
GCSE revision questions (self created)
Quiz
•
Computers
•
9th - 12th Grade
•
Practice Problem
•
Medium
Matt Stockdale
Used 1+ times
FREE Resource
Enhance your content in a minute
83 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many different values can be represented with 7 bits?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a DISADVANTAGE of binary search?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes Merge Sort?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would this sequence look like after two full passes of the bubble sort algorithm: 70, 99, 3, 7, 96, 4
3, 7, 4, 70, 96, 99
70, 3, 99, 7, 96, 4
70, 3, 7, 96, 99, 4
3, 7, 70, 4, 96, 99
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about the AND operator in programming languages?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which sorting algorithm is this?
1. Start at the beginning of the list.
2. Compare the values in positions 1 and 2 of the list - if they are not in ascending order then swap them.
3. Compare the values in positions 2 and 3 of the list and swap if necessary.
4. Continue to the end of the list.
5. If there have been any swaps, go back to step 1.
6. If there have not been any swaps, the list is sorted.
merge
linear
bubble
binary
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What sorting algorithm is this?
1. Select the median item in the list (if there are an even number of elements, round down, i.e select the element left of centre).
2. If the median item is equal to the search item, then stop searching and return item is found.
3. If the median item is higher than the search item then repeat steps 1 and 2 with the sub-list to the left.
4. If the median item is lower than the search item then repeat steps 1 and 2 with the sub-list to the right.
5. Repeat steps 3 and 4 unless the sub-list is empty.
6. If the sub-list is empty, stop searching and return item not found.
merge
linear
bubble
binary
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