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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. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
detects and fixes corrupt data in RAM.
Speaker
Very Brief time (milliseconds) of too much voltage

2. Serial mouse or external modem
B-9 serial
1600 x 1200
Serial
Storage

3. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
9
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Storage
CMOS

4. How many pins is a MICRODIMM DIMM?
TRS
144
DB-15
removable chips on the motherboard

5. Number of Pins for Drives: 4. FDD
B-9 serial
VGA/SVGA monitor
34
order Boot sequence - Integrated devices - drive controllers - power supply settings

6. SDRAM sands for _______.
144
the motherboard
Power failure
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

7. A serial mouse connects to a computer with this connector.
Software
Cache
9-pin serial
Too little voltage

8. What is a Sag?
184
Front Side Bus.
Cache
Very brief time (milliseconds) of too little voltage

9. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
tasks or 'Threads'
Radial Lines
3
Power failure

10. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Networking and Communications
Radial Lines
Speaker

11. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
2048 x 1536
40 or 80
Processing
Too much voltage

12. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Very Brief time (milliseconds) of too much voltage
BIOS
Speaker
200

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

14. How many pins is a DDR2 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.
Speaker
144
240

15. How many pins is a DDR3 DIMM?
CMOS
240
Joystick
RJ-11

16. External modems most commonly connect to this port.
Power failure
Output
Serial
Line Grid Array

17. What is a Blackout?
ECC
Power failure
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Networking and Communications

18. Spike
Very Brief time (milliseconds) of too much voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Redundant Array of Independant (Inexpensive) Disks.
detects and fixes corrupt data in RAM.

19. Serial ports have this many pins.
PS/2-style mouse
BIOS
9
DB-25 parallel

20. How many pins is a SODIMM DDR2 DIMM?
USB Type A
200
PS/2-style mouse
Serial

21. BIOS allows you to do 4 things - what are they?
Cathode Ray Tube
order Boot sequence - Integrated devices - drive controllers - power supply settings
9-pin serial
Hardware

22. ZIF stands for ______.
Network communications
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.
9-pin serial
Too much voltage

23. What is the formal name of the 'headphone jack'?
240
Cache
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Coaxial

24. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Random Access Memory (RAM)
USB Type A
Firewire 6-pin

25. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Software
Single Inline Memory Module - has 30 or 72 contacts on only one side.

26. 10Base-5 Ethernet and game ports use this cable
DB-15
Radial Lines
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.

27. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Too little voltage
Too much voltage
tasks or 'Threads'
Firewire 6-pin

28. SVGA is ____ x_____
Network communications
9-pin serial
BIOS
800 x 600

29. How many pins is a SODIMM DDR DIMM?
144
charged coupled device (CCD)
Line Grid Array
Input

30. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
DB-15
Serial
CMOS

31. 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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-25 parallel
verifying data integrity.
144

32. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
3
Coaxial
TRS

33. Level two cache is located on _______.
DB-25 parallel
the motherboard
50 - 68 - or 80
Hardware

34. An example of a device that uses a 6-pin Mini-DIN connector.
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.
Componentization
PS/2-style mouse
1024 x 786

35. Ethernet network
RJ-45
Hardware
1024 x 786
Networking and Communications

36. An example of a device that uses a low-density (two-row) male DB-15 connector.
tasks or 'Threads'
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
TRS
Joystick

37. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Front Side Bus.
Firewire 6-pin
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.
5.25

38. A type of memory that loses data when the power is no longer supplied to the component.
Front Side Bus.
Redundant Array of Independant (Inexpensive) Disks.
DB-25 parallel
Volatile

39. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Firewire 6-pin
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.
4
DB-15

40. SCSI code is set by a 4 things - what are they?
5.25
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Standardization
Liquid Crystal Display

41. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
240
9
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

42. level three cache is located on _________.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Hardware
BIOS
removable chips on the motherboard

43. Before sending a power supply to the recycling facility...
Processing
Cathode Ray Tube
Very brief time (milliseconds) of too little voltage
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.

44. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
Componentization
200
240

45. An area of memory that holds recently-accessed data.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Cache
144
Storage

46. An example of firmware.
RJ-45
200
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
BIOS

47. What are the 4 main types of storage?
BIOS
Coaxial
Processing
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

48. What is a Brownout?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
RJ-11
Too little voltage
Too much voltage

49. Internal modem or telephone
RJ-11
CMOS
800 x 600
CMOS

50. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
removable chips on the motherboard
BIOS
Input
Redundant Array of Independant (Inexpensive) Disks.