RIMM stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Very Brief time (milliseconds) of too much voltage
Firewire 6-pin
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

39. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Redundant Array of Independant (Inexpensive) Disks.
CMOS
Processing
Serial

40. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
5.25
CMOS
144

41. level three cache is located on _________.
BIOS
ECC
removable chips on the motherboard
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

42. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
PS/2-style mouse
USB Type A
4

43. What do the type types of Hard Drive acronyms stand for?
7 or 15 (powered)
3
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

44. 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.
removable chips on the motherboard
Standardization
200
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

45. 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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
verifying data integrity.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS

46. Number of Pins for Drives: 4. FDD
CMOS
7 or 15 (powered)
Input
34

47. What does ECC do?
DB-15
BIOS
detects and fixes corrupt data in 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.

48. XGA is ____x_____
Coaxial
1024 x 786
Cache
Line Grid Array

49. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
Firewire 6-pin
DB-15
Very Brief time (milliseconds) of too much voltage

50. What is a Brownout?
VGA/SVGA monitor
removable chips on the motherboard
Too little voltage
DB-15