TERM 2_TEST 2_YEAR 8_CHAPTER 3

What is a computer interface? CT

• A computer interface is a type of hardware component.
• A computer interface is a programming language.
• A computer interface is a storage device for data.
• A computer interface is a way users interact with a computer system.

Which of the following variable is FALSE? -AC

• weight=56

• height=170

• height="170cm"

• weight unit="kg"

What is a special kind of variable called? KUC

(a)  

colourlist = ("red","yellow","blue"."green"). Fix the errors. AC

• colourlist = {'red', 'yellow', 'blue', 'green'}

• colourlist = ["red", "yellow", "blue", "green"]

• colourlist = ('red', 'yellow', 'blue', green)
• colourlist = ["red", "yellow", "blue"."green"]

What is an element? CT

• Stores one value or piece of data.

• Each item in a loop

• A list

• Each item in a list

haircolorlist

haircolorlist.append("grey")

What is the purpose of this code? -AC

• To remove 'grey' from the list of hair colors.
• To create a new list of hair colors.
• To check if 'grey' is already in the list of hair colors.
• To add 'grey' to the list of hair colors.

What is a FOR loop? CT

• A FOR loop is used to execute a block of code a specific number of times.
• A FOR loop is used to create variables.
• A FOR loop is a type of conditional statement.
• A FOR loop is used to define a function.

What is a WHILE loop? CT

• A WHILE loop is a counter structure that repeatedly executes a block of code as long as a specified condition is false.

• A WHILE loop is a method for sorting arrays.
• A WHILE loop is a control structure that repeatedly executes a block of code as long as a specified condition is true.

• A WHILE loop is a type of variable declaration.

You want the user to add elements to the list, but you are not sure how many elements. What type of loop would you use? KUC

• do-while loop
• foreach loop
• while loop
• for loop

The name of an element is made of two parts: KUC

• name of the list and position of list

• name of the list and position of elements

• Element name is only the element with brackets

• Element name consists of three parts: name, symbol, and atomic number.