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CBSE Class 12 Pre Board 2024 : Computer Science : PreBoard-2024

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Infant vinoth
St.Anne's School, Cuddalore,  Cuddalore 
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Question Q.No Marks SECTION A 1 State True or False: CSV file is also known as delimited text file which can be opened in Notepad and Spreadsheet both. 1 2 Which SQL command is used to retrieve a list of all tables stored in a database? a. Get Tables; b. List Tables; c. Show Tables; d. Fetch All Tables; 1 3 Evaluate the following logical expression: True and not False or False or not True and False 1 4 ____________ function splits the given string based on delimiter and store the result in the form of list. a. partition() b. split() c. divide() d. clear() 1 5 In a table there can be more than one attribute which contains unique values. These columns are known as _______________ keys. 1 6 A device that amplifies a signal being transmitted on the network is known as: a. Modem b. Repeater c. Hub d. Switch 1 7 Write the output of the code given below: info = {"name": "Alice", "age": 25} info['age'] = 30 info['city'] = "Wonderland" print(info) Find the output of the following code: number = [1, 5, 7, 0, 4] print(number[2:3]) 1 8 a. [5] 9 b. [7] c. [7,0] 1 d. None of above Which of the following statement(s) would give an error during execution of the following code? lst = (10, 25, 30, 42, 56, 73) print(lst) # Statement 1 print(lst[2] * 2) # Statement 2 print(min(lst)) # Statement 3 lst[1] = 50 # Statement 4 a. Statement 1 b. Statement 2 c. Statement 3 1 d. Statement 4 10 The internet facility that facilitates remote login is: a. HTTP b. FTP c. TELNET d. LAN 1 11 Which of the following transmission media has the highest bandwidth? a. Co-axial cable b. Optical Fiber cable c. Twisted pair cable d. None of these What possible outputs(s) will be obtained when the following code is executed? import random 1 12 1

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