CertiGuide to A+ (Core Hardware)  9  Chapter 1000:  Multimedia

VI  Chapter 1000: Summary 1 VIII  Chapter 1000: Test for Success Answers

(Click here to see answers with explanations.)

1. What is the primary function of the video card?

A. Convert digital information into an analog signal that is sent to the monitor

B. Make pretty pictures

C. Convert analog information into a digital signal that is sent to the monitor

D. Act as an interface between the processor and the RAM

2. True or False: Today's video cards use the CPU's massive processing power to handle video signal conversion and calculations.

A. True

B. False

3. Which of the following is referred to as the resolution of the display?

A. Vertical pixels by Horizontal pixels

B. Horizontal pixels by Vertical pixels

C. Refresh rate in Hertz

D. Color-depth

4. From which of the following is the term pixel derived?

A. Picture Element

B. Pix

C. 640x480

D. Dot

5. Pixels are made up of even small _________, ________ and _________ dots.

A. red, green, and blue

B. red, white and blue

C. red, yellow and blue

D. black, blue and red

6. What video card milestone was achieved to relieve the burden of video processing from the processor?

A. Accelerated video cards

B. AGP

C. 32-bit True Color

D. Digital Audio Converter

7. What item has a direct impact on the performance of the video card?

A. Video RAM

B. CPU MHz

C. Video chipset

D. Video Driver

8. What agency or organization was responsible for creating a standard for controlling video output?

A. IEEE

B. ISO

C. W3C

D. The Video Electronics Standard Association, VESA

9. What factor or item limits the amount of the frame buffer?

A. The size of the video memory on the card

B. TCP/IP frame type

C. System memory

D. All of the above

10. Which of the following memory types can be found on video cards?

A. Video RAM (VRAM)

B. Window RAM (WRAM)

C. Synchronous Dynamic Random Access Memory (SDRAM)

D. Multi-bank DRAM (MDRAM)

E. All of the above

11. Which of the following are valid video card architectures? [Choose all that apply]

A. VGA

B. 8-bit ISA

C. 16-bit ISA

D. MCA

12. True or false: The AGP bus can run at the same frequency as the system bus.

A. True

B. False

13. What agency was responsible for insuring that a compatible video card could be used with a compatible monitor?

A. VESA

B. IEEE

C. CompTIA

D. OSI sub-committee

14. What is one of the easiest ways of determining a monitor's capabilities?

A. The price

B. The maker

C. The resolution modes that it will support

D. The diagonal dimensions of the screen

15. How should you set the refresh rate on your monitor?

A. Above 60 Hz

B. Through the start-up menu

C. 70 Hz

D. Any rate

16. How does a computer interpret sound?

A. In analog mode

B. By using the modulate/demodulate method

C. In digital mode

D. Sampling

17. What does the acronym ADC stand for, and what is its purpose? [Choose two]

A. Analog to Digital Converter

B. Alternating Direct Current

C. Converts analog sounds to WAV files

D. Converts analog sounds to digital signals

18. In which two ways can sounds be created using the MIDI format? [Choose two]

A. AGP

B. FM Synthesis

C. Wavetable Synthesis

D. DAC

VI  Chapter 1000: Summary 1 VIII  Chapter 1000: Test for Success Answers