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WorksheetsComputer Science Basics Worksheet
Total questions: 86
Worksheet time: 1hrs 26mins
The brain of a computer is:
Keyboard
CPU
Hard Disk
Mouse
Which device is used for permanent data storage?
RAM
ROM
Cache
Register
Which of the following is not an input device?
Scanner
Keyboard
Monitor
Mouse
Which memory is volatile?
A. RAM
B. ROM
C. Flash
D. Hard Disk
A kilobyte equals:
1000 bytes
1024 bytes
100 bytes
2048 bytes
The operating system acts as:
Hardware
Interface between user and hardware
Compiler
Network tool
Which is not an example of an operating system?
Linux
Windows
MS Word
macOS
Which programming language is used for AI?
COBOL
LISP
FORTRAN
Software designed to perform specific tasks is:
System software
Application software
Utility software
Firmware
Which of these is an example of system software?
MS Word
Windows 11
Photoshop
Excel
BIOS stands for:
Basic Input Output System
Binary Input Output Source
Basic Internal Output System
Basic Input Output Service
What is the smallest unit of data in a computer?
Byte
Bit
Nibble
Word
ALU stands for:
Arithmetic Logic Unit
Advanced Logic Unit
Application Logical Utility
Arithmetic Long Utility
What type of software controls hardware directly?
System software
Application software
Utility software
Shareware
An example of open-source software is:
Linux
Windows
macOS
MS Office
HTML is used for:
Which of the following is used for designing web pages?
Designing web pages
Data analysis
Software testing
Animation
A compiler converts:
High-level code to machine code
Binary to decimal
Machine code to assembly
Data to graphs
URL stands for:
Uniform Resource Locator
Uniform Registered Link
Universal Routing Locator
Universal Resource Link
Which is an example of cloud storage?
Google Drive
RAM
Cache
USB
Computer viruses are mostly spread by:
Software downloads and email attachments
Hardware faults
RAM errors
Cache overflow
Spreadsheet software is used for:
Data calculations and analysis
Writing letters
Presentations
Photo editing
In Excel, a formula always starts with:
@
#
=
+
The physical components of a computer are called:
Software
Hardware
Dataware
Firmware
Which port is used to connect a printer?
USB
VGA
HDMI
PS/2
Which of these is a search engine?
Windows
LAN stands for:
Local Area Network
Large Area Network
Long Access Node
Logical Access Network
Which of these is NOT a web browser?
Firefox
Safari
Edge
Windows Explorer
The Internet was first developed by:
DARPA (U.S. Defense Agency)
IBM
Microsoft
The full form of IP is:
Internet Protocol
Internal Program
Internet Process
Internal Port
Firewall is used for:
Network security
Increasing speed
Power backup
Storage management
MIS stands for:
Management Information System
Machine Input System
ERP integrates:
All departments and functions in an organization
Only finance
Only HR
Only IT
CRM systems focus on:
Customer relationships
Inventory management
Production scheduling
Accounting
DSS stands for:
Decision Support System
Data Security Software
Digital Server Setup
Dynamic Storage System
Big Data is defined by:
Volume, Velocity, Variety
Value, Volume, Vision
Version, Velocity, Virtualization
Volume, Validity, Value
Which is a type of network topology?
Star
Matrix
Ring
Both A and C
The standard protocol for the web is:
HTTP
SMTP
FTP
POP3
Phishing is:
Stealing confidential data through fake emails
Data encryption
Data compression
Firewall setting
Encryption is used to:
Protect data during transmission
Store data faster
Delete data
Compress files
Which of the following is an example of an ERP system?
SAP
Gmail
PowerPoint
Chrome
Cookies are used to:
Track user activity on websites
Increase system speed
Block malware
Backup files
VPN stands for:
Virtual Private Network
Variable Public Network
Virtual Public Node
Verified Private Node
The main purpose of a database is to:
Store and manage data efficiently
Design graphics
Send emails
Create animations
SQL stands for:
Structured Query Language
Standard Question Language
Stored Query Language
System Query Logic
Which of the following is a database model?
Relational
Hierarchical
Network
All of these
Primary key uniquely identifies:
A record in a table
A column name
A report
Cybersecurity deals with:
Protecting computers and networks from attacks
Software development
Web design
Data analytics
A worm differs from a virus because:
It spreads without human action
It needs a host file
It can’t replicate
It’s harmless
Two-factor authentication enhances:
Security
File speed
User interface
Data volume
Firewall filters traffic based on:
IP addresses and protocols
User preferences
Data size
File type only
Cloud computing provides:
On-demand access to shared computing resources
Physical hardware setup
Offline-only systems
Manual file transfers
Which of the following is NOT a type of cloud deployment model?
Public cloud
Private cloud
Hybrid cloud
Local cloud
SaaS stands for:
Software as a Service
Storage as a System
Server as a Solution
System and Application Software
Which company is a major cloud service provider?
AWS (Amazon Web Services)
Dell
Adobe
HP
The Internet of Things (IoT) connects:
Devices via the Internet to collect and share data
Only computers
Only mobile phones
Servers only
Which of the following is an IoT device?
Smart thermostat
Typewriter
Projector
USB stick
Artificial Intelligence (AI) mainly deals with:
Simulating human intelligence in machines
Data storage
Computer networking
Hardware assembly
Machine Learning (ML) is a subset of:
Artificial Intelligence
Blockchain
IoT
Cloud Computing
Deep Learning primarily uses:
Neural Networks
Decision Trees
Regression models
Spreadsheets
Natural Language Processing (NLP) enables computers to:
Understand and interpret human language
Translate code
Increase memory
Perform hardware tasks
Robotic Process Automation (RPA) is used for:
Automating repetitive business processes
Building robots
AI research only
Which of the following is a popular RPA tool?
UiPath
Photoshop
Excel
Oracle
Blockchain technology is primarily used for:
Secure and transparent transaction recording
File storage
Image processing
Software debugging
A blockchain ledger is:
Distributed and immutable
Centralized and editable
Hidden
Temporary
The first blockchain application was:
Bitcoin
Ethereum
Ripple
Cardano
Which of the following is NOT a characteristic of blockchain?
Decentralization
Transparency
Centralized control
Security
Data analytics helps organizations to:
Make data-driven decisions
Increase paperwork
Reduce computing power
Avoid automation
Big Data analytics tools include:
Hadoop and Spark
Photoshop and Illustrator
Word and Excel only
Wireshark and VLC
Data visualization is mainly done using:
Which of the following is a data visualization tool?
Power BI and Tableau
Notepad
WordPad
MS Paint
Edge computing means:
Processing data near the source of generation
Centralized data processing
Backup in remote servers
Hardware disposal
AR stands for:
Augmented Reality
Artificial Record
Automated Resource
Augmented Recorder
VR stands for:
Virtual Reality
Variable Recorder
Virtual Record
Vision Rendering
Augmented Reality differs from Virtual Reality because it:
Overlays digital content on real-world view
Replaces the real world
Blocks real objects
Uses no sensors
3D printing is also known as:
Additive Manufacturing
Subtractive Manufacturing
Virtual Manufacturing
Industrial Simulation
Quantum computing uses:
Qubits
Bits
Circuits only
Chips
Cyber-Physical Systems integrate:
Physical processes with digital computation
Human resources
Manual tools
Traditional machinery
Industry 4.0 primarily focuses on:
Automation and smart manufacturing
Manual labor
Paper documentation
Basic computing
Green computing promotes:
Environmentally sustainable IT practices
More hardware usage
Extra data centers
Uncontrolled power use
The main risk of cloud computing is:
Data security and privacy
Faster processing
Collaboration
Scalability
The future of IT in business focuses on:
Digital transformation and innovation
Manual systems
Paper reports
Elimination of automation
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