PARTIAL EXAM REVIEW - Computer
1.A programming language is a language that computers can understand.Every programming language has its own set of rules that determine if a line of code is valid or not.
2.What are built in functions,Are basically tasks that are already defined in the programming language.This lets us use them directly in our code by writing their names and by specifying the values they need.
3.Write the names of the most common programming languages used today. Python, JavaScript, TypeScript, Java, C, C#, C++, PHP, Go, Swift, SQL,
4.What is programming?. It is the process of writing code to solve a particular problem or to implement a particular task.
5.Why is programming important in the usage of programs inside electronic devices we use every day? Programming is what allows your computer to run the programs you use every day and your smartphone to run the apps that you love. It is an essential part of our world as we know it.
6.Define the term code. Code is a sequence of instructions that a programmer writes to tell a device (like a computer) what to do.
7.Who is known as a developer of programming languages? A developer (or programmer) is the person who analyzes a problem and implements a solution in code.
8.Define the term syntax? (a set of rules for writing the code).The structure of statements in a computer language.
9.High level programming language:A programming language with a syntax that recognizes specific word(called keywords),symbol and values of different data types.
10.Every programming language has its own set of keywords (words written in English). These keywords are part of the syntax and core functionality of the programming language.
11.The transformation of source code that humans can understand into binary code that the computer can understand is known as Compilation.
12.According to Britannica, a compiler is defined as a computer software that translates (compiles) source code written in a high-level language (e.g., Python) into a set of machine-language instructions that can be understood by a digital computer’s CPU.
13.The term compiler was coined by American computer scientist Grace Hopper, who designed one of the first compilers in the early 1950s.
14.Python Is a popular programming language. It was created by Guido van Rossum, and released in 1991.
15.The most recent major version of Python is Python 3.
16.Python was designed for readability, and has some similarities to the English language with influence from mathematics.
17.Indentation refers to the spaces at the beginning of a code line and is used to indicate a block of code.
18.Python Keywords are the words that are reserved. That means you can’t use them as name of any entities like variables, classes and functions.
19. OR Is a logical operator used when either one of the conditions needs to be true.
20.Python identifier Is the name we give to identify a variable, function, class, module or other object. That means whenever we want to give an entity a name.
21.a Variable ,as the name indicates is something whose value is changeable over time.
22. DEF Is a keyword used in Python for defining a function.
23.Identifiers can be a combination of uppercase and lowercase letters, digits or an underscore(_). So myVariable, variable_1, variable_for_print all are valid python identifiers
24. An Identifier can not start with digit. So while variable1 is valid, 1variable is not valid.
25.A constant (also known as Const) is a term used to describe a value that does not change throughout the execution of the program,unlike a variable.
26. Data types is the classification of a particular type of data. We as humans can understand the difference between a name and a number, but the computer cannot.
27.Programming is indeed related to binary numbers but in an indirect way. Developers do not actually write their code using zeros and ones.
28.A special, unexpected and anomalous condition encountered during the execution of a program is known as a bug.
29.Every time you turn on your smartphone, laptop, tablet, smart TV, or any other electronic device, you are running code that was planned, developed, and written by a developer.
30.Whenever you check your calendar, attend virtual conferences, browse the web, or edit a document, you are using a code that has been written by developers.
31.A loop is a sequence of instructions that repeat the same process over and over until a condition is met and it receives the order to stop.
32.Words that are reserved by a programming language or a program as they have special meaning are known as keywords.
33.An operand is a term used to denote the objects which can be manipulated using different operators. In the expression ‘A+F+Q’, ‘A’, ‘F’ and ‘Q’ are operands.
34.The number of spaces is up to you as a programmer, the most common use is four, but it has to be at least one.
35.Also known as machine code, machine language is a lowest-level programming language consisting of binary digits or bits that are read by computers.
36.A markup language is a relatively simple language that consists of easily understood keywords and tags, used to format the overall view of the page and its contents.
37.Syntax is similar to human languages, programming languages have their own set of rules on how statements can be conveyed.
38.PYTHON KEYWORDS:DEL:used for deleting objects in PYTHON. IS:Used to test for equality. NONE:represents a null value in PYTHON. NOT:logical operator to negate a condition. INPUT:used to import modules.
39...PYTHON CODING PROGRAMS AND ALGORITHMS TO REVIEW AND PRACTICE (For the partial exam you need a pencil,eraser to write the algorithm and program.)NO LIQUID PAPER.
A)
# Python Program to calculate the square root
# Note: change this value for a different result
num = 8
# To take the input from the user
#num = float(input('Enter a number: '))
num_sqrt = num ** 0.5
print('The square root of %0.3f is %0.3f'%(num ,num_sqrt))
B)
# Python3 program to add two numbers
num1 = 15
num2 = 12
# Adding two numbers
sum = num1 + num2
# printing values
print("Sum of", num1, "and", num2 , "is", sum)
C)
celsius = int(input("Enter the Temperature in Celsius :\n"))
fahrenheit = (1.8 * celsius) + 32
print("Temperature in Fahrenheit :", fahrenheit)
D)
Algorithm for Python Program to Add Two Numbers:
Declare two variables.
Initialize the variables with some values.
Declare another variable to store the sum of the numbers.
Apply the mathematical plus(+) operator between two values and store the result.
Method 1: Standard program to add two numbers in python
Python
a = 25
b = 25
sum = a + b
print("The sum of two numbers is:", sum)
E)
miles = float(input("Please enter miles:"))
kilometers = miles * 1.6
print(kilometers, " Kilometers")
Kilometers = float(input("Please enter kilometers:"))
Miles = Kilometers*0.62137
print(Miles,"Miles")
1.A programming language is a language that computers can understand.Every programming language has its own set of rules that determine if a line of code is valid or not.
