ICT 401 questions

Question 1

What is Computer Programming?

Answer 1

Computer programming is the process of humans communicating with computers to make them perform specific tasks.

Question 2

Explain SDLC?

Answer 2

Software development life cycle (SDLC) is a structured process that is used to design, develop, and test good-quality software. The goal of the SDLC life cycle model is to deliver high-quality, maintainable software that meets the user’s requirements.

Question 3

What is pseudocode?

Answer 3

Pseudocode is a method used by programmers to plan out algorithms and code structures in a way that is easy to read and understand, without worrying about the syntax of a specific programming language.

Question 4

What is IDE?

Answer 4

IDE stands for integrated development environment, and it’s a type of software that helps programmers create code. It does so by combining a number of functions into a single program, allowing users to write, test, and execute programs all from the same place, sometimes even with a graphical user interface.

Question 5

What is Syntax?

Answer 5

Rules of language (a set of rules that tells the computer how to understand and run the code correctly)

Question 6

Two types of testing?

Answer 6

White box and Black box

Question 7

What are the data types?

Answer 7

String, integer, float, boolean

Question 8

What ASCII stands for?

Answer 8

American Standard Code for Information Interchange

Question 9

What MUTABLE means?

Answer 9

Mutable means that something can be changed or modified after it is created.

In programming, this usually refers to data types.

Question 10

What CONCATINATION means?

Answer 10

Concatenation means joining two or more strings (or other sequences) together into one (combining 2 strings).

Question 11

What String Slicing means?

Answer 11

String slicing means extracting a specific part (substring) from a string using index positions.

Question 12

What are the boolean operators?

Answer 12

AND, OR and NOT

Question 13

What are the Python functions?

Answer 13

-BUILT IN
-USER DEFINED

Question 14

What is Modulo operator (%) in Python?

Answer 14

Modulo operator (%) in Python gives the remainder when one number is divided by another.
In Python, you can calculate the modulos of numeric types int and float. Also, you can calculate the modulo of negative numbers.

Question 15

What are the Relational Operators?

Answer 15

== (equal), != (not equal), > (greater than), < (less than), >= (greater than or equal to), <= (less than or equal to)

Question 16

What Array means?

Answer 16

An array is a collection of elements stored in a single variable, where each element can be accessed using an index.

Question 17

What UNICODE means?

Answer 17

Unicode provides a unique number for every character.

Question 18

What is a STRING?

Answer 18

A string is a sequence of characters used to represent text in programming.

Question 19

How to declare a String?

Answer 19

Strings in python are usually surrounded by a pair of
non-directional single quotation marks, or double
quotation marks.

Question 20

Escaped characters in a string:

Answer 20

' Single Quote
" Double Quote
\ Backslash
\n New Line
\t Tab

Question 21

Scrutinizing strings:

Answer 21

*Use id () to check its unique identification number
*Use type () to check its data type

Question 22

What is a Control Structure?

Answer 22

A control structure is a decision that the
computer makes or a block of programming that analyses variables
and chooses a direction in which to go based on
given parameters

Question 23

What SSI stands for?

Answer 23

Sequence (the order in which tasks are to be executed).
Selection (executed only if a certain condition is met)
Iteration (a loop that allows part of the program to be executed multiple times).

Question 24

What control structure is conditional and unconditional?

Answer 24

Sequence is Unconditional
Selection & Iteration are Conditional

Question 25

What is Function?

Answer 25

Named reusable block of code

Question 26

What are the 2 types of function?

Answer 26

Built-in and User defined

Question 27

What is indentation?

Answer 27

Indentation is the space or tab added at the beginning of a line of code to show structure or hierarchy

Question 28

What CAR stands for?

Answer 28

CALL ACTION RETURN

Question 29

How to define a function?

Answer 29

Use the (def) keyword

Question 30

A Python function must be defined before it is called?

Answer 30

YES

Question 31

What is Lambda function?

Answer 31

A lambda function is a small, anonymous function defined using the lambda keyword — usually used for short, throwaway functions.

Question 32

What is Generator function?

Answer 32

Generator functions allow you to declare a function that behaves like an iterator, i.e., it can be used in a for loop.

Question 33

What is Decorator function?

Answer 33

A decorator takes in a function, adds some functionality and returns the function without modifying the underlying code of the original function.

Question 34

What is Monolithic code?

Answer 34

Monolithic code refers to a large, single-tiered block of code where all parts of a program — like the user interface, business logic, and data access — are tightly combined in one unit.

Question 35

Functions have Local variables:

Answer 35

- must be declared before used -variable defined inside function scope -cannot be accessed outside of function -different functions can have same variable names

Question 36

What is a LIST?

Answer 36

* Used to store multiple items in a single variable. * Enclosed using square brackets * Items in the same list do not have to be of the same data type * One list can contain multiple copies of an identical item

Question 37

What is a DICTIONARY?

Answer 37

A dictionary is a data structure that stores data in key-value pairs {Enclosed using curly brackets}

Question 38

What is a SET?

Answer 38

A set is a collection of unique, unordered items in Python. One set cannot contain multiple copies of an identical item.

Question 39

What is a TUPLE?

Answer 39

Tuple is basically a list, but items cannot be added or removed * Enclosed using brackets () * A tuple can have duplicated items and is unsorted.