CC2 MIDTERMS

Question 1

Why do people use python?

Answer 1

software quality, developer productivity, program portability, support libraries, component intergration

Question 2

What can you do with python?

Answer 2

Data base programming, rapid prototyping, GUI, Component integration, systems programming.

Question 3

How does python run programs?

Answer 3

using interpreter

Question 4

a program that executes other programs

Answer 4

interpreter

Question 5

A sequence of instructions that specifies how to perform a computation

Answer 5

Program

Question 6

To get data from the keyboard, file, network, other device

Answer 6

Input

Question 7

Display data on a screen, save it in a file on network or some other device

Answer 7

output

Question 8

Perform basic mathematical operations, like addition and multiplication

Answer 8

math

Question 9

check for certain conditions in run the appropriate code

Answer 9

conditional execution

Question 10

Perform some basic action repeatedly usually with some variation

Answer 10

repetition

Question 11

formal set of instructions and rules used express, computations and algorithms

Answer 11

programming language

Question 12

The main purpose of this language is to provide a human readable medium to design structure and articulate complex task and operations that the computer can understand and execute

Answer 12

programming language

Question 13

It is any method of solving a certain kind of problem and a precise method usable by a computer for the solution of the problem

Answer 13

algorithm

Question 14

it consists of a set of explicit, infinite steps, which, when carried out for a given set of initial conditions, produce the corresponding output, and terminate in a fixed amount of time

Answer 14

algorithm

Question 15

Ability to write an algorithm that will solve the problem according to the requirement

Answer 15

Design

Question 16

compare an existing or new algorithm to the previous algorithm

Answer 16

analysis

Question 17

Verification consists of three aspects. What are those?

Answer 17

program, proving, testing and debugging

Question 18

It is a visual representation of the sequence of steps and decisions needed to perform a process

Answer 18

Flowchart

Question 19

Indicates the start or end of a program process

Answer 19

Oval

Question 20

Recent process or operations this is where a specific action or command this executed

Answer 20

rectangles

Question 21

Used for decision-making they typically contain a yes, or no question or true or false test

Answer 21

Diamonds

Question 22

Indicate input or output operations, such as reading, data printing results

Answer 22

Parallelograms

Question 23

Show the flow of the process, or the sequence in which operations are executed

Answer 23

Arrows

Question 24

represent connectors, indicating the flow charts, continuation on another page or junction in flow chart

Answer 24

small circles, or elipses

Question 25

Flow charts can make complex processes and algorithms easier to understand the visualization

Answer 25

Visual clarity

Question 26

With the help of a flow chart, problem, solving and analysis become more efficient

Answer 26

Effective analysis

Question 27

Flowchart serve us a good form of documentation, providing a visual archive of various processes

Answer 27

Documentation

Question 28

flowcharts can aid in discussing and conveying ideas to team members or stakeholders

Answer 28

Improved communication

Question 29

for very complex, algorithms flow charts can become large and unwieldy

Answer 29

Complexity

Question 30

charts are high-level diagrams when it comes to coding, the specifics of a programming language need to be considered which the flow chart might not be captured

Answer 30

Language specific

Question 31

If the algorithm changes the flow chart needs to be updated, which can be time-consuming for intricate diagrams

Answer 31

Updates

Question 32

This is a name that can be assigned value, and then used to refer to that value throughout your code

Answer 32

Variables

Question 33

Variable names cannot begin with a digit true or false

Answer 33

True

Question 34

These are lines of text that don’t affect the way your program runs

Answer 34

Comments

Question 35

Integers can be binary values and octal values, as well as hexadecimal values, true or false

Answer 35

True

Question 36

A floating point consists of a decimal point and can also make use of negative values, true or false

Answer 36

True

Question 37

Making use of double quotes to define the string, true or false

Answer 37

True

Question 38

null object makes use of the “none” keyword, true or false

Answer 38

True

Question 39

The volume operator is applied to are called operands true or false

Answer 39

True

Question 40

It allows you to specify or convert a type of variable

Answer 40

casting

Question 41

Generic term for an ordered set

Answer 41

Sequence

Question 42

Most versatile sequence type, and can contain any object

Answer 42

Lists

Question 43

Like lists, they are immutable they can’t be changed

Answer 43

tuples

Question 44

A collection of key value pairs

Answer 44

Dictionary

Question 45

These are used to compare two values or variables

Answer 45

Relational operators

Question 46

This returns true if both conditions are true

Answer 46

and

Question 47

Returns through if at least one of the conditions is true

Answer 47

or

Question 48

Return the opposite boolean value

Answer 48

not

Question 49

this involves expressions involved in keyword, such as if elif and else

Answer 49

Conditionals

Question 50

Represent one of the two values true or false

Answer 50

booleans

Question 51

It decides whether certain statements need to be executed or not

Answer 51

if

Question 52

Statement is used to check additional conditions if the first condition is evaluated as false

Answer 52

elif

Question 53

statement will only execute its body, if only preceding, conditional statements, all evaluate to false, otherwise it will not be executed

Answer 53

else

Question 54

These are also used for validation and authentication when the program asks for a user input

Answer 54

nested if-else statements