Grade 10 Term 1 Challenge

What function can be used in Delphi to calculate the square root of a number?

• rSqr

• Sqrt

• Sqr

• SquareR

What function can be used in Delphi to calculate the square of a number?

• rSqr

• Sqrt

• Sqr

• SquareR

This type of variable is declared outside of a procedure and can be used anywhere in your code.

• General variable

• Local variable

• Global variable

• Procedural variable

This type of variable is declared inside a procedure and can only be used by that procedure.

• General variable

• Local variable

• Global variable

• Procedural variable

Which of the following is NOT and advantage of using computers?

• • Computers save time.

• • Computers complete tasks that might be impossible for humans to complete.

• • Computers need skilled and trained operators.

• • Computers are fast and accurate.

This is the component of a computer that executes instructions, processes data, and manages and controls all other components. 

• ROM

• RAM

• GPU

• CPU

The term ____ refers to raw numerical and factual material. It is worthless if it has not been processed beforehand. 

• variables

• information

• data

• functions

1010 is representative of which number system?

• ASCII

• Hexadecimal

• Binary

• Decimal

What prefix would you use before the name you give to a string variable?

• r

• i

• s

• f

TRUE and FALSE is an example of which variable data type?

• Boolean

• Real

• String

• Integer