second term
.........................
set-A
set B;
set C:-
third term(pre-board):-
-----------------------------
set-A
Attempt any three questions [3 ×10 = 30]
.........................
set-A
set B;
set C:-
Subject:-
computer science (morning-11, science)
Group-A (3x10=30)
Attempt any three (3).
1. What
is a programming language? Categorize and explain them in detail. 1+9
2. What
do you mean by computer architecture? Explain the functional components of a computer
system with block diagram?
3. Explain
all generations of computer. [10]
4. Define
a memory? Explain various types of memory used in a computer system? [1+9]
GROUP-B
(9x5=45)
Attempt any nine (9).
Q1)
what is super computer? Write its main features. [5]
Q2)
Explain types of computer on the basis of function (working principle). [5]
Q3)
What is a System BUS? Describe different types of BUS used in a computer
system? [1+4]
Q4)
What is a language translator? Differentiate between Interpreter and Compiler? [1+4]
Q5)
Why computer is known as versatile, diligent and accurate device. [5]
Q6)
What is mobile computing? Write its positive and negative sides. [5]
Q7) What is Hexadecimal number system? Convert as
given below. [1+4]
7.1) A123.1216=? 2
7.2) 32178=? 10
Q8)
what is binary number system? Do following calculation. [1+4]
8.1)
(1111-11) using 2’s complement method
8.2)
(1111+11)2*102
Q9)
What is universal gate? Derive basic gates using ‘NAND’ gate. [5]
Q10)
What is spreadsheet? Explain its features in detail. [1+4]
Q11)
Write short note (any two): [5]
a) Charles Babbage
b) MICR
c) Formatting in Ms-word
Set D:-
Subject:-
computer science (day-11, science)
Group-A (3x10=30)
Attempt any three (3).
1. What
do you mean by computer organization? Explain the functional components of a
computer system with block diagram? [1+9]
2.
Describe various application areas of a
computer? [10]
3. Explain
memory and cache memory? Differentiate between primary and secondary memory. [4+6]
4.
Define
Logic Gate? Explain different types of Gates (any four), with expression, truth
table and graphic symbol. [2+8]
GROUP-B
(9x5=45)
Attempt any nine (9).
Q1)
Explain about computer based on the basis of “Model”. [5]
Q2)
Differentiate between 5th Generation and 3rd Generation
Computing? [5]
Q3)
What is a System BUS? Describe different types of BUS used in a computer system? [1+4]
Q4)
What is program? Write features of good program? [1+4]
Q5)
Explain about ‘ROM’. [5]
Q6)
What is mobile computing? Write its positive and negative sides. [5]
Q7) What is denary number system? Convert as
given below. [1+4]
7.1) A123.1216=? 2
7.2) 32178=? 10
Q8)
what is binary number system? Do following calculation. [1+4]
8.1)
(1111-110) using 1’s complement method
8.2)
(1011+11)2*112
Q9)
Explain input devices in detail [5]
Or
Write an algorithm and draw flowchart to
check the number is negative, positive or neutral.
Q10)
What is Ms-word? Explain its features in detail. [1+4]
Q11)
Write short note (any two): [5]
a) Herman Hollerith
b) Program interpreter (translator)
c) Cell reference in Excel
Candidates are required to answer the
questions in their own words as far as practicable.
Group ‘A’ (Long answer questions)
Attempt any three questions: [3X10=30]
1.
Define AI.
Explain different application areas of computer. [1+9]
2.
Define
‘Microprocessor’. Explain different components of computer system along with
well labeled logical block diagram. [1+9]
3.
a. Differentiate
between OR and AND gate.
b. Define universal gate. Explain universal gates with
truth table, Boolean expression, graphical symbol and Venn diagram.
4.
Define programming
language. Explain different types of programming languages with merits and
demerits. [1+9]
Group ‘B’ (Short answer questions)
Attempt any nine questions: [9X5=45]
- Explain the technologies used in different
generations of computer. [5]
- Differentiate between digital and analog
computer. [5]
- Perform the following operations as indicated: [2.5+2.5]
- (514.23)10 = (?)8. b. (CAFÉ)16
= (?)8
- Perform the following operations as indicated: [2.5+2.5]
- (101011)2 - (110111)2 (using 1’s complement method)
- (2917)10 - (1234)10 (using
10’s complement method)
5. Define ‘bus’ in computer architecture. Explain its
type with block diagram.
6. Differentiate primary and secondary memory.
7. What is word processor? Explain the features of word
processor.
8. Explain ‘Conditional Formatting’ and ‘Data Validation
Rule’ in MS-Excel with examples. [5]
9.
