d2 4-4 Run Length Encoding - GCSE Quiz

Which of the following statements about RLE are true? Choose two statements that apply.

• RLE is a method of lossy compression.
• RLE is a method of lossless compression.
• Characters are stored in alphabetical order.
• Characters are stored in the order in which they appear in the data.

What is a Frequency Value Pair?

• The number of times a letter appears in a word.
• The number of times a character appears in text or binary data.
• The character plus the number of times it appears in text or binary data .
• The character plus the number of times it appears in sequence in text or binary data.

What is the correct frequency Value Pairs for the word ‘suddenness’ ?

• (s1)u(2)d(1)e(2)n(2)s(2)s(1)
• s(1)u(1)d(2)e(1)n(2)e(1)s(2)
• s(1)u(1)d(2)e(1)n(2)e(1)s(1)
• s(1)u(1)d(2)e(1)n(2)s(1)e(2)

Given the following Frequency Value Pairs, what is the original word? S(1) l(1) e(2) p(1) l(1) e(1) s(2) n(1) e(1) s(2)

Given the following ASCII code, the original number of bits will be 20. What will the compressed number of bits if the frequency is given in fixed 3 bit binary? 11111000001111100000

• 14
• 15
• 16
• 17