Q1. Which scheduling algorithm allocates CPU for a fixed time slice?
A. FCFS
B. SJF
C. Round Robin
D. Priority Scheduling
Answer: C. Round Robin
Q2. Which protocol is used to securely transfer files over the Internet?
A. FTP
B. SFTP
C. HTTP
D. ARP
Answer: B. SFTP
Q3. In MS Excel, which function is used to count non-empty cells?
A. COUNT
B. COUNTA
C. COUNTIF
D. SUM
Answer: B. COUNTA
Q4. Which OSI layer is responsible for logical addressing?
A. Data Link Layer
B. Network Layer
C. Transport Layer
D. Session Layer
Answer: B. Network Layer
Q5. What is the octal equivalent of decimal 8?
A. 7
B. 8
C. 10
D. 12
Answer: C. 10
Q6. Which type of malware demands payment to restore access?
A. Spyware
B. Adware
C. Ransomware
D. Worm
Answer: C. Ransomware
Q7. Which Windows utility is used to clean temporary files?
A. Task Manager
B. Disk Cleanup
C. Control Panel
D. Device Manager
Answer: B. Disk Cleanup
Q8. Which DBMS command is used to modify existing data?
A. INSERT
B. UPDATE
C. ALTER
D. CREATE
Answer: B. UPDATE
Q9. Which device forwards data packets based on IP address?
A. Hub
B. Switch
C. Router
D. Repeater
Answer: C. Router
Q10. Which of the following is an example of scripting language?
A. C
B. Java
C. Python
D. Assembly
Answer: C. Python
Q11. What is the full form of SMTP?
A. Simple Mail Transfer Protocol
B. Secure Mail Transfer Protocol
C. System Mail Transfer Process
D. Simple Message Transport Protocol
Answer: A. Simple Mail Transfer Protocol
Q12. Which memory is used to temporarily store data during processing?
A. ROM
B. Cache
C. RAM
D. Optical Disk
Answer: C. RAM
Q13. Which keyboard shortcut opens the Run dialog box?
A. Windows + R
B. Windows + E
C. Ctrl + R
D. Alt + R
Answer: A. Windows + R
Q14. Which topology has a central backbone cable?
A. Ring
B. Bus
C. Mesh
D. Star
Answer: B. Bus
Q15. Which SQL statement is used to remove specific records?
A. DROP
B. DELETE
C. TRUNCATE
D. REMOVE
Answer: B. DELETE
Q16. Which of the following is an example of volatile storage?
A. SSD
B. HDD
C. RAM
D. DVD
Answer: C. RAM
Q17. Which part of CPU stores intermediate results?
A. ALU
B. CU
C. Register
D. Cache
Answer: C. Register
Q18. Which protocol resolves IP address to MAC address?
A. DNS
B. ARP
C. DHCP
D. FTP
Answer: B. ARP
Q19. Which file extension is associated with executable files in Windows?
A. .txt
B. .doc
C. .exe
D. .xls
Answer: C. .exe
Q20. Which measuring unit represents 1 million bytes (approximately)?
A. Kilobyte
B. Megabyte
C. Gigabyte
D. Terabyte
Answer: B. Megabyte