9-1 Computer Science

The purpose of the GUI is to

• hide the complexities of the machine from the user
• Guide the user
• to make the screen look nice

What type of network is this?

• Bus
• Ring
• Star
• Mesh

Which network topology is this?

• Star
• Mesh
• Ring
• Bus

What is an Algorithm?

• A set of instructions
• Does not use graphics to show how a process works
• Does not help you plan out computer code
• Something that creates a lot of confusion

Iteration is

• Used in programming to select which statements will be executed next based on a condition
• Two or more statements following one after the other
• Performing a loop in a program to repeat a number of statements
• Finding errors in a piece of code

Which programming construct is used to carry out iteration?

• FOR
• IF
• ELSE
• START

What flowchart symbol does this represent?

• Input/Output
• Start/End
• Decision
• Process

What does Protocol mean?

• Security
• Rules
• Orders
• Services

Which protocol would you use to transfer files?

• FTP
• SMTP
• POP3
• HTTP

What type of media are used in a computer Hard drive?

• magnetic
• optical
• solid state
• photo