WorksheetsICT Preparation
Total questions: 72
Worksheet time: 36mins
The domain extension ".org" is generally used for ________.
Government websites
Non-profit organizations
Commercial businesses
Educational institutions
The domain extension ".edu" is used mainly for ________.
Educational institutions
Entertainment websites
E-commerce websites
Military websites
Which domain extension is commonly used for commercial businesses?
.gov
.com
.edu
.mil
The domain extension ".gov" is reserved for ________.
Global companies
Government organizations
Scientific research
News agencies
The domain ".net" was originally intended for ________.
Network-related services like ISPs
News portals
Non-profit groups
Educational websites
The domain ".mil" is used exclusively by ________.
Military organizations
Medical institutions
Multimedia websites
Museums
Which domain extension is commonly used for personal blogs or general purposes?
.org
.info
.mil
.gov
The ".int" domain extension is used for ________.
International treaty-based organizations
Internal company networks
Internet service providers
Interactive media
The domain ".co" is widely used as an alternative to ".com" and is officially the country code for ________.
Colombia
China
Costa Rica
Canada
The domain ".biz" is meant for _______.
Business and commercial use
Charity organizations
Biotechnology websites
Banking services
Scrambling is mainly used to _______.
Convert data into unreadable form temporarily
Provide strong cryptographic protection
Compress data
Delete unwanted data
Encryption is the process of _______.
Restoring data to its original form
Converting plaintext into ciphertext
Rearranging characters randomly
Storing data securely
Decryption refers to _______.
Breaking a device password
Converting ciphertext back to readable plaintext
Compressing encrypted data
Destroying encrypted information
Which of the following is not a purpose of encryption?
Protecting data during transmission
Ensuring data confidentiality
Making data completely random
Preventing hardware failure
Securing sensitive information
Scrambling differs from encryption because ________.
Scrambling is reversible without a key
Scrambling always requires a private key
Encryption is weaker than scrambling
Scrambling is used only for emails
The original readable message before encryption is called ________.
Hash
Ciphertext
Plaintext
Code
The unreadable result after encrypting data is known as ________.
Plaintext
Ciphertext
Source code
Scrambled text
Decryption requires a ________ to convert ciphertext to plaintext.
Domain
Key
File extension
Compiler
Which of the following is most commonly used for secure encryption?
Hashing
Public key
Symmetric key
Scrambling
Which of the following is an example of strong algorithms used for scrambling?
Substitution scrambling
Strong algorithms like AES
Simple letter shifting
Manual rearrangement of characters
Scrambling is often used in ________.
Password hashing
Television signal protection
Banking transactions
Computer boot encryption
What is the decimal value of the 8-bit binary number 11001010?
202
150
128
212
Which of the following is the correct 8-bit binary representation of decimal 45?
00011101
00101101
00101100
00110101
What is the decimal value of the 8-bit binary number 00010110?
16
22
26
32
A collection of interconnected computers that share resources is called a ________.
Algorithm
Network
Database
Compiler
Which device is used to connect multiple computers within the same network?
Modem
Switch
Printer
Projector
Which of the following is the 8-bit binary representation of decimal 128?
11111111
01000000
10000000
11000000
What is the 8-bit binary equivalent of decimal 255?
11110000
00001111
10101010
11111111
What is the sum of 16, 4, and 2?
20
22
24
18
What does LAN stand for?
Large Area Network
Local Area Network
Long Access Node
Linked Access Network
Which of the following communication media uses light signals?
Twisted pair cable
Coaxial cable
Optical fiber cable
Microwave antenna
The device used to connect a computer to the Internet through telephone lines is called a ________.
Router
Switch
Modem
Hub
Which protocol is responsible for transferring web pages on the internet?
FTP
HTTP
SMTP
POP
Digital communication transmits data in the form of ________.
Continuous signals
Sound waves
Discrete signals
Analog signals
What does Wi-Fi stand for?
Wireless Fidelity
Wide Field Internet
Wired Filtering
Wireless Finder
Which of the following is a wireless communication technology?
Ethernet
Bluetooth
Coaxial cable
Optical fiber
The maximum amount of data that can be transferred over a network in a given time is called ________.
Latency
Bandwidth
Frequency
Topology
A variable in programming is used to ________.
Store data values
Display output only
Perform calculations only
Stop program execution
A sequence structure in programming means the instructions are executed ________.
