Ict chapter 7.7

Question 1

What does a search algorithm do?

Answer 1

it an algorithm that checks a set of data to identify whether a specific value exists in the data, or not.

Question 2

What does a sorting algorithm do?

Answer 2

it an algorithm that takes a set of data and rearranges it to be in a specific order.

Question 3

What does a linear search do?

Answer 3

it is a search algorithm that visits each item of data in turn to check whether it it the data being looked for.

Question 4

What does a bubble sort do?

Answer 4

a sorting algorithm that moves through the list repeatedly swapping values in pairs

Question 5

What is validation?

Answer 5

validation is the checking of data that is input to make sure it is reasonable and within set bounds

Question 6

What is verification?

Answer 6

the checking of data in order to make sure it is the same as the original

Question 7

What is range check?

Answer 7

a type of validation which checks if the data is within the minimum and maximum value.

Question 8

What is Length check?

Answer 8

a type of validation which checks if the number of characters is within the set limit

Question 9

What is type check?

Answer 9

a type of validation which checks if the data is the correct type

Question 10

What is presence check?

Answer 10

a type of validation that checks if the data has been entered