Computing

Question 1

1Unicode can represent more characters than standard ASCII.

Medium

A. True B. False

Question 2

2A colour depth of 2 bits allows 4 colours.

Hard

A. True B. False

Question 3

3The smallest dot of colour in a digital image is a ___.

Easy

Your answer (fill in the blank)

Question 4

4A higher resolution image usually has a smaller file size.

Medium

A. True B. False

Question 5

5Lossy compression keeps all the original data.

Medium

A. True B. False

Question 6

6Sampling is used to convert sound into digital data.

Medium

A. True B. False

Question 7

7Measuring a sound wave at regular intervals is called ___.

Medium

Your answer (fill in the blank)

Question 8

8A higher sample rate gives

Hard

A. no change B. better sound quality but a larger file C. worse quality and a smaller file D. pictures instead of sound

Question 9

9A character set is

Medium

A. a list of characters with the binary code for each B. a type of font only C. a folder of pictures D. a set of keyboards

Question 10

10In ASCII, the letter "A" has the code 65. The code for "C" is

Medium

A. 66 B. 68 C. 99 D. 67