CBSE COMPUTER SCIENCE
Open in Telegram
QUESTION BANK, REFERENCE BOOK, LAB MANUAL , WORKSHEET ETC., PYTHON TEXT BOOK AND REFERENCE BOOKS, 01. ASK QUESTIONS AT https://t.me/joinchat/FJ1noGs-64I0OWI1
Show more549
Subscribers
No data24 hours
No data7 days
No data30 days
Data loading in progress...
Similar Channels
Tags Cloud
No data
Any problems? Please refresh the page or contact our support manager.
Incoming and Outgoing Mentions
---
---
---
---
---
---
Attracting Subscribers
August '24
August '24
+11
in 0 channels
July '24
+11
in 0 channels
Get PRO
June '24
+21
in 0 channels
Get PRO
May '24
+17
in 0 channels
Get PRO
April '24
+22
in 0 channels
Get PRO
March '24
+36
in 0 channels
Get PRO
February '24
+13
in 0 channels
Get PRO
January '24
+9
in 0 channels
Get PRO
December '23
+10
in 0 channels
Get PRO
November '23
+2
in 0 channels
Get PRO
October '23
+3
in 0 channels
Get PRO
September '23
+6
in 0 channels
Get PRO
August '23
+17
in 0 channels
Get PRO
July '23
+24
in 0 channels
Get PRO
June '23
+10
in 0 channels
Get PRO
May '23
+6
in 0 channels
Get PRO
April '23
+4
in 0 channels
Get PRO
March '23
+10
in 0 channels
Get PRO
February '23
+9
in 0 channels
Get PRO
January '23
+13
in 0 channels
Get PRO
December '22
+10
in 0 channels
Get PRO
November '22
+20
in 0 channels
Get PRO
October '22
+6
in 0 channels
Get PRO
September '22
+8
in 0 channels
Get PRO
August '22
+13
in 0 channels
Get PRO
July '22
+25
in 0 channels
Get PRO
June '22
+40
in 0 channels
Get PRO
May '22
+28
in 0 channels
Get PRO
April '22
+22
in 0 channels
Get PRO
March '22
+35
in 0 channels
Get PRO
February '22
+27
in 0 channels
Get PRO
January '22
+24
in 0 channels
Get PRO
December '21
+55
in 0 channels
Get PRO
November '21
+88
in 0 channels
Get PRO
October '21
+59
in 0 channels
Get PRO
September '21
+30
in 0 channels
Get PRO
August '21
+47
in 0 channels
Get PRO
July '21
+12
in 0 channels
Get PRO
June '21
+10
in 0 channels
Get PRO
May '21
+238
in 0 channels
| Date | Subscriber Growth | Mentions | Channels | |
| 06 August | +1 | |||
| 05 August | 0 | |||
| 04 August | +2 | |||
| 03 August | 0 | |||
| 02 August | +8 | |||
| 01 August | 0 |
Channel Posts
| 2 | +9 12-CS-BOARD-SET-2-QP.pdf | 309 |
| 3 | +9 12-CS-SAMPLE PAPER-QA.pdf | 264 |
| 4 | -11%4, mean 4*3-11 where as 11%-4 mean -4*3+11 | 242 |
| 5 | CS
Python Basics 1 : https://forms.gle/M6dDNphiHh4bRgxs8
Python Basics 2 : https://forms.gle/dUxG6ZHHXYknNLxS6
Python Basics 3 : https://forms.gle/jo5emGGiMy6Pwhft8
Python Basics 4 : https://forms.gle/APYRruoMjMszWr1Q6
Functions 1 : https://forms.gle/xoV6fstREXndY3CG8
Functions 2 : https://forms.gle/FFcMpV2ERrCNenK46
List : https://forms.gle/KdV4iz8Y765Z27Fc7
String : https://forms.gle/Te8nzz3iPcTHppji6
Tuple : https://forms.gle/iGd6KudqwmZSRzWi6
Dictionary : https://forms.gle/uUqc8vZdrc6FzgSG8
Data Structure 1 : https://forms.gle/BLob2Y7hxqKBszk28
Data Structure 2 : https://forms.gle/SSe8pJhpVberpZ7A9
Computer Networks 1 : https://forms.gle/PBYLuAKzRmZ7r9Rw7
Computer Networks 2 : https://forms.gle/nRWNqGaW6xFRMHiB6
Computer Networks 3 : https://forms.gle/gXHErV2oXfscFycq7
Binary File : https://forms.gle/yVaV2GhSEwKvu4w88
PT2 : https://forms.gle/uisopa6KWnHBuCAXA
Sample QP : https://forms.gle/TQLs5f7BNGP5hXi86
Online Class : https://forms.gle/AtYV6o2pmCJFE2Wr9 | 248 |
| 6 |  No text... | 202 |
| 7 | +1 Worksheet - List.pdf | 216 |
| 8 | No text... | 217 |
| 9 | +9 0swaal_CBSE_Computer_Science_QB_Chapterwise_Solved_Papers_2024.pdf | 257 |
