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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. 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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-15
Coaxial
240

2. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Radial Lines
Front Side Bus.
ECC
Software

3. RAID 5 has at least ___ hard drives.
3
Input
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Networking and Communications

4. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
144
3
DB-25

5. What does ECC stand for?
DB-25
Error Correction Code.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

6. Number of Pins for Drives: 3. SATA
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
7 or 15 (powered)
Firmware
Random Access Memory (RAM)

7. PGA stands for
charged coupled device (CCD)
Firewire 6-pin
Pin Grid Array
144

8. RAID stands for _________.
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.
DB-15
Cache
Redundant Array of Independant (Inexpensive) Disks.

9. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
PS/2-style mouse
RJ-11
DB-25 parallel

10. 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)
B-9 serial
Software
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Liquid Crystal Display

11. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
DB-25 parallel
RJ-45
Networking and Communications

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

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13. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Hardware
Joystick
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Processing

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

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15. Serial mouse or external modem
1600 x 1200
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
B-9 serial
removable chips on the motherboard

16. Surge
40 or 80
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Too much voltage

17. level three cache is located on _________.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
9-pin serial
removable chips on the motherboard
240

18. An example of a device that uses a low-density (two-row) male DB-15 connector.
Componentization
Too little voltage
Joystick
1024 x 786

19. The actual speed of the CPU is governed by a _______ setting called the clock rate.
1600 x 1200
BIOS
the motherboard
144

20. Serial ports have this many pins.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
9
Standardization
Coaxial

21. What do the type types of Hard Drive acronyms stand for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Processing
240

22. Level one cache is located on ___________.
the CPU
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Liquid Crystal Display
Network communications

23. Number of Pins for Drives: 4. FDD
PS/2-style mouse
ECC
34
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.

24. Parity is used in some _____________ - hard drives - and RAM.
Too little voltage
Standardization
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.
Network communications

25. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Firewire 6-pin
Cache
Storage
DB-15

26. Printers
DB-25 parallel
B-9 serial
CMOS
50 - 68 - or 80

27. BIOS allows you to do 4 things - what are they?
Front Side Bus.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Liquid Crystal Display
4

28. What does CRT stand for?
Redundant Array of Independant (Inexpensive) Disks.
detects and fixes corrupt data in RAM.
Cathode Ray Tube
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

29. What is a Sag?
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.
Network communications
Random Access Memory (RAM)
Very brief time (milliseconds) of too little voltage

30. A temporary data storage location that can be read from and written to.
Componentization
Line Grid Array
Very brief time (milliseconds) of too little voltage
Random Access Memory (RAM)

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.
verifying data integrity.
9
Very brief time (milliseconds) of too little voltage
Pin Grid Array

32. An example of a device that uses a TRS connector.
Storage
Speaker
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.
Very Brief time (milliseconds) of too much voltage

33. Number of Pins for Drives: 2. SCSI
DB-25
50 - 68 - or 80
tasks or 'Threads'
Serial

34. How many pins is a DDR DIMM?
CMOS
184
Software
9

35. How many pins is a MICRODIMM DIMM?
RJ-45
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DB-15
144

36. How many pins is a DDR2 DIMM?
240
Software
Processing
charged coupled device (CCD)

37. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
Pin Grid Array
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Coaxial

38. What does SODIMM stand for?
Small Outline DIMM
the CPU
Too little voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

39. Parallel devices connect to this connector.
Software
Standardization
DB-25
DB-15

40. 10Base-5 Ethernet and game ports use this cable
CMOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Very brief time (milliseconds) of too little voltage
DB-15

41. What are the two types of 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.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
CMOS
Processing

42. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
4
144
40 or 80

43. How many pins is a SODIMM DDR DIMM?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
800 x 600
144
5.25

44. 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
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Front Side Bus.
34

45. 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.
Output
Random Access Memory (RAM)
Radial Lines

46. What are the 4 main types of storage?
CMOS
BIOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
200

47. What are the 6 form factors of motherboards?
Output
charged coupled device (CCD)
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

48. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
5.25

49. What does LCD stand for?
DB-15
Liquid Crystal Display
verifying data integrity.
detects and fixes corrupt data in RAM.

50. An example of a device that uses a high-density (three-row) DB-15 connector.
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.
800 x 600
1024 x 786
VGA/SVGA monitor