What is PSU?

• Provides voltage to all components.

• A cooling system to prevent the computer from over heating.

• Sends signals instructions to other parts of the computer.

What is Daughter board?

• connects to the mother board and creates and creates images for the monitor to display.

• Holds all the components of a computer. data flows to and from.

• A circuit board that plugs in to and extends the circuitry of another board.

Chose advantages of using smartphones?

• Poor Social Interaction

• Distraction

• GPS

• Health Issues

File extensions. xls stands for?

• powerpoint

• document

• excel

• pdf document

What are the disadvantages of smartphones?

• Privacy Threats

• Education

• Extra Work

• Entertainment

Each cell can contain ... types of data. Chose them!

• Numeric

• Text

• Formula

• Boolean

Function SUM stands for

• Finds the average of numbers in a range of cells

• Adds up all the numbers in a range of cells.

• Finds the maximum number in a range of cells.

INT(number) Find correct explanation!

• Rounds a number down to. the nearest int.

• Rounds a number up the specified number of decimal places.

• Rounds a number to the specified no of decimal places.

Count(range of cells) Chose explanation!

• Counts the number of cells which contain numbers whichin the given range of cells.

• Counts the number of non blanked cells within a range of cells.

• Count empty cells in a specified range of cells.

COUNTIF chose the correct explanation!

• Count empty cells in a specified range of cells.

• Count the number of cells whiten a range that meet the given criteria.

• Counts the number of cells which contain numbers whichin the given range of cells.