Which of the following is NOT true about functions in programming?

Functions cannot make calls to other functions within the same program.

Functions help break a problem into logical chunks.

Once defined, a function can be called many times from different parts of a program.

Functions help reduce the complexity of writing and maintaining programs.

Which of the following will call the function drawStar?

function drawStar(){ for(var i= 0, i < 5; i++){ moveForward(100); turnLeft(36); } }

Which of the following is NOT part of defining a function?

Adding code to the body of the function.

Identifying the parameters of the function

In the procedure Mystery below, the parameter number is a positive integer. PROCEDURE Mystery (number) { REPEAT UNTIL (number < 0) { number ¨ number - 2 } IF (number = 0) { RETURN ( true ) } ELSE { RETURN ( false ) } } Which of the following best describes the results of running the procedure Mystery?

The procedure returns true when the initial value of number is even, and it otherwise returns false.

The procedure returns true when the initial value of number is 2, and it otherwise returns false.

The procedure returns true when the initial value of number is greater than 2, and it otherwise returns false.

The procedure returns true when the initial value of number is odd, and it otherwise returns false.

What is an API? Read the definitions provided below and then choose the best answer. Abstract Programming Inheritance - The idea that abstractions in languages get "passed down" in newer versions. Artificial Parameter Intelligenc e - The idea that function parameters should be intelligent enough to "know" what you want as a programmer. Application Program Interface - A well-documented library of functions provided in a programming language that helps to simplify complex programming tasks. Applied Power Implementation - A process by which functions are given extra override power related to parameters. Abstract Parameter Interface - A programming construct in which parameters are passed down through levels of abstraction

Artificial Parameter Intelligence

Why are parameters useful when programming?

Parameters allow for more flexible, generalized behaviors in functions.

Parameters change the order of operations within a function.

Parameters determine the number of times the function will run.

Parameters are useful for teams of programmers because they help define the boundaries of the problem they are trying to solve.

Which one of the following statements about functions is TRUE

Two functions in a single program can have different names but contain identical code.

Two functions can be given identical names as long as their code is identical.

Code can be added or removed dynamically from a function while the program is running.

Functions can be called using different names depending on where in the program they are called.

What is one important naming convention of functions?

A function name should be as descriptive as possible to indicate what the function does.

Function names should be organized alphabetically.

A function name should indicate how long the function takes to run.

Two functions with similar behavior should be given identical names to indicate the relationship between them.

Which of the following statements about writing functions and Top-Down Design is NOT true?

Two programmers solving the same problem using Top-Down Design should arrive at identical programs.

Top-Down Design relies upon identifying sub-problems of a larger problem.

Writing functions helps manage complexity in a program.

Top-Down Design leads to programs which feature multiple layers of abstraction.

Choose the two (2) statements that are true about functions

Meaningful function names help people better understand programs.

Functions in programming are names groupings of programming instructions.

Functions in programming are useful mathematical tools for doing complex computations.

Meaningful function names help computers better understand programs.

Programming languages have some similarities and differences to the "natural" language you use in everyday speech. Select the two true statements about programming languages:

Compared to the number of words in a natural language, the number of defined words in a programming language is very small.

There are typically many possible ways to interpret an instruction written in a programming language.

Ambiguities in natural language necessitate the creation of programming languages for controlling a computer

The number of defined words in a programming language is about the same as the number of words in a natural language.

When programmers work together, what is an example of how abstraction in programming can promote collaboration?

Programmers can use functions created by their partners, relying on the functionality without needing to know the specific details of how the function is implemented.

In order for programmers to work together, they must work in the same room.

Team members can rely on one another to explain their code.

Programmers can write functions without needing to know what they do or how they should work.

Unit 2 Computer Science Review: 27-Question Practice Test

27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A set of commands, instructions, and other syntax used to create a software program.

Conditional

Loop

Programming Language

Boolean

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplified programming language which uses the spoken language.

Pseudo Code

Logic Gate

Declaration

Hig Level Language

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A type of control flow statement that allows code to be executed repeatedly.

Loop

Variable

Logic Gate

Boolean Condition

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A container which holds a value. These are identified by symbolic but meaningful names by the programmer

Programming Language

Variable

Loop

Boolean

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Queries that compare 2 values with each other, such as true/false.

Variable

High Level Language

Pseudocode

Boolean Condition

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A way to perform different computations or actions depending on whether a programmer specified boolean condition evaluates as true or false. For example, if-else

Declaration

Pseudocode

Loop

Conditional

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Programming languages which use a strong abstraction the the details of the computer, such a block language.

High Level Languages

Low Level Language

Binary

Logic Gate

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