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🖥️ Q.1) Which device is known as the "brain" of the computer?
A) RAM
B) CPU
C) Hard Disk
D) Monitor
🌐 Q.2) Which layer of the OSI model is responsible for data encryption?
A) Network Layer
B) Transport Layer
C) Presentation Layer
D) Application Layer
💾 Q.3) Which of the following is a volatile memory?
A) RAM
B) ROM
C) Hard Disk
D) CD-ROM
💻 Q.4) Who is known as the father of the World Wide Web (WWW)?
A) Tim Berners-Lee
B) Charles Babbage
C) Bill Gates
D) Steve Jobs
🔒 Q.5) Which type of malware replicates itself without user intervention?
A) Trojan
B) Worm
C) Spyware
D) Adware
🖥️ Q.6) Which output device is used for large-scale architectural drawings?
A) Printer
B) Projector
C) Plotter
D) Scanner
⌨️ Q.7) Which shortcut key is used to select all text in a document?
A) Ctrl + A
B) Ctrl + S
C) Ctrl + C
D) Ctrl + P
🌐 Q.8) Which of the following is a valid IP address format?
A) 192.168.500.1
B) 172.16.0.1
C) 10.0.0.999
D) 300.168.1.1
💾 Q.9) Which of the following storage has the fastest access time?
A) Hard Disk
B) CD-ROM
C) SSD
D) Cache Memory
💻 Q.10) Which programming language is mainly used for Artificial Intelligence?
A) C
B) Python
C) HTML
D) SQL
🖥️ Q.11) Which device is used to convert digital signals into analog for transmission?
A) Modem
B) Router
C) Switch
D) Hub
🌐 Q.12) Which device forwards data packets between computer networks?
A) Hub
B) Router
C) Switch
D) Bridge
💾 Q.13) Which storage device is commonly used for backups and has sequential access?
A) Hard Disk
B) SSD
C) DVD
D) Magnetic Tape
🔒 Q.14) Which of these is an example of two-factor authentication?
A) Password only
B) PIN only
C) Password + OTP
D) Username only
🖥️ Q.15) Which component connects the CPU to the main memory?
A) Cache
B) System Bus
C) Hard Disk
D) GPU
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