Differentiate
between compiler and interpreter. [5]
- Write an algorithm and draw a flowchart to
calculate area and perimeter of a rectangle. [2.5+2.5]
- Write short notes on: (any two) [2.5+2.5] a. Cache Memory b. Mobile
Computing c. 4GL
set B:-
Subject:
- Computer Science
F.Marks:- 75
Class:
- XI Time: - 3 Hours P.Marks:- 30
Group- ‘A’
(Long Answer
Questions)
Attempt
any three questions [3 ×10 = 30]
(1) What is an
operating system? Explain the functions of operating system with suitable
examples.
(2) Define logic
gate. Explain any three logic gates with symbol, truth table and venn-diagram.
(3) What is programming
languages? Describe the types of programming languages with merits and
demerits.
(4) Define memory.
Explain the types of memory in details.
Group
- ‘B’
(Short
Answer Questions)
Attempt
any nine questions
(5)
State and verify De Morgan’s Theorem.
(6)
Why computer is known as versatile and
diligent device? [2.5+2.5]
(7)
State the characteristics of 4th
generation computers.
(8)
Differentiate between analog and digital
computer.
(9)
Subtract (12345)2 from (1000)2
using 9’s and 10’s complement method. [5]
(10) What is Binary
number system? Convert following.
I)
(B86)16 = (?)8
II)
(1001001)2= (?) 10.
(11) Differentiate between impact and non-impact
printer with suitable
examples.
(12) Explain
briefly the followings:
1.
Document formatting in word processing
package
2.
Cell referencing in spread sheet package
(13) What
is e-mail? Write down the uses of e-mail in detail.
(14) Define HTML tags. Explain types of HTML
tags with examples.
OR
Differentiate between logical and syntax
error with suitable examples. [5]
(15) Write short notes on following:
(a)
Keyboard (b) Scanner
set C;-
Trinity
International College
Dillibazar
Height, Kathmandu
PreBoard
Examination, 2070
Science
Subject:
- Computer Science F.Marks:-
75
Class:
- XI Time: - 3 Hours P.Marks:- 30
Group-
‘A’
(Long Answer
Questions)
Attempt
any three questions [ 3 ×10 = 30]
(1) What is an
operating system? Explain the functions of operating system in detail. [2 + 8]
(2) Define truth
table and venn diagram. Explain any three logic gates with symbol, truth table
and venn-diagram. [1 + 9]
(3) Define programming
language. Explain the types of programming languages with merits and demerits. [2 + 8]
(4) What are the
main types of memory in a computer and explain how do they differ from one
another? [10]
Group - ‘B’
(Short
Answer Questions)
Attempt
any nine questions [9 ×5
= 45]
(5)
Differentiate between the terms
hardware, software and firmware. [5]
(6)
Why computer is known as versatile and
diligent device? [2.5+2.5]
(7)
What is interface? Describe the
difference between serial and parallel ports with clear diagram. [1+4]
(8)
What is micro computer? Explain its categories
in detail. [1+4]
(9)
Subtract (12345)10 from
(1101)10 using 9’s and 10’s complement method. [5]
(10) Define output
device. Differentiate between impact and non-impact printers with examples. [1+4]
(11) Why GUI is more popular than text
based OS? [5]
(12) Explain
briefly the followings: [2.5+2.5]
(a)
Document formatting in word processing package.
(b)
Cell referencing in spread sheet package.
(13)
What is Protocol? Discuss types of Protocol with examples. [1+4]
(14)
Define CSS. Explain different ways to embed CSS in your HTML.
[1+4]
OR
Differentiate between algorithm and flowchart
with suitable examples.[5]
(15) Write short notes on following: [2.5+2.5]
(a)
LCD monitor (b) CRT monitor
working mechanism
set D:-
Trinity
International College
Dillibazar
Height, Kathmandu
PreBoard
Examination, 2070
Science “Day”
Subject:
- Computer Science F.Marks:-
75
Class:
- XI Time: - 3 Hours P.Marks:- 30 Group-
‘A’
(Long Answer
Questions)
Attempt
any three questions [ 3 ×10 = 30]
(1) What is an
operating system? Explain the functions of operating system in detail. [2 + 8]
(2) Define truth
table and venn diagram. Explain X-OR, X-NOR and NOR gates with symbol, truth
table and venn-diagram. [1 + 9]
(3) Define language
translator. Explain the different types of language translators used in
computer programming languages. [1 + 9]
(4) Show with
reference to a block diagram, the structure of a digital computer system and the
interconnection of various units. Explain the functions of various units
briefly. [10]
Group - ‘B’
(Short
Answer Questions)
Attempt
any nine questions [9 ×5
= 45]
(5)
Differentiate between the terms
hardware, software and firmware. [5]
(6)
Explain the different generation of
computers.
