Quiz Discussion

Bitwise _________ gives 1 if either of the bits is 1 and 0 when both of the bits are 1.

• 1]

  OR

• 2]

  AND

• 3]

  XOR

• 4]

  NOT

Which of the following expressions results in an error?

• 1]

  int(‘1011’)

• 2]

  int(1011,2)

• 3]

  int(‘1011’,23)

• 4]

  int(1011)

What will be the output of the following Python code?

l=[1, 0, 2, 0, 'hello', '', []]
list(filter(bool, l))

• 1]

  [1, 2, ‘hello’]

• 2]

  [1, 0, 2, ‘hello’, ”, []]

• 3]

  [1, 0, 2, 0, ‘hello’, ”, []]

• 4]

  Error

Which of the following expressions can be used to multiply a given number ‘a’ by 4?

• 1]

  a>>4

• 2]

  a>>2

• 3]

  a<<4

• 4]

  a<<2

What will be the output of the following Python code snippet?

bool(‘False’)
bool()

• 1]

  True
  True

• 2]

  False
  True

• 3]

  True
  False

• 4]

  False
  False

What will be the value of the following Python expression?

float(4+int(2.39)%2)

• 1]

  4

• 2]

  4.0

• 3]

  5

• 4]

  5.0

What will be the value of x in the following Python expression, if the result of that expression is 2?

x>>2

• 1]

  1

• 2]

  2

• 3]

  4

• 4]

  8

Which of the following Boolean expressions is not logically equivalent to the other three?

• 1]

  not(-6>10 or-6==10)

• 2]

  not(-6<10 or-6==10)

• 3]

  -6>=0 and -6<=10

• 4]

  not(-6<0 or-6>10)

What is the two’s complement of -44?

• 1]

  10110011

• 2]

  11101011

• 3]

  11010