Chap. 1 (Intro)

Question 1

Define Central Processing Unit

Answer 1

The part of the computer that is built to be obsessed with “what is next?”

Question 2

Define Main Memory

Answer 2

Stores programs and data. Main memory loses its information when the power is turned off.

Question 3

Define Secondary Memory

Answer 3

Stores programs and data and retains this information even when the power is turned off. Generally slower than memory. Examples of secondary memory include disc drives and flash memory, and USB sticks.

Question 4

Define Input Device

Answer 4

A keyboard, mouse, microphone, touchpad

Question 5

Define Output Device

Answer 5

A screen, speaker, printer, etc.

Question 6

Define Network Connection

Answer 6

Retrieve information over a network.

Question 7

Define Program

Answer 7

A set of instructions that specifies a computation.

Question 8

Define Programming

Answer 8

The act of writing the instructions of a program down and getting the instructions to be correct.

Question 9

Define Programmer

Answer 9

Someone who is skilled in the art of programming.

Question 10

Define Variables

Answer 10

Words that are created in programming software that have meaning.

Question 11

Define Strings

Answer 11

Strings in Python are sequences of characters used to represent text. They are immutable, meaning their value cannot be changed after creation.

Question 12

Define High-level Language

Answer 12

A programming language like Python that is designed to be easy for humans to read and write.

Question 13

Define Machine Language

Answer 13

The lowest-level programming language, consisting of binary code (0s and 1s) that a computer’s CPU directly understands and executes, representing instructions and data

Question 14

Define Portability

Answer 14

A property of a program that can run on more than one kind of computer.

Question 15

Define Interpret(er)

Answer 15

To execute a program in a high-level language by translating it one line at a time.

Question 16

Define Compile(r)

Answer 16

To translate a program written in a high-level language into a low-level language, all at once, in preparation for later execution.

Question 17

Define Script

Answer 17

A written text containing a sequence of statements containing a sequence of actions for a program that’ll perform a specific task when ran.

Question 18

Define Bug

Answer 18

An error in a program.

Question 19

Define Interactive Mode

Answer 19

A way of using the python interpreter by typing commands and expressions at the prompt.

Question 20

Define Low-level Language

Answer 20

A programming language that is designed to be easy for a computer to execute; also called “machine code” or “assembly language”

Question 21

Define Machine Code

Answer 21

Stores programs and data. Main memory loses its information when the power is turned off.

Question 22

Define Parse

Answer 22

To examine a program and analyze the syntactic structure.

Question 23

Define Portability

Answer 23

A property of a program that can run on more than one kind of computer.

Question 24

Define Print Function

Answer 24

An instruction that causes the python interpreter to display a value on the screen.

Question 25

Define Problem Solving

Answer 25

The process of formulating, a problem, finding a solution, and expressing the solution.

Question 26

Define Prompt

Answer 26

When a program displays a message and pauses for the user to type some input to the program.

Question 27

Define Semantics

Answer 27

The meaning of a program

Question 28

Define Semantic Error

Answer 28

An error in a program that makes it do something other than what the programmer intended.

Question 29

Define Source Code

Answer 29

A program in a high-level language.

Question 30

Define Logic Errors

Answer 30

When your program has good syntax, but there is a mistake in the order of the statements or perhaps a mistake and how the statements relate to one another.

Question 31

Syntax errors

Answer 31

Means that you have violated the “grammar” rules of Python.

Question 32

Define Function

Answer 32

A reusable block of code that performs a specific task, taking input (arguments), processing it, and potentially returning an output.