[5]
(7)
What is interface? Describe the
difference between serial and parallel ports with clear diagram. [1+4]
(8)
What is mobile computing? Explain the
importance of mobile computing in communication. [1+4]
(9)
Subtract (100001)10 from
(1101)10 using 9’s and 10’s complement method. [5]
(10) Define output
device. Distinguish between CRT and LCD monitor.
[1+4]
(11) Why GUI is more popular than text
based OS? [5]
(12) Explain
briefly the followings: [2.5+2.5]
(a)
Mail merge in word processing package.
(b)
Cell referencing in spread sheet package.
(13)
What is e-mail? Write down the advantages and disadvantages of
e-mail. [1+4]
(14) Define CSS. Explain different ways to
embed CSS in your HTML.
[1+4]
OR
Differentiate between high level language and low level language with
suitable examples. [5]
(15)
Write short notes on following: [2.5+2.5]
(a)
Hard copy and soft copy output (b) Bus
and its types
set C:-
Trinity
International College
Dillibazar
Height, Kathmandu
PreBoard
Examination, 2070
Management
Subject:
- Computer Science
F.Marks:- 75
Class:
- XI Time: - 3 Hours P.Marks:- 30 Group- ‘A’
(Long Answer Questions)
Attempt
any three questions [ 3 ×10 = 30]
(1) What is an
operating system? Explain the functions of operating system in detail. [2 + 8]
(2) Define logic
gate. Explain basic logic gates with symbol, truth table and venn-diagram. [1 + 9]
(3) What is programming?
Differentiate between compiler and interpreter.
[2 + 8]
(4) Draw block
diagram and explain the main components of a computer system. [10]
Group
- ‘B’
(Short
Answer Questions)
Attempt
any nine questions [9 ×5
= 45]
(5)
State and verify distributive laws. [5]
(6)
Why computer is known as versatile and
diligent device? [2.5+2.5]
(7)
Discuss the generation of computers.
[5]
(8)
Differentiate between super computer and
micro computer. [5]
(9)
Subtract (110001)2 from
(1101)2 using 1’s and 2’s complement method. [5]
(10) What is
hexadecimal number system? Convert following. [1 + 4]
I)
(B86)16 = (?)8
II)
(1001001)2= (?) 10.
(11) Differentiate between RAM and ROM. [5]
(12) Explain
the following terms in Ms-Word. [5]
1.
Mail merge
2.
Document formatting
3.
Cut Paste
(13) What
is Internet? Write down the uses of Internet in detail. [1+4]
(14) Define HTML. Write Basic structure of
HTML with example. [1+4]
OR
Differentiate between flowcharts and
algorithms with suitable examples. [5]
(15) Write short notes on following: [2.5+2.5]
(a)
MICR (b) Joystick
set D:-
Trinity
International College
Dillibazar
Height, Kathmandu
PreBoard
Examination, 2070
Management “Day”
Subject:
- Computer Science F.Marks:- 75
Class:
- XI Time: - 3 Hours P.Marks:-30
Group- ‘A’
Group- ‘A’
(Long Answer Questions)
Attempt any three questions [3 ×10 = 30]
(1) What is an
operating system? Explain the different types of operating system with suitable
examples. [2 + 8]
(2) Define logic
gate. Explain NOR, X-OR and X-NOR logic gates with symbol, truth table and venn-diagram. [1 + 9]
(3) What is programming
languages? Describe the types of programming languages with merits and
demerits. [2 + 8]
(4) Define memory.
Explain the types of memory in details. [2 + 8]
Group
- ‘B’
(Short
Answer Questions)
Attempt
any nine questions
[9 × 5 = 45]
(5)
State and verify De Morgan’s Theorem. [5]
(6)
Why computer is known as versatile and diligent
device? [2.5+2.5]
(7)
State the characteristics of 4th
generation computers. [5]
(8)
Differentiate between analog and digital
computer. [5]
(9)
Subtract (12345)2 from (1000)2
using 9’s and 10’s complement method. [5]
(10) What is Binary
number system? Convert following. [1 + 4]
I)
(B86)16 = (?)8
II)
(1001001)2= (?) 10.
(11) Differentiate between impact and non-impact
printer with suitable
examples. [5]
(12) Explain
the following terms in Power Point: [5]
1.
Presentation
2.
Slide
3.
Animation
(13) What
is e-mail? Write down the uses of e-mail in detail. [1+4]
(14) Define HTML tags. Explain types of HTML
tags with examples. [1+4]
OR
Differentiate between logical and syntax
error with suitable examples. [5]
(15) Write short notes on following: [2.5+2.5]
(a)
BCR (b) Scanner