SOLVED COMPUTER
SCIENCE – JIRI 2080
Write short
answer of the given questions.
What is
Tele-Communication?
The transmission of data and
information from one place to another for the purpose of communication is known
as telecommunication.
Which software
is used to remove virus from Computer System?
Antivirus Software is used to remove virus from Computer
System
Write any two
examples of IOT.
Any two examples of IOT are: Smart Watch, Smart TV
Write two
features of Database Management System.
Any two features of Database Management System are:
a) It
reduces data redundancy which means duplication of data.
b) It
allows multiple users to access the same data simultaneously.
Define Module.
Module is a block of statement
that solves a particular problem.
What is keywords
in C Programming?
Keyword is a set of special words
which are already defined for some tasks.
Write
appropriate technical terms for the following.
A Company which Provides service of internet. ISP (Internet Service Provider)
The smallest unit to represent information on quantum
Computer. Qubit (Quantum Bit)
Write the full forms.
SMS - Short Message Service
WiFi – Wireless
Fidelity
Group
"B"
Write answer of
the given questions.
What is
Computer Topology? Write a types of Computer Network.
Network topology is the
inter-connected pattern of network components.
The types of computer network are:
LAN (Local Area Network)
MAN (Metropolitan Area Network)
WAN (Wide Area Network)
What is Digital
Footprint? Write any two importance of it.
A digital footprint is the trail of data and information left behind by
an individual's online activities which includes social media posts, website
visits, online purchases, and other digital engagements.
Any two importance of it are:
It serves as a reflection of our
identity, both personally and professionally.
Our digital footprint promotes
responsible online behavior: protect oour info, respect privacy, and think
critically about online content.
Define E-commerce with Example.
-Commerce refers to electronic transactions such as
buying, selling and exchanging of goods, services and information over computer
communication network such as the Internet. E.g. Amazon, Flipkart, eBay,
sastodeal, daraz etc.
What is firewall in Computer? Write two
major uses of IT policy.
A firewall is the network
security systems that monitors and controls the traffic flow between the
Internet and private network on the basis of a set of user-defined rules.
Any two major uses of IT policy
are:
IT policies offer clear guidelines for employees on how to
use technology in the organization, ensuring they understand what's expected of
them.
It sets rules to protect digital assets and data from cyber
threats, breaches, and unauthorized access.
Define Artificial intelligence. Write any
two areas where artificial intelligence is used.
AI is an emerging branch in computer science, which
interprets the means and method of making computers think like human beings.
Any any
two areas where artificial intelligence is used are:
·
Robotics – AI is used in robotics to control robots
and make them perform task autonomously.
·
Gaming - The AI machines can play strategic games
like chess, where the machine needs to think of a large number of possible
places.
What is Computerized database? Write any
two benefits of it.
A computerized database is an organized collection of
structured data stored electronically on a computer system. Any two benefits are:
It can store large volume of data.
We can search data very easily.
What is table in DBMS? Write method to
Construct table.
Tables are the primary building block of database
which stores and manages large volume of data into rows and column.
The method to
Construct table are
Design view
Datasheet view
Using wizard
What is Primary key? Write two advantages
of its .
A primary key is a field or combination of fields in
a table that uniquely identifies each record, and is used to establish
relationships between tables and enforce data integrity.
Any two advantages
of it are
It sets the relationship between
tables.
It reduces and controls
duplication of record in a table
Write any two difference between field name
and record.
Any two
difference between field name and record are:
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Record |
Field |
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A record is a row in a table
which contains information about single items in a database. |
A field is a column in a table
which contains information about a certain type for all records. |
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Record is complete set of
information. |
Field is a smallest unit of
information. |
Write output of the following program.
DECLARE
FUNCTION SUM( )
CLS
PRINT
SUM ( )
END
FUNCTION
SUM( )
FOR I=
2 to 20 STEP 2
LET
S=S+I
NEXT I
SUM = S
END
FUNCTION
Dry Run Table
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I= 2 to 20 STEP 2 |
LET S=S+I |
SUM = S |
PRINT SUM |
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2 to 20 Yes |
0+2=2 |
SUM=110 |
110 |
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4 to 20 yes |
2+4=6 |
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6 to 20 yes |
6+6=12 |
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8 to 20 yes |
12+8=20 |
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10 to 20 yes |
20+10=30 |
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12 to 20 yes |
30+12=42 |
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14 to 20 yes |
42 +14=56 |
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16 to 20 yes |
56+16=72 |
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18 to 20 yes |
72+18=90 |
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20 to 20 yes |
90+20=110 |
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22 to 20 no |
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The output of the program is
110
Rewrite
the given program after correcting the bugs.
