Chapter 4: Software

Question 1

What is an operating system

Answer 1

It provides a user interface so we can input data
it manages apps

Question 2

what do integer, real, char, string, float, and boolean mean?

Answer 2

integer: any whole number
real: they include fractions or decimal points
char: whole keyboard
string: all letters
boolean: true and false values
float: float is used to store approximate values, not exact values.

Question 3

what do sequence, repetition, totaling, selection, and counting

Answer 3

sequence: the order in which code is executed
repetition: Any case where code is repeated
totaling: The process of keeping a running total of values in a program, such as a score.
selection: Where a section of code runs only if a condition is met.
counting: Is used to find the number of numbers in a list.