Sub. Code: 4271
Candidates are requested to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
Subject: Computer Science
Grade: XI Full Marks: 50
Time: 2 hrs
Grade: XI Full Marks: 50
Time: 2 hrs
Group 'A'
(Multiple Choice Questions)
Tick the best answer. [9×1=9]
(Multiple Choice Questions)
- Which one of the following is an input device?
- speaker
- printer
- monitor
- mouse
- Which of the following is NOT a bus type?
- Address bus
- Data bus
- Memory Bus
- Control Bus
- How to represent Boolean F(x,y)=x.y in logic gate. Correct ans : a
- Which scheduling algorithm allocates the CPU first to the process that requests the CPU first?
- first-come, first-served scheduling
- priority scheduling
- shortest job scheduling
- Round robin scheduling
- Which operator is used to start for enter the formula in in Excel cell?
- $
- @
- =
- +
- Which looping process checks the test condition at the end of the loop?
- for Loop
- while Loop
- do-while Loop
- Nested Loop
- How to insert an image in web page using HTML tag?
- <img=...>
- <img source=...>
- <img src=...>
- <img href=...>
- Which image format is best used for photographs and offers a small file size?
- PNG
- GIF
- BMP
- JPEG
- Which of following monitors user activity on internet and transmit that information in the background to someone else?
- Malware
- Spyware
- Adware
- Virus
- Explain different types of secondary memory of computer system.
OR Describe the decimal to binary number conversion process with example. - What are the functions of operating system? Describe.
- Define different types of CSS.
OR Explain the different components of multimedia. - Differentiate between the do and while loop.
- Suggest the prevention methods of cybercrime.
- Explain computer architecture with block diagram and functions of its
components.
OR Write a program to input the elements of 4 x 3 matrix and prints its elements properly using array. - Draw AND, OR, XOR and XNOR gates with truth table and logic gates.
Group 'B'
Give short answer to the following questions. [5×5=25]
Group 'C'
Give long answer to the following questions. [2×8=16]