Study the table below (called ‘teachers’), which shows a selection of teachers of various subjects in a school. teacher subject Miss Small Maths Mrs Smith Maths Mr Jones English Mr White English Miss Green Maths Mrs Hughes Art Mr Morgan Computer Science Write the SQL query to return the names of teachers who teach ‘Maths’.
Databases and SQL 1 Read More »
Study the code below and explain what it does, line by line. 001 newFile = open(“file.txt”) 002 newFile.writeLine(“revisecs.com”) 003 newFile.close()
Study the code below and explain what it does, line by line. 001 newFile = open(“file.txt”) 002 while NOT newFile.endOfFile() 003 print(newFile.readLine()) 004 endwhile 005 newFile.close()
The following modes of transport are stored in an array, with “transport” as the identifier: transport = [“car”, “bus”, “plane”, “boat”, “bicycle”] Complete the following output statement, so that the sentence it generates makes sense. print(“A ” + ______ + “travels through the air, whereas a” + ______ + “travels on water.”)
Study the following arrays. x_numbers = [2,5,3,1,3,2,4,5,2] y_numbers = [[2, 5, 3], [1, 3, 2], [4, 5, 2]] a) What type of array is x_numbers? b) How would the value of 4 be access in the array x_numbers? c) What type of array is y_numbers? d) How would the value of 4 be access in
Study the code below: 001 number1 = 3 002 number2 = 5 003 number3 = 7 004 if (number1 > number2) AND (number2 > number3): 005 print(number1, “is the bigger number”) The algorithm above has two different types of operator on line 004. State the names of each type of operator
Operations and String Methods 3 Read More »
Programming languages have many inbuilt string manipulation methods. State the output of the following algorithm and explain your answer fully. 001 name = “Elon Musk” 002 subName = name.subString(5, 4) 003 print(subName)
Operations and String Methods 2 Read More »
Explain the difference between the DIV and MOD operators, using the following calculations as examples: 1. 10 DIV 3 2. 10 MOD 3
Operations and String Methods 1 Read More »
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