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Generate QuizTechnology – Medium Level – GK Questions
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Which technology enables physical objects to connect and exchange data over the internet?
- AI
- IoT
- VR
- AR
Answer: IoT
IoT (Internet of Things) refers to network of physical devices embedded with sensors, software, and connectivity to collect and exchange data. Applications include smart homes, industrial automation, healthcare monitoring, and smart cities.
The unique address assigned to each device on a network for identification is called ________ Address.
- QR
- TDMA
- IP
- ROM
Answer: IP
IP (Internet Protocol) Address is a numerical label assigned to each device connected to a network. IPv4 uses 32-bit addresses (e.g., 192.168.1.1), while IPv6 uses 128-bit addresses to accommodate the growing number of internet-connected devices.
Which data structure follows Last-In-First-Out (LIFO) principle?
- Queue
- Array
- Stack
- Linked List
Answer: Stack
Stack is a linear data structure that follows LIFO principle - the last element added is the first to be removed. Operations include push (add) and pop (remove). Used in function call management, expression evaluation, and undo mechanisms.
Using the same password for multiple accounts is a recommended security practice.
- True
- False
Answer: False
Using the same password across multiple accounts is highly risky. If one account is breached, attackers can access all accounts with the same credentials. Best practice: use unique, strong passwords for each account and enable two-factor authentication.
The Indian regional navigation satellite system is called ________.
- GIGW
- NavIC
- e-NAM
- FAME
Answer: NavIC
NavIC (Navigation with Indian Constellation), formerly IRNSS, is India's independent regional satellite navigation system providing accurate position information over India and 1500 km around. It consists of 7 satellites and is an alternative to GPS.
Which generation of mobile technology first introduced packet-switched data transmission?
- 1G
- 2G
- 3G
- 4G
Answer: 2G
2G (specifically GPRS/EDGE enhancements) introduced packet-switched data transmission, enabling always-on internet access and efficient data usage. 1G was analog voice only; 3G improved data speeds; 4G introduced all-IP architecture with higher bandwidth.
What does 'HTTPS' in a website URL indicate?
- High-speed Transfer Protocol
- Hyper Text Transfer Protocol Secure
- Hosted Transfer Protocol System
- Hardware Tested Protocol Standard
Answer: Hyper Text Transfer Protocol Secure
HTTPS indicates that communication between browser and website is encrypted using SSL/TLS protocols. This protects data from eavesdropping and tampering. Users should look for the padlock icon and 'https://' when entering sensitive information online.
The digital platform that allows citizens to store driving license, vehicle registration, and other documents electronically is called ________.
- Modernisation Programme / DILRMP
- Forest / REDD+
- DigiLocker
- Frequency
Answer: DigiLocker
DigiLocker is a cloud-based platform under Digital India that enables citizens to store, share, and verify important documents digitally. Documents issued by registered authorities through DigiLocker have legal validity under the Information Technology Act, 2000.
Wi-Fi and Internet are the same thing.
- True
- False
Answer: False
Wi-Fi is a wireless technology that allows devices to connect to a local network without cables. Internet is the global network of networks. Wi-Fi provides local wireless access; you still need an ISP connection to access the internet via Wi-Fi.
In cloud computing, 'SaaS' stands for Storage as a Service.
- True
- False
Answer: False
SaaS stands for Software as a Service, where applications are hosted by a provider and made available to customers over the internet (e.g., Google Workspace, Microsoft 365). Storage as a Service is a different cloud model, while IaaS and PaaS are other main categories.
Which ISRO mission was India's first interplanetary mission to Mars?
- Chandrayaan-1
- Mangalyaan
- Aditya-L1
- GSAT-6A
Answer: Mangalyaan
Mangalyaan (Mars Orbiter Mission), launched in 2013, made India the first Asian nation and fourth space agency globally to reach Mars orbit. It was completed at a cost of just $74 million, making it one of the least expensive Mars missions.
A type of malware that encrypts victim's files and demands payment for decryption key is called ________.
- Account Aggregator
- Forum / Index
- Inclusive
- Ransomware
Answer: Ransomware
Ransomware is malicious software that encrypts files on victim's device and demands ransom (usually in cryptocurrency) for the decryption key. Prevention includes regular backups, updated antivirus, and avoiding suspicious email attachments.
5G technology operates only on high-frequency mmWave spectrum above 24 GHz.
- True
- False
Answer: False
5G operates across three spectrum bands: low-band (<1 GHz) for wide coverage, mid-band (1-6 GHz) for balanced speed/coverage, and high-band/mmWave (24-100 GHz) for ultra-high speeds in dense areas. India primarily uses mid-band for 5G rollout.
Which of the following is a symmetric encryption algorithm?
- RSA
- AES
- ECC
- Diffie-Hellman
Answer: AES
AES (Advanced Encryption Standard) is a symmetric algorithm using the same key for encryption and decryption. RSA, ECC, and Diffie-Hellman are asymmetric algorithms using public-private key pairs. AES is widely used for securing sensitive data.
Which protocol is used to convert domain names like 'google.com' into IP addresses?
- HTTP
- FTP
- DNS
- SMTP
Answer: DNS
DNS (Domain Name System) translates human-readable domain names into numerical IP addresses that computers use to identify each other on the network. Without DNS, users would need to remember IP addresses like 142.250.189.206.
UPI transactions can only be performed during banking hours (9 AM to 5 PM).
- True
- False
Answer: False
UPI (Unified Payments Interface) operates 24x7x365, including weekends and bank holidays. This round-the-clock availability is one of its key advantages over traditional NEFT/RTGS systems which have time restrictions.
The full form of 'OTP' commonly used in two-factor authentication is ________.
- Read Only Memory
- One Time Password
- Binary Digit
- Universal Serial Bus
Answer: One Time Password
OTP stands for One Time Password - a automatically generated numeric or alphanumeric string that authenticates a user for a single transaction or login session, enhancing security beyond static passwords.
UMANG app allows citizens to access only central government services and not state government services.
- True
- False
Answer: False
UMANG (Unified Mobile Application for New-age Governance) provides access to over 1,200+ services from both central AND state governments, including utilities, education, health, and travel services across India.