Randomly
From top to bottom in order
Only when a condition is true
Until a loop ends
Which statement is used in programming for selection (decision making)?
For
While
If
Iteration in programming refers to ________.
Repeating a set of instructions multiple times
Making decisions
Executing statements once
Storing temporary data
Which of the following is an example of a looping statement?
If
Else
While
Which flowchart symbol is used to represent Start or End of a process?
Rectangle
Diamond
Oval / Terminal
The Input/Output operation in a flowchart is represented by which symbol?
Rectangle
Parallelogram
Diamond
Circle
The Process step in a flowchart, where calculations or operations occur, is represented by a ________.
Rectangle
Diamond
Parallelogram
Arrow
A Decision (YES/NO) or condition checking is represented by which symbol?
Rectangle
Diamond
Oval
Arrow
Arrows in a flowchart are used to ________.
Show data values
Indicate the flow of control
Perform calculations
Represent input operations
In the IPO model, the step where the user enters data is called ________.
Input
Process
Output
Calculation
In the IPO cycle, the part where actual calculations and operations are performed is ________.
Input
Output
Process
Storage
The Output in a flowchart (such as displaying results) is shown using which symbol?
Parallelogram
Rectangle
Diamond
Oval
Which of the following is an example of a process operation in a flowchart?
Enter number A
Display result
A = B + C
Start
In a flowchart, the symbol used to connect different parts of the diagram or continue flow on another page is called ________.
Connector
Decision
Process
Terminator
What is the symbol used in a flowchart to represent a connector?
Connector
Process
Input/Output
Decision
What is the input required for the student grade calculator program described in the case study?
Marks in Subject 1, Subject 2, Subject 3
Total marks of all subjects
Average marks of all subjects
Pass/Fail result
What is the condition for a student to pass according to the case study?
Average ≥ 50
Average ≥ 40
Total ≥ 100
Total ≥ 120
What is the process to calculate the average in the student grade calculator program?
TOTAL / 2
TOTAL / 3
TOTAL / 4
TOTAL / 5
What is the final output of the student grade calculator program?
Display TOTAL, AVG, RESULT (Pass/Fail)
Display TOTAL only
Display AVG only
Display RESULT only
What is the first step in the flowchart for the student grade calculator program?
Input marks of three subjects
Start
Calculate total
Calculate average
What decision is made in the flowchart for the student grade calculator program?
Is TOTAL ≥ 100?
Is AVG ≥ 40?
Is TOTAL ≥ 120?
Is AVG ≥ 50?
What is the purpose of the flowchart in Case Study 2?
To check if a number is positive or negative
To check if a number is even or odd
To compare two numbers
To calculate the square of a number
What is the first step in the flowchart for checking whether a number is even or odd?
Input a number
Start
Check if the number is divisible by 2
Display 'Even' or 'Odd'
In Case Study 3, what is the output of the flowchart?
The sum of two numbers
The product of two numbers
The larger of two numbers
The smaller of two numbers
What is the decision-making step in the flowchart for Case Study 2?
Is N divisible by 3?
Is N greater than 10?
Is N % 2 = 0?
Is N less than 0?
What is the input required for the flowchart in Case Study 3?
A single number
Two numbers
A string of text
A list of numbers
What is the process described in Case Study 3?
Add two numbers
Compare two numbers
Subtract two numbers
Multiply two numbers
Flowchart for checking whether a number is even or odd
Flowchart for checking whether a number is even or odd
Flowchart for checking whether a number is prime or composite
Flowchart for checking whether a number is positive or negative
Flowchart for checking whether a number is divisible by 3
Flowchart to display the largest of two numbers
Flowchart to display the largest of two numbers
Flowchart to display the sum of two numbers
Flowchart to display the smallest of two numbers
Flowchart to display the product of two numbers
What is the first step in the process described in the image?
Compare A and B
Input A and B
Output "A is Larger"
End the process
What decision is made in the process described in the image?
Whether A is equal to B
Whether A is greater than B
Whether B is greater than A
Whether A and B are inputs
What happens if A is greater than B in the process?
Output "B is Larger"
Output "A is Larger"
End the process
Input A and B again
What happens if A is not greater than B in the process?
Output "A is Larger"
Output "B is Larger"
Input A and B again
End the process
What is the final step in the process described in the image?
Input A and B
Compare A and B
Output "A is Larger" or "B is Larger"
End the process