2.What are built in functions,Are basically tasks that are already defined in the programming language.This lets us use them directly in our code by writing their names and by specifying the values they need.
3.Write the names of the most common programming languages used today. Python, JavaScript, TypeScript, Java, C, C#, C++, PHP, Go, Swift, SQL,
4.What is programming?. It is the process of writing code to solve a particular problem or to implement a particular task.
5.Why is programming important in the usage of programs inside electronic devices we use every day? Programming is what allows your computer to run the programs you use every day and your smartphone to run the apps that you love. It is an essential part of our world as we know it.
6.Define the term code. Code is a sequence of instructions that a programmer writes to tell a device (like a computer) what to do.
7.Who is known as a developer of programming languages? A developer (or programmer) is the person who analyzes a problem and implements a solution in code.
8.Define the term syntax? (a set of rules for writing the code).The structure of statements in a computer language.
9.High level programming language:A programming language with a syntax that recognizes specific word(called keywords),symbol and values of different data types.
10.Every programming language has its own set of keywords (words written in English). These keywords are part of the syntax and core functionality of the programming language.
11.The transformation of source code that humans can understand into binary code that the computer can understand is known as Compilation.
12.According to Britannica, a compiler is defined as a computer software that translates (compiles) source code written in a high-level language (e.g., Python) into a set of machine-language instructions that can be understood by a digital computer’s CPU.
13.The term compiler was coined by American computer scientist Grace Hopper, who designed one of the first compilers in the early 1950s.
14.Python Is a popular programming language. It was created by Guido van Rossum, and released in 1991.
15.The most recent major version of Python is Python 3.
16.Python was designed for readability, and has some similarities to the English language with influence from mathematics.
17.Indentation refers to the spaces at the beginning of a code line and is used to indicate a block of code.
18.Python Keywords are the words that are reserved. That means you can’t use them as name of any entities like variables, classes and functions.
19. OR Is a logical operator used when either one of the conditions needs to be true.
20.Python identifier Is the name we give to identify a variable, function, class, module or other object. That means whenever we want to give an entity a name.
21.a Variable ,as the name indicates is something whose value is changeable over time.
22. DEF Is a keyword used in Python for defining a function.
23.Identifiers can be a combination of uppercase and lowercase letters, digits or an underscore(_). So myVariable, variable_1, variable_for_print all are valid python identifiers
24. An Identifier can not start with digit. So while variable1 is valid, 1variable is not valid.
25.A constant (also known as Const) is a term used to describe a value that does not change throughout the execution of the program,unlike a variable.
26. Data types is the classification of a particular type of data. We as humans can understand the difference between a name and a number, but the computer cannot.
27.Programming is indeed related to binary numbers but in an indirect way. Developers do not actually write their code using zeros and ones.
28.A special, unexpected and anomalous condition encountered during the execution of a program is known as a bug.
29.Every time you turn on your smartphone, laptop, tablet, smart TV, or any other electronic device, you are running code that was planned, developed, and written by a developer.
30.Whenever you check your calendar, attend virtual conferences, browse the web, or edit a document, you are using a code that has been written by developers.
31.A loop is a sequence of instructions that repeat the same process over and over until a condition is met and it receives the order to stop.
32.Words that are reserved by a programming language or a program as they have special meaning are known as keywords.
33.An operand is a term used to denote the objects which can be manipulated using different operators. In the expression ‘A+F+Q’, ‘A’, ‘F’ and ‘Q’ are operands.
34.The number of spaces is up to you as a programmer, the most common use is four, but it has to be at least one.
35.Also known as machine code, machine language is a lowest-level programming language consisting of binary digits or bits that are read by computers.
36.A markup language is a relatively simple language that consists of easily understood keywords and tags, used to format the overall view of the page and its contents.
37.Syntax is similar to human languages, programming languages have their own set of rules on how statements can be conveyed.
38.PYTHON KEYWORDS:DEL:used for deleting objects in PYTHON. IS:Used to test for equality. NONE:represents a null value in PYTHON. NOT:logical operator to negate a condition. INPUT:used to import modules.
39...PYTHON CODING PROGRAMS AND ALGORITHMS TO REVIEW AND PRACTICE (For the partial exam you need a pencil,eraser to write the algorithm and program.)NO LIQUID PAPER.
A)
# Python Program to calculate the square root
# Note: change this value for a different result
num = 8
# To take the input from the user
#num = float(input('Enter a number: '))
num_sqrt = num ** 0.5
print('The square root of %0.3f is %0.3f'%(num ,num_sqrt))
B)
# Python3 program to add two numbers
num1 = 15
num2 = 12
# Adding two numbers
sum = num1 + num2
# printing values
print("Sum of", num1, "and", num2 , "is", sum)
C)
celsius = int(input("Enter the Temperature in Celsius :\n"))
fahrenheit = (1.8 * celsius) + 32
print("Temperature in Fahrenheit :", fahrenheit)
D)
Algorithm for Python Program to Add Two Numbers:
Declare two variables.
Initialize the variables with some values.
Declare another variable to store the sum of the numbers.
Apply the mathematical plus(+) operator between two values and store the result.
Method 1: Standard program to add two numbers in python
Python
a = 25
b = 25
sum = a + b
print("The sum of two numbers is:", sum)
E)
miles = float(input("Please enter miles:"))
kilometers = miles * 1.6
print(kilometers, " Kilometers")
Kilometers = float(input("Please enter kilometers:"))
Miles = Kilometers*0.62137
print(Miles,"Miles")
