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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. ZIF stands for ______.
Coaxial
4
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

2. The BIOS is stored on the _______ chip that is on the motherboard.
Serial
Processing
Very brief time (milliseconds) of too little voltage
CMOS

3. Parity is used in some _____________ - hard drives - and RAM.
DB-25
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Network communications
Coaxial

4. Before sending a power supply to the recycling facility...
DB-25
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.
PS/2-style mouse
7 or 15 (powered)

5. RAID 5 has at least ___ hard drives.
3
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-15
B-9 serial

6. Serial ports have this many pins.
9
7 or 15 (powered)
Software
Pin Grid Array

7. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
7 or 15 (powered)
Volatile
40 or 80

8. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
800 x 600
Too much voltage

9. An example of a device that uses a 6-pin Mini-DIN connector.
DB-15
CMOS
PS/2-style mouse
4

10. What does RIMM stand for?
Small Outline DIMM
34
Liquid Crystal Display
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

11. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Redundant Array of Independant (Inexpensive) Disks.
Processing
RJ-11
TRS

12. QXGA is ____x____
the motherboard
BIOS
240
2048 x 1536

13. A working PC is a combination of many different parts - also called a Field-Replaceable Unit (FRU) - can be replaced when faulty or upgraded to provide additional functionality.
Power failure
Output
Componentization
1024 x 786

14. Level two cache is located on _______.
Processing
BIOS
the motherboard
Volatile

15. 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)
Very Brief time (milliseconds) of too much voltage
Software
Serial
200

16. The actual speed of the CPU is governed by a _______ setting called the clock rate.
RJ-45
BIOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

17. What are the 4 main types of storage?
200
40 or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Line Grid Array

18. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
1024 x 786
ECC
Firewire 6-pin
Input

19. An example of a device that uses a high-density (three-row) DB-15 connector.
40 or 80
240
VGA/SVGA monitor
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

20. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
CMOS
4
Cache
VGA/SVGA monitor

21. SDRAM sands for _______.
144
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
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.
Input

22. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
RJ-11
Processing
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

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

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24. Number of Pins for Drives: 3. SATA
Storage
PS/2-style mouse
7 or 15 (powered)
TRS

25. An example of firmware.
Radial Lines
removable chips on the motherboard
BIOS
34

26. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
USB Type A
CMOS
Firewire 6-pin
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

27. Level one cache is located on ___________.
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.
1024 x 786
Joystick
the CPU

28. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
Standardization
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

29. CPUs: What is RISC?
Power failure
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
240
Error Correction Code.

30. Surge
the motherboard
800 x 600
DB-15
Too much voltage

31. SVGA is ____ x_____
800 x 600
Processing
Output
Pin Grid Array

32. PGA stands for
Pin Grid Array
the CPU
CMOS
DB-25

33. What does CRT stand for?
DB-15
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.
Cathode Ray Tube
Networking and Communications

34. BIOS allows you to do 4 things - what are they?
4
Small Outline DIMM
240
order Boot sequence - Integrated devices - drive controllers - power supply settings

35. 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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-15
tasks or 'Threads'
BIOS

36. What does LCD stand for?
240
1600 x 1200
Liquid Crystal Display
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

37. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Too much 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.
Output
B-9 serial

38. How many pins is a DDR2 DIMM?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
the CPU
240
order Boot sequence - Integrated devices - drive controllers - power supply settings

39. Serial mouse or external modem
B-9 serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
RJ-45
50 - 68 - or 80

40. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
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.
Joystick
Firewire 6-pin
Redundant Array of Independant (Inexpensive) Disks.

41. How many pins is a SODIMM DDR DIMM?
144
Processing
DB-25 parallel
Network communications

42. CPUS: What is CISC?
CMOS
Joystick
DB-25
Complex -Instruction - Set - Chips - Used in General Purpose PCs

43. UXGA is _____x_____
184
CMOS
Too little voltage
1600 x 1200

44. Internal modem or telephone
Power failure
BIOS
verifying data integrity.
RJ-11

45. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
RJ-45
40 or 80
USB Type A
Liquid Crystal Display

46. What are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Very Brief time (milliseconds) of too much voltage
800 x 600
removable chips on the motherboard

47. SCSI code is set by a 4 things - what are they?
DB-25 parallel
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Cache
Software

48. How many pins is a MICRODIMM DIMM?
RJ-45
144
800 x 600
240

49. How many pins is a DDR3 DIMM?
TRS
Serial
240
B-9 serial

50. How many pins is a SODIMM DDR2 DIMM?
Network communications
200
detects and fixes corrupt data in RAM.
Speaker

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Comptia A +: Hardware

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