What does list.pop(x) method do in Python?

removes and return element at index x

removes first occurrence of element x

only returns element at index x but does not remove it

What will be the output of the query? SELECT * FROM employees WHERE employee_name LIKE ‘%aa%’ ;

Details of all employees with two a’s together only in the name.

Details of all employees with two a’s only in the start of the name.

Details of all employees with two a’s only at the end of the name.

Details of all employees with two a’s anywhere in the name.

Assertion (A) : The order of Actual Arguments must conform with order of Formal Parameters in case of Positional Arguments Reasoning (R): Default Parameters should be written in rightmost side of function declaration and no non-Default parameter should follow it.

Both A and R are true and R is not the correct explanation for A

Both A and R are true and R is the correct explanation for A

Assertion (A) :In SELECT command of SQL order of WHERE and HAVING clause is interchangeable. Reasoning (R):WHERE clauseworks before aggregation of data and HAVING clause works after aggregation of data.

Both A and R are true and R is the correct explanation for A

Both A and R are true and R is not the correct explanation for A

def func(a, b, c=3, d=4): pass Identify the keyword and positional arguments in the function given above:

a and b are positional arguments; c and d are keyword arguments

a, b, c, and d are all positional arguments

a, b, c, and d are all keyword arguments

a, b, and c are positional arguments; d is a keyword argument

Assertion: Assertion: In Python, a function can return multiple values. Reason: Python functions can return tuples, which can be unpacked into multiple variables.

Both A and R are true and R is the correct explanation for A

Both A and R are true and R is not the correct explanation for A

Assertion: The FOREIGN KEY constraint is used to establish links between tables. Reason: A FOREIGN KEY in one table points to a FOREIGN KEY in another table.

Both A and R are true and R is the correct explanation for A

Both A and R are true and R is not the correct explanation for A

What is the output of following SQL statement? SELECT Department, COUNT(*) FROM employees WHERE Salary > 50000 GROUP BY Department;

The departments with employees earning over 50,000 and the count of such employees in each department

The total number of employees in each department

The departments with average salary over 50,000 and their total number of employees

The number of departments with employees earning over 50,000

Consider a table named 'Products' with columns 'product_id', 'product_name', and 'category'. Which of the following SQL queries will retrieve all products that are not in the categories 'Electronics' or 'Furniture'?

SELECT product_id, product_name FROM Products WHERE category NOT IN ('Electronics', 'Furniture');

SELECT product_id, product_name FROM Products WHERE category NOT IN 'Electronics', 'Furniture';

SELECT product_id, product_name FROM Products WHERE category != 'Electronics' AND != 'Furniture';

SELECT product_id, product_name FROM Products WHERE category NOT LIKE ('Electronics', 'Furniture');

Write a statement in Python to declare a dictionary whose keys are 5, 8, 10 and values are May, August and October respectively.

my_dict = {5: "May", 8: "August", 10: "October"}

my_dict = {"May": 5, "August": 8, "October": 10}

my_dict = {5: "May", 8: "August", 10: "October", 12: "December"}

my_dict = [5, 8, 10, "May", "August", "October"]

CS XII

Authored by Navneet Sadh

Computers

12th Grade

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60 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

State True or False: Exception is a compile time error.

True

False

Answer explanation

Explanation for the answer (optional)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the output of the following code snippet text = “Comma(,) is a punctuator” text = text.split(‘,’) print(text)

[ ‘Comma(,)’, ‘is’, ‘a’, ‘punctuator’ ]

[ ‘Comma(’, ‘) is a punctuator’ ]

[ ‘Comma(‘, ‘,’, ‘) is a punctuator’ ]

Error

Answer explanation

Jupiter is a gas giant made primarily of hydrogen and helium. Unlike terrestrial planets that have solid surfaces, gas giants like Jupiter don't have a well-defined solid surface, allowing them to accumulate more mass in a gaseous form. This composition has allowed Jupiter to grow significantly larger than planets with solid surfaces.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following expressions evaluates to True

False or not False and False

False and not False or False

True or not True and False

True and not True or not True

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output of the following code snippet? ‘CS’.join(‘IP’)

ICSP'

CIPS'

IPCIPSIP'

CSICSPCS'

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the output of the following code? msg = ‘Transcendental’ print(msg[ 10 : -10 : -2 ])

nde'

ndesaTltenc'

error

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement(s) will result in error? t1=(11,22,33) t2=(44,) #statement1 t2+=t1 #statement2 t4=t12+t22 #statement3 t4[0]=45 #statement4

statement 4

statement 2&4

statement 3&4

All

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement will result in error item={‘Cake’:20, ‘Pastry’:30, ‘Burger’:15}

item[‘Patties’]=30

item.update((‘Patties’,30))

item.update({‘Patties’:30})

item.setdefault(‘Patties’,30)

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CS XII

State True or False: Exception is a compile time error.

Explanation for the answer (optional)

Identify the output of the following code snippet text = “Comma(,) is a punctuator” text = text.split(‘,’) print(text)

Which of the following expressions evaluates to True

What is the output of the following code snippet? ‘CS’.join(‘IP’)

What will be the output of the following code? msg = ‘Transcendental’ print(msg[ 10 : -10 : -2 ])

Which statement(s) will result in error? t1=(11,22,33) t2=(44,) #statement1 t2+=t1 #statement2 t4=t12+t22 #statement3 t4[0]=45 #statement4

Which statement will result in error item={‘Cake’:20, ‘Pastry’:30, ‘Burger’:15}

What does list.pop(x) method do in Python?

If a table has 5 Candidate keys then it will have_ Primary keys and _Alternate keys

Write the missing statement to complete the following code: file = open(‘story.txt’, ‘r+’) data = file.read(5) ________# Move the file pointer to the end of the file file.write(‘End’) file.close()

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Computers

CS XII

State True or False: Exception is a compile time error.

Explanation for the answer (optional)

Identify the output of the following code snippet text = “Comma(,) is a punctuator” text = text.split(‘,’) print(text)

Which of the following expressions evaluates to True

What is the output of the following code snippet? ‘CS’.join(‘IP’)

What will be the output of the following code? msg = ‘Transcendental’ print(msg[ 10 : -10 : -2 ])

Which statement(s) will result in error? t1=(11,22,33) t2=(44,) #statement1 t2+=t1 #statement2 t4=t1*2+t2*2 #statement3 t4[0]=45 #statement4

Which statement will result in error item={‘Cake’:20, ‘Pastry’:30, ‘Burger’:15}

What does list.pop(x) method do in Python?

If a table has 5 Candidate keys then it will have___ Primary keys and ___Alternate keys

Write the missing statement to complete the following code: file = open(‘story.txt’, ‘r+’) data = file.read(5) ________# Move the file pointer to the end of the file file.write(‘End’) file.close()

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Computers

Which statement(s) will result in error? t1=(11,22,33) t2=(44,) #statement1 t2+=t1 #statement2 t4=t12+t22 #statement3 t4[0]=45 #statement4

If a table has 5 Candidate keys then it will have_ Primary keys and _Alternate keys