Homework 1 Data types and operaations
Authored by Ed Smith
Computers
9th - 10th Grade
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1.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
State the values of expression after the following operations are carried out:
(a) a ← 26 mod 5
2.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
State the values of expression after the following operations are carried out:
(b) b ← 142 div 7
3.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
State the values of expression after the following operations are carried out:
(c) c ← (7 + 3) * 4 – 1
4.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
State the values of expression after the following operations are carried out:
(d) d ← 15.6 / 3 + 4.8 / 2
5.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
State the values of expression after the following operations are carried out:
(e) e ← "4" + "56"
6.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
The function CHAR_TO_CODE('a') evaluates to 97, the ASCII value of the character ‘a’.
CODE_TO_CHAR(97) evaluates to 'a'.
State what is output by this algorithm:
x ← CHAR_TO_CODE('b')
7.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
The function CHAR_TO_CODE('a') evaluates to 97, the ASCII value of the character ‘a’.
CODE_TO_CHAR(97) evaluates to 'a'.
State what is output by this algorithm:
y ← x + 1
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