Week 1

Question 1

Is Python a high or low level language?

Answer 1

High level

Question 2

What are low level languages also referred as?

Answer 2

low-level languages, sometimes referred to as “machine languages” or “as- sembly languages.”

Question 3

Generally speaking what language do computers understand programs at?

Answer 3

At the low level

Question 4

What is a disadvantage of a high level programming language?

Answer 4

Have to be processed to a lower level before they can be run.

Question 5

What are the advantages of a high level programming language?

Answer 5

Much easier to program. Less time to write. Shorter and easier to read. More likely to be correct. Portable.

Question 6

What are the two kinds of programs that process high level languages into low level?

Answer 6

Interpreters and compilers

Question 7

What is an interpreter?

Answer 7

An interpreter reads high level language and executes. usually line by line.

Question 8

What does a compiler do?

Answer 8

A compiler reads the program and translates it completely before execution.

Question 9

What is problem solving?

Answer 9

Problem solving means the ability to formulate problems, think creatively about solutions, and express a solution clearly and accurately.

Question 10

What is a program?

Answer 10

A sequence of instructions that specify how to perform a computation.

Question 11

What are the 5 instructions that pretty much any program will use?

Answer 11

Input, output, math, conditional execution , and repetition

Question 12

When referring to a program made through a compiler. what are the definitions for the terms below.

Source code, object code, and what is another term for object code?

Answer 12

Source code: high level program

Object code: translated program

Executable

Question 13

Python is considered as what kind of an language?

Interpreter or compiler one?

Answer 13

Interpreter

Question 14

What are the two ways to use the python interpreter?

Answer 14

Interactive and script mode

Question 15

What does the chevron&raquo_space;> in Python indicate?

Answer 15

Indicates interpreter is ready for code to be typed in

Question 16

Python scripts use what kind of an extension for file name?

Answer 16

.py

Question 17

Is programming error proof?

Answer 17

No it isn’t

Question 18

What is a programming error called?

Answer 18

Called a bug

Question 19

What is debugging?

Answer 19

Process of tracking down a bug, and finding it is debugging.

Question 20

What does syntax refer to?

Answer 20

Structure of a program and rules about that structure.

Question 21

What are runtime errors?

Answer 21

When an error appears after the program has started running.

Question 22

Why are runtime errors exceptions?

Answer 22

Because they indicate something exceptional and bad has happened.

Question 23

What is a semantic error?

Answer 23

When a program runs successfully, does what it is told to do, but not what you want it to do.

Question 24

What are the three errors that appear in programs?

Answer 24

Syntax, runtime, and semantic errors.

Question 25

What are formal languages?

Answer 25

Designed by people for specific applications.

Question 26

Programming languages have been designed to express what?

Answer 26

Have been designed to express computations.

Question 27

What are tokens in a language?

Answer 27

Basic elements of the language

Question 28

What are some examples of tokens

Answer 28

Words, numbers, and chemical elements

Question 29

What is the structure syntax rule?

Answer 29

Structure of a statement can’t have + before 1

Question 30

Formal languages tend to have strict rules about ______?

Answer 30

Syntax

Question 31

What is parsing?

Answer 31

Figure out the structure of a sentence, statement, or line of code.

Question 32

What is conditional execution?

Answer 32

Check for certain conditions and executed the appropriate sequence of statements