Exam 1 Python

In Python the first character of a variable name cannot be a number.

The part of a computer that runs programs is called

Which built-in function can be used to read input that has been typed on the keyboard?

Programmers must be careful not to make syntax errors when writing pseudocode programs

This volatile type of memory that is used only for temporary storage while a program is running

If you were to look at a machine language program, you would see

The words that make up a high level programming language are called

The physical devices that a computer is made of are referred to as

If you print a variable that has not been assigned a value, the number 0 will be displayed

Single alternative decision structure tests a condition, if true takes a path, or another path if false.

Windows, Linux, Android, iOS, and macOS are all examples of application software.

Any piece of data that is stored in a computer’s memory must be stored as a binary number.

A syntax error does not prevent a program from being compiled and executed.

The operator that takes a Boolean expression as its operand and reverses its logical value

Today, CPUs are huge devices made of electrical and mechanical components such as vacuum tubes and switches.

An extensive encoding scheme that can represent characters for many languages in the world is ____.

A __________ is a name that references a value in the computer’s memory

The symbols > , < , and == are all operators.

Short notes placed in different parts of a program explaining how those parts of the program work are called __.

You use a(n) ___ statement to write a dual alternative decision structure.

A(n) makes a variable reference a value in the computer’s memory.

Real numbers are encoded using the _______ technique.

The computer stores a program while the program is running, as well as the data that the program is working with, in ___

In the expression 12 + 7, the values on the right and left of the + symbol are called:

A Boolean expression created with the and operator is true only when both subexpressions are true.

The rules that must be followed when writing a program are called ____.

Assembly language is considered a high-level language.

A ______ is enough memory to store a letter of the alphabet or a small number.

A(n) __________ is a set of instructions that a computer follows to perform a task.

Today, CPUs are small chips known as

The tiny dots of color that digital images are composed of are called

A ___ is a diagram that graphically depicts the steps that take place in a program.

This symbol marks the beginning of a comment in Python

price = 99.0 . After this statement executes, the price will be of which data type?

A magic number is .

An interpreter is a program that both translates and executes the instructions of a program.

A type of memory that can hold data for long periods of time, even when there is no power

A video display is a(n) _____ device

A Boolean expression created with the ___ operator is true if either subexpressions are true

In the _____ part of the fetch-decode-execute cycle, the CPU determines which operation it should perform.

In a math expression, multiplication and division take place before addition and subtraction.

The structure that provides one alternative path of execution

A sequence of characters that can be typed.

Negative numbers are encoded using the _____ technique.

Images, like the ones created with your digital camera, cannot be stored as binary numbers.

A _____ error does not prevent the program from running, but causes it to produce incorrect results.

You use a(n) __________ statement to write a single alternative decision structure.

A ___ Is a single function that the program must perform in order to satisfy the customer.

In the ____ numbering system, all numeric values are written as sequences of 0s and 1s.

A byte is made up of eight

You can write any program using only sequence structures

This operator performs integer division:

Word processing, spreadsheet, email, web browsers, and games are all examples of utility programs.

A ____ Is any hypothetical person that is using a program and providing input for it.

Computers can only execute programs written in

A bit that is turned off represents the following value.

The ________ translates an assembly language program to a machine language

An informal language that has no syntax rules and is not meant to be compiled or executed is called _______

A(n) ___ structure tests a condition and then takes one path if true, and another if false.

A ____ is a name that represents a value that cannot be changed during the program’s execution.

This is a boolean variable that signals when some condition exists in the program.

Which of the following statements will cause an error?

This is an operator that raises a number to a power

A string literal in Python must be enclosed in

A program can be made of only one type of control structure. You cannot combine structures.

A ______ structure can execute a set of statements only under certain circumstances

A component that collects data from people or other devices and sends it to the computer is called ___.

A(n) ___ program translates a high-level language program into a separate machine program.

Machine language is the only language that a CPU understands.

Variable names can have spaces in them.

Main memory is also known as RAM.

and , or , and not are operators.

This operator performs division, but instead of returning the quotient it returns the remainder

A compound expression created with the _____ operator is true if both subexpressions are true

A(n) _____ is a set of well-defined logical steps that must be taken to perform a task.

A set of 128 numeric codes that represent the English letters, various punctuation marks, and other characters is _____.

A(n) ________ expression has a value of either true or false

A decision structure can be nested inside another decision structure.