DECLARE
SUB ser( )
CLS
EXCUTE
series
END
SUB ser( )
REM program to generate 10,10,20,30,50....upto 50th
terms.
A=10
Z=10
FOR tpr= 1 TO 50 STEP-10
DISPLAY A;Z;
A=A+Z
Z=A+Z
NEXT tpr
END series( )
Debugged
Program
DECLARE
SUB ser( )
CLS
CALL series
END
SUB ser( )
REM program to generate 10,10,20,30,50....upto 50th
terms.
A=10
Z=10
FOR tpr= 1 TO 25
PRINT A;Z;
A=A+Z
Z=A+Z
NEXT tpr
END SUB
Study the following
program and answer the given questions.
DECLARE FUNCTION COUNT(z$)
CLS
INPUT"ENTER A WORDS="; z$
END
FUNCTION COUNT(z$)
m=LEN(z$)
v$=UCASE$(z$)
FOR I = 1 TO m
v$=MID$(z$,I,1)
IF v$=
"A","E","I","O","U" THEN
g=g+1
END IF
NEXT I v
owel =g
END FUNCTION
What is the
name of the functions used in the above program.
The name of the functions used in the above program is
COUNT ( )
Write down the
missing statement in the main module to execute the program.
PRINT COUNT(z$) is missing statement in the main module
to execute the program
Group
"c"
Convert as
instructed.
a) (11)2+(111)2×(101)2= (x)2
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c)
(1000011)2 MOD
(11)2=(X)2
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Q=10110
R=1
c) (225)10 into Hexa
Decimal
to hex calculation steps
Divide
by the base 16 to get the digits from the remainders:
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Division |
Quotient |
Remainder (Digit) |
Digit # |
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(225)/16 |
14 |
1 |
0 |
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(14)/16 |
0 |
14 |
1 |
=
(E1)16
d) (A9C)16 into Octal
Convert each hex digit to 4 binary digits (see conversion
table below):
A9C
= A 9 C
= 1010 1001 1100
= 101010011100
Convert every 3 binary digits (from bit0) to octal digit
(see conversion table below):
101010011100
= 101 010 011 100
= 5 2 3 4
= 5234
(A9C)16 into (5234)8
Write a q basic
program asks length, breath and height of a room and calculates its volume and
perimeter. Create FUNCTION...........END FUNCTION to find the volume and SUB END
SUB to calculate perimeter.
DECLARE FUNCTION VOL(L,B,H)
DECLARE SUB PERI (L,B)
CLS
INPUT “Enter Length”; L
INPUT “Enter Breadth”; B
INPUT “Enter Height”; H
PRINT VOL(L,B,H)
CALL PERI(L,B)
END
FUNCTION VOL(L,B,H)
VOL=L*B*H
END FUNCTION
SUB PERI(L, B)
P=2*(L+B)
PRINT “Perimter of room=”; P
END SUB
A sequential
data file called "Marks.dat" contains Students name, address, Rollno,
English, Nepali and Computer fields, Write a program to display all the
contents of the data file.
OPEN “Marks.dat” FOR INPUT AS #1
CLS
WHILE NOT EOF(1)
INPUT #1, N$, A$, R, E, N, C
PRINT N$, A$, R, E, N, C
WEND
CLOSE #1
END
Write a program
in C language that asks two number and find sum of them.
|
Write a
program in C language to display 5,15,25,35,45......upto 25th terms of the
following series. )
#include <stdio.h>
int main() { int a=5,i;
for(i=1;i<=25;i++) { printf("%d ", a); a=a+10; } return 0; } |
#include <stdio.h>
int main() {
int a,b,s;
printf("Enter First Number: ");
scanf("%d",&a);
printf("Enter First Number: ");
scanf("%d",&b);
s=a+b;
printf("Sum of two numbers= %d", s);
return 0;
}
