logic and computers chapter 2,3,4

Question 1

This is what all objects in an Alice world have.

Answer 1

C- Primitive methods

Question 2

The primitive move method requires two arguments. What are they

Answer 2

A-The first argument is direction; the second argument is distance (or amount)

Question 3

When programmers execute a method, this is what they commonly say they are
doing.

Answer 3

D. Calling the method

Question 4

This is a piece of information that a method requires in order for it to execute.

Answer 4

A. Argument

Question 5

This is a method that only objects of a specific class have.

Answer 5

B. Custom

Question 6

This is the naming convention in which monkey see is written.

Answer 6

C. camelCase

Question 7

This is the naming convention in which WhiteRabbit is written.

Answer 7

A. PascalCase

Question 8

This is the naming convention in which object names and method names should
be written.

Answer 8

C. camelCase

Question 9

This is the naming convention in which class names are written.

Answer 9

A. PascalCase

Question 10

This is a way of writing out the steps of an algorithm in English

Answer 10

B. Pseudocode

Question 11

This is a graphical diagram that depicts the steps in a diagram.

Answer 11

D. Flowchart

Question 12

This is a mistake that does not prevent the program from running, but causes it
to produce incorrect results.

Answer 12

C Logical error

Question 13

This is a note of explanation that is inserted into a program.

Answer 13

A. Comment

Question 14

This is a structure that causes a group of instructions to be executed simultaneously.

Answer 14

A. Do together

Question 15

This is a structure that causes a group of instructions to be executed in the order
that they appear inside the structure.

Answer 15

D. Do in order

Question 16

This is what a local variable belongs to

Answer 16

B. A method

Question 17

What is meant when the characters 123 appear on a variable tile?

Answer 17

D. The variable’s type is Number

Question 18

This type of instruction changes the contents of a variable.

Answer 18

D. Set instruction

Question 19

This is what an instruction that sets a variable to a value is often called.

Answer 19

A. a variable assignment

Question 20

This is the difference between a method and a function.

Answer 20

C. A function returns a value back to the instruction that called the function

Question 21

This world function allows the user to enter a number, and returns that number.

Answer 21

B. ask user for a number

Question 22

This primitive function returns the distance from one object’s center point to another object’s center point.

Answer 22

C. distance to

Question 23

This symbol is used as the multiplication operator in most programming languages.

Answer 23

C. *

Question 24

This world function allows the user to enter a string, and returns that string

Answer 24

B. ask user for a string

Question 25

This is what joining two strings is also known as.

Answer 25

A. String concatenation

Question 26

What world function do you use to join two strings?

Answer 26

D. The a joined with b function

Question 27

What world function do you use to convert a non-string object to a string?

Answer 27

A. The what as a string function

Question 28

The world object’s ask user for yes or no function returns this value if the user clicks the Yes button.

Answer 28

B. True

Question 29

The world object’s ask user for yes or no function returns this value if the
user clicks the No button.

Answer 29

C. False

Question 30

The If/Else instruction tests a condition that must be of this type.

Answer 30

A. Boolean

Question 31

An If/Else instruction that has an empty Else part is this type of structure.

Answer 31

B. Single-alternative decision structure

Question 32

An If/Else instruction that is inside of another If/Else instruction is said to be

Answer 32

D. Nested

Question 33

If you need to determine whether one value is greater than another value, you use
one of these operators.

Answer 33

C. Relational

Question 34

You use this operator to determine whether one value is equal to another value.

Answer 34

B. ==

Question 35

You use this operator to determine whether one value is not equal to another value.

Answer 35

A. ! =

Question 36

When a complex condition is created with this logical operator, the operand a must be true and the operand b must be true in order for the complex condition
to be true

Answer 36

B. both a and b

Question 37

When a complex condition is created with this logical operator, the operand a can be true, or the operand b can be true, or both operands a and b can be true in order for the complex condition to be true.

Answer 37

A. either a or b, or both