| 10 | import pickle
def writedata( ):
list =[ ]
while True:
roll = input("Enter student Roll No:")
sname = input("Enter student Name :")
student = {"roll":roll,"name":sname}
list.append(student)
choice= input("Want to add more record(y/n) :")
if(choice=='n'):
break
file = open("student.dat","wb")
pickle.dump(list,file) #list of dictionary dumped only once in file as now dictionary is appended inside the list
file.close( )
def readdata( ):
file = open("student.dat", "rb")
list1 = pickle.load(file)
print(list1)
for i in list1:
print(i['roll'],i['name'])
file.close()
def search():
file = open("student.dat", "rb")
list1 = pickle.load(file)
pname=input("enter the name to be searched:")
for i in list1:
if (i['name']==pname):
print("record found!")
print("rollno=",i['roll'],"name=",i['name'])
break
else:
print("not found!")
print("Press-1 to write data and Press-2 to read data Press 3 to search record ")
choice=int(input( "enter choice:"))
if choice==1:
writedata()
elif choice==2:
readdata()
elif choice==3:
search()
else:
print("You entered invalid value") | 189 |
| 11 | #Write a program to insert, display and search a number in a binary file. If number is not found then display appropriate message.
#single list program
import pickle
def write():
f=open("sample.dat",'wb')
rec=[3,5,7,2,6,7,1] #pre-defined list
#user input code below
'''
while True:
x=int(input("enter value:"))
rec.append(x)
ch=input("enter more?:")
if(ch=='n'):
break
'''
pickle.dump(rec,f) # entire list written to file once
print("added")
f.close()
def read():
print("reading...")
f=open("sample.dat",'rb')
p=pickle.load(f)
print(p)
f.close()
def search():
print("searching....")
f=open("sample.dat",'rb')
found=0
x=int(input("enter the number you want to search:"))
rec=pickle.load(f)
print(rec)
for R in rec:
if x==R:
found=1
print("record found")
break
if(found==0):
print("record not found")
f.close()
print("*"*20,"MENU","*"*20)
print("1.write\n2.read\n3.search")
choice=int(input("enter your choice:"))
if(choice==1):
write()
elif choice==2:
read()
elif choice==3:
search()
else:
print("invalid input")
-------------------------------------------------------------------------------
#Write a program to search a record using its roll number and display the name of student. If record not found then display appropriate message.
#nested list
import pickle
def write():
f=open("sample.dat",'wb')
rec=[[1,'sakshi',45],[2,'kiara',66],[3,'inaya',47],[4,'anjali',76]] #pre-set list
pickle.dump(rec,f)
print("added")
f.close()
def read():
print("reading...")
f=open("sample.dat",'rb')
p=pickle.load(f)
#print(p) # will print the nested list
#display element by element
print("rno name marks")
for i in p:
print(" ",i[0],i[1]," ",i[2])
f.close()
def search():
print("searching....")
f=open("sample.dat",'rb')
found=0
x=int(input("enter the rno you want to search:"))
rec=pickle.load(f)
#print(rec) #... will print nested list
for i in rec:
if x==i[0]:
found=1
print("record found")
print("name=",i[1],"marks=",i[2])
break
if(found==0): print("record not found")
f.close()
print("*"*20,"MENU","*"*20)
print("1.write\n2.read\n3.search")
choice=int(input("enter your choice:"))
if(choice==1):
write()
elif choice==2:
read()
elif choice==3:
search()
else:
print("invalid input")
----------------------------------------------------------------------------------------------------
#Write a program to write and display the contents of a dictionary into a binary file.
