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Quiz1

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

What makes a picture clearer?
a.
more pix
c.
both a and b
b.
bits/pix
d.
none
 

 2. 

Which color is not used in 3 bit picture?
mc002-1.jpg
a.
Red
c.
blue
b.
Green
d.
yellow
 

Completion
Complete each statement.
 

 3. 

What is the biggest decimal number I can get with 5 binary bits?
 

 

 4. 

How few binary bits do I need to save the number 64  in ASCII code?
 

 

 5. 

How does word ASCII  is saved in hexadecimal system?
 

 

 6. 

How does a computer save Hello I love IT? in octal system
 

 

 7. 

Convert following hexadecimal code to text. 476f6f642061667465726e6f6f6e
 

 

 8. 

How many bits does each pixel contain in picture 1?
co008-1.jpg
 

 

 9. 

How many bytes will computer take to store picture-1?
co009-1.jpg
 

 

 10. 

How many colour does this picture-1 have?
co010-1.jpg
 

 

 11. 

How many bits per pixel should there be to store 16 different shades of gray of picture 2?
 

 

 12. 

if each pixel  have 3 bits then how many different colours can you have?
 

 

 13. 

if each pixel  have 8 bits then how many different colours can you have?
 

 

 14. 

Find how many bytes will it take to store a one bit of 512 x 385 pixels picture?
 

 

 15. 

Find how many bytes  will it take to store an eight bit of 512 x 385 pixels picture?
 

 

 16. 

Find how many bytes will it take to store a 24 bit of 512 x 385 pixels picture?
 

 

 17. 

What does FPS stands for?
 

 

 18. 

A camera is labeled as 30 FPS at 640 x 480 resolution, How many picture does it take in a second when it makes movie?
 

 

 19. 

Find how many MBs it takes to store a video of 3s of quality 30 FPS at 640 x 480 of 1 bit/pix? Your answer should be three decimal places.
 

 



 
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