Q1. Which memory is used to store frequently executed instructions to speed up processing?
A. RAM
B. ROM
C. Cache Memory
D. Hard Disk
Answer: C. Cache Memory
Q2. Which of the following is not a valid IP address?
A. 192.168.1.1
B. 256.100.50.1
C. 10.0.0.1
D. 172.16.0.1
Answer: B. 256.100.50.1
(IP octet range is 0–255)
Q3. In MS Word, which feature automatically corrects spelling mistakes while typing?
A. Mail Merge
B. AutoCorrect
C. Track Changes
D. Find & Replace
Answer: B. AutoCorrect
Q4. Which scheduling algorithm may cause starvation?
A. Round Robin
B. FCFS
C. Priority Scheduling
D. FIFO
Answer: C. Priority Scheduling
Q5. What is the binary equivalent of hexadecimal number F?
A. 1010
B. 1100
C. 1111
D. 1001
Answer: C. 1111
Q6. Which device works as an interface between a local network and the Internet?
A. Hub
B. Router
C. Repeater
D. Bridge
Answer: B. Router
Q7. Which type of software is antivirus?
A. System Software
B. Utility Software
C. Application Software
D. Firmware
Answer: B. Utility Software
Q8. Which SQL clause is used to limit the number of records returned?
A. LIMIT
B. WHERE
C. HAVING
D. ORDER
Answer: A. LIMIT
(Commonly used in MySQL)
Q9. Which layer of OSI model establishes, manages, and terminates sessions?
A. Transport Layer
B. Session Layer
C. Application Layer
D. Presentation Layer
Answer: B. Session Layer
Q10. Which of the following is an example of open-source operating system?
A. Windows
B. macOS
C. Ubuntu
D. iOS
Answer: C. Ubuntu
Q11. Which device is used to connect two similar networks?
A. Gateway
B. Router
C. Bridge
D. Modem
Answer: C. Bridge
Q12. What is the full form of GUI?
A. Graphical User Interface
B. General User Integration
C. Global Utility Interface
D. Graphic Universal Interface
Answer: A. Graphical User Interface
Q13. Which unit is smaller than a byte?
A. Nibble
B. Bit
C. Kilobyte
D. Word
Answer: B. Bit
Q14. Which attack involves intercepting communication between two parties?
A. Phishing
B. Man-in-the-Middle
C. Trojan
D. Worm
Answer: B. Man-in-the-Middle
Q15. In Excel, which function is used to combine text from different cells?
A. CONCAT
B. SUM
C. IF
D. COUNT
Answer: A. CONCAT
Q16. Which protocol is used to synchronize time over a network?
A. FTP
B. HTTP
C. NTP
D. SMTP
Answer: C. NTP
Q17. Which of the following is a volatile storage device?
A. SSD
B. RAM
C. Hard Disk
D. DVD
Answer: B. RAM
Q18. Which part of CPU performs logical operations?
A. CU
B. ALU
C. Register
D. Cache
Answer: B. ALU
Q19. Which topology is easiest to install and least expensive?
A. Mesh
B. Ring
C. Bus
D. Hybrid
Answer: C. Bus
Q20. Which SQL statement is used to add a new record into a table?
A. INSERT
B. UPDATE
C. ADD
D. CREATE
Answer: A. INSERT