NEB Students
Computer Science

NEB — CLASS 11

Computer Science

Model Question

Answer each question in your own words as far as practicable. The figures in the margin indicate full marks.

सबै प्रश्नको उत्तर दिनुहोस् । (Attempt All Questions)

Time : 3 hrsPass Marks : 20Full Marks : 50
1.

Which one of the following is an input device?

a. speaker

b. printer

c. monitor

d. mouse

[1]
2.

Which of the following is NOT a bus type?

a. Address bus

b. Data bus

c. Memory bus

d. Control bus

[1]
3.

How to represent Boolean F(x,y)=x.y in logic gate?

[1]
4.

Which scheduling algorithm allocates the CPU first to the process that requests the CPU first?

a. first-come, first-served scheduling

b. priority scheduling

c. shortest job scheduling

d. Round robin scheduling

[1]
5.

Which operator is used to start / enter the formula in an Excel cell?

a. $

b. @

c. =

d. +

[1]
6.

Which looping process checks the test condition at the end of the loop?

a. for

b. while

c. do-while

d. Nested loop

[1]
7.

How to insert an image in web page using HTML tag?

a. <img=...>

b. <img source=...>

c. <img src=...>

d. <img href=...>

[1]
8.

Which image format is best used for photographs and offers a small file size?

a. PNG

b. GIF

c. BMP

d. JPEG

[1]
9.

Which of the following monitors user activity on internet and transmits that information in the background to someone else?

a. Malware

b. Spyware

c. Adware

d. Virus

[1]
10.

Explain different types of secondary memory of computer system.

[5]
11.
Describe the decimal to binary number conversion process with example.

[5]
12.

What are the functions of operating system? Describe.

[5]
13.

Define different types of CSS.

[5]
14.
Explain the different components of multimedia.

[5]
15.

Differentiate between the do and while loop.

[5]
16.

Suggest the prevention methods of cybercrime.

[5]
17.

Explain computer architecture with block diagram and functions of its components.

[8]
18.
Write a program to input the elements of 4 x 3 matrix and print its elements properly using array.

[8]
19.

Draw AND, OR, XOR and XNOR gates with truth table and logic gates.

[8]