#only dictionary but multiple records
import pickle
def write():
f=open("maps.dat","ab")
ch="y"
while ch == "y":
r=int(input("input enter rno "))
s=input("enter name ")
m=int(input("input enter marks "))
d={"rno":r,"name":s,"MARKS":m}
pickle.dump(d,f) # only 1 record dumped in file.loop repeats, next dumped.
# dictionaries dont have append() function, so each record needs to be written separately #using loop
ch=input("want to enter more rec ")
f.close()
def read():
f=open("maps.dat","rb")
d={}
try:
while True: # as long as there is data in the file
d=pickle.load(f)
print(d['rno'],':',d['name'])
#print(d)
except EOFError:
f.close()
write()
read()
-------------------------------------------------------------------
#WAP to read,write and seach a record in a binary file using list of dictionaries.
#binary file - list of dictionary | 190 |
| 12 | t1="Ind-23"
t2=""
i=1
while i<len(t1):
if t1[i]>="0" and t1[i]<="9": #50>=48 and 50<=57 51>=48 and 51<=57
val=int(t1[i])
val=val+2
t2=t1+str(val)
#print(t1,val,t2)
elif t1[i]>"A" and t1[i]<="Z":
t2=t2+(t1(i+1))
else:
t2=t2+"*"
i+=1
print(t2)
#A=65 a=97 0=48 | 243 |
| 13 | +1 12-IP-CS-COMPUTER NETWORK REVISIONS-23-24-QP-ANSKEY.pdf | 278 |
| 14 | 12-IP-CS-MYSQL-TABLES REVISIONS-23-24-ANSKEY.pdf | 275 |
| 15 | 12-IP-CS-MYSQL-TABLES REVISIONS-23-24-QP.pdf | 275 |
| 16 | 12-CS-CHAPTERWISE MCQ.pdf | 309 |
| 17 | 12CS-REVISION MCQ-2324.pdf | 436 |
| 18 | 12 CS -IP - PYTHON INTERFACE WITH MYSQL.pdf | 387 |
| 19 | import mysql.connector as mcr
cn=mcr.connect(host='localhost',user='root',passwd='Admin')
cr=cn.cursor()
#Create and Use Database
cr.execute('create database if not exists TEST')
cr.execute('use TEST')
#Create Table
cr.execute('create table if not exists member(M_ID char(5),Name Varchar(30),Activity varchar(10))')
#Inserting Records
qry="insert into member values('M1001','Amina','Gym'),('M1002','Pratik','Gym')\
,('M1003','Simon','Swimming'),('M1004','Rakesh','Gym'),('M1005','Avneet','Swimming')"
cr.execute(qry)
cr.execute('Select * from member where activity="Gym"')
R=cr.fetchone()
#print(R)
for i in range(2):
R=cr.fetchone()
print(R[0],R[1],sep='#')
'''
M1002#Pratik
M1004#Rakesh
''' | 383 |
| 20 | CS
Python Basics 1 : https://forms.gle/M6dDNphiHh4bRgxs8
Python Basics 2 : https://forms.gle/dUxG6ZHHXYknNLxS6
Python Basics 3 : https://forms.gle/jo5emGGiMy6Pwhft8
Python Basics 4 : https://forms.gle/APYRruoMjMszWr1Q6
Functions 1 : https://forms.gle/xoV6fstREXndY3CG8
Functions 2 : https://forms.gle/FFcMpV2ERrCNenK46
List : https://forms.gle/KdV4iz8Y765Z27Fc7
String : https://forms.gle/Te8nzz3iPcTHppji6
Tuple : https://forms.gle/iGd6KudqwmZSRzWi6
Dictionary : https://forms.gle/uUqc8vZdrc6FzgSG8
Data Structure 1 : https://forms.gle/BLob2Y7hxqKBszk28
Data Structure 2 : https://forms.gle/SSe8pJhpVberpZ7A9
Computer Networks 1 : https://forms.gle/PBYLuAKzRmZ7r9Rw7
Computer Networks 2 : https://forms.gle/nRWNqGaW6xFRMHiB6
Computer Networks 3 : https://forms.gle/gXHErV2oXfscFycq7
Binary File : https://forms.gle/yVaV2GhSEwKvu4w88
PT2 : https://forms.gle/uisopa6KWnHBuCAXA
Sample QP : https://forms.gle/TQLs5f7BNGP5hXi86
Online Class : https://forms.gle/AtYV6o2pmCJFE2Wr9 | 428 |
