Computer Awareness — Practice Quiz (Set 5)By sushil / October 6, 2026 Computer Awareness — Practice Quiz (Set 5) 10 questions · 15 minute time limit Start Quiz You can take this quiz as a guest. Log in first if you want it saved to your progress history. In networking, what does the acronym u2018DNSu2019 stand for? Domain Name System Data Network Service Digital Node Server Direct Network Setup Which type of memory is volatile and loses its contents when power is turned off? RAM ROM Hard disk SSD What is the primary function of a firewall in computer networking? To monitor and control incoming/outgoing network traffic To increase internet speed To store large files To compress data Which of the following is an example of an operating system? Linux Microsoft Word MySQL Photoshop What does u2018HTTPu2019 stand for? HyperText Transfer Protocol High Transfer Text Protocol HyperText Transmission Process Host Transfer Text Procedure Which generation of computers introduced the use of microprocessors? Fourth generation First generation Second generation Third generation In computing, what is a u2018cacheu2019 used for? To temporarily store frequently accessed data for faster retrieval To permanently delete files To encrypt passwords To connect to the internet Which topology connects all devices to a single central hub or switch? Star topology Ring topology Bus topology Mesh topology What is the function of an IP address in a network? Uniquely identifies a device on a network Encrypts data during transfer Speeds up the processor Stores application software Which file extension typically represents a compressed archive file? .zip .exe .txt .docx Submit Quiz
