algorithms and programming

What are the three basic programming constructs?

• Sequence, selection and iteration

• Sequence, selection and looping

• Sequence, iteration and looping

• Sequence, execution and selection

Which of the following statements implement definite iteration?

• ​STOP UNTIL

• FOR ENDFOR

• REPEAT UNTIL

• WHILE ENDWHILE

What are the two possible results of testing a condition?

• YES and NO​

• POSITIVE and NEGATIVE

• ​TRUE and FALSE​

• 0 or 1

What is the name given to the joining of strings?​

• Manipulation

• Declaration

• addition

• Concatenation

Which logical operator represents greater than?

• <

• >

• >=

• ==

Which of the following is a benefit of using local variables?

• Other programmers cannot use them

• They cannot accidentally be changed by other parts of a program

• They make all variable names unique

• They make selections work

What is an array?

• A data structure that holds one or more items of data

• A variable with more than one data type

• A variable with more than one value

• Sorting data in a list 

Which data type represents whole numbers?

• Real

• String

• Integer

• Float

What is a constant?

• A value that does not usually change as a program is running

• A variable with more than one data type

• A named piece of memory that holds a value which usually changes as a program is running

• A named piece of memory that holds a value which cannot be changed as a program is running

What is a function?

• A type of subroutine that calculates a value

• A type of subroutine that returns a value

• A type of subroutine that processes a value, but does not return it

• A type of subroutine that only runs when called