#1
Which of the following is an example of wearable technology?
Smartwatch
ExplanationWearable device worn on the wrist, offering various functionalities.
#2
What does IoT stand for?
Internet of Things
ExplanationNetwork of interconnected devices capable of collecting and exchanging data.
#3
What does the abbreviation AI stand for?
Artificial Intelligence
ExplanationSimulation of human intelligence processes by machines.
#4
Which social media platform is known for its character limit in posts?
Twitter
ExplanationMicroblogging platform with a limited character count per post.
#5
Who is considered the father of computer science?
Alan Turing
ExplanationRenowned mathematician and logician known for his contributions to computing.
#6
Which of the following is NOT a programming language?
Microsoft Excel
ExplanationSpreadsheet software primarily used for data organization and analysis.
#7
What is the function of a compiler in programming?
To convert source code into machine code
ExplanationSoftware tool translating human-readable source code into machine-readable instructions.
#8
Which technology is used for contactless payments?
RFID (Radio Frequency Identification)
ExplanationWireless technology enabling contactless data transmission for payments and identification.
#9
What is the main function of an operating system?
To manage hardware resources and provide user interfaces
ExplanationSoftware responsible for managing hardware resources and providing a user interface.
#10
Which of the following is a popular cloud storage service?
Dropbox
ExplanationFile hosting service offering cloud storage, file synchronization, and personal cloud.
#11
Which company developed the Android operating system?
Google
ExplanationOperating system developed by Google primarily for mobile devices.
#12
What is the main function of blockchain technology?
Decentralized digital currency
ExplanationSystem for secure and transparent peer-to-peer transactions.
#13
What is augmented reality (AR)?
A technology that enhances real-world environments with digital overlays
ExplanationIntegration of digital information with the user's environment in real-time.
#14
Which of the following is an example of biometric authentication?
Fingerprint recognition
ExplanationAuthentication method using unique biological traits for identification.
#15
What is the main function of a firewall?
Filtering network traffic
ExplanationImplementing security policies to monitor and control incoming and outgoing traffic.
#16
Which of the following is a characteristic of cloud computing?
On-demand access to computing resources via the internet
#17
What is the purpose of a cache in computer systems?
To store frequently accessed data for quick retrieval
ExplanationTemporary storage used to speed up data access by storing commonly accessed information.
#18
Which technology is used for wireless communication between devices in close proximity?
Bluetooth
ExplanationShort-range wireless technology for exchanging data between devices.
#19
What is the purpose of a VPN (Virtual Private Network)?
To ensure secure and private internet connection
ExplanationEstablishing secure connections over public networks to ensure privacy and data integrity.
#20
Which technology is used for long-distance communication through cables?
Fiber optics
ExplanationTransmission of data using optical fibers capable of carrying signals over long distances.
#21
Which programming language is commonly used for building web applications?
JavaScript
ExplanationPopular scripting language used for client-side web development.
#22
What is the main purpose of a VPN (Virtual Private Network)?
Ensuring secure and private internet connection
ExplanationEstablishing encrypted connections over a public network to enhance privacy.
#23
What is the primary function of a DNS (Domain Name System)?
Converting domain names to IP addresses
ExplanationTranslation of human-readable domain names into numerical IP addresses.
#24
What is the primary function of a search engine?
To retrieve information from the internet based on user queries
ExplanationIndexing and searching for relevant information on the World Wide Web.
#25
What is the primary purpose of HTML (Hypertext Markup Language)?
To create web page structure and content
ExplanationMarkup language used for creating structured documents for web pages.