Questions Paper 1 Flashcards
1
Q
7.1 Shade one lozenge to show which programming technique is used on line 3 of the algorithm
A
C. Selection
2
Q
7.2 Shade one lozenge to show the data type of the variable ans in the algorithm
A
D. string
3
Q
7.3 State how many output instructions will execute whenever the algorithm is run.
A
Three
4
Q
7.4 State the two possible sequences of user input that would result in ‘Contact supplier’ being output.
A
‘no’ followed by ‘yes’
‘yes’ followed by ‘yes’
5
Q
7.5 Explain why this problem has occured and describe what would happen if a user entered ‘y’ or ‘n’ instead of ‘yes’ or ‘no’
A
The output message is not very clear, line 3 will only be true if they enter ‘no’ and line 6 and 14 will only be true if they enter ‘yes’
6
Q
- Complete the algorithm in pseudo-code
A
IF image1 [i][j] = image2 [i][j] THEN (A,B,C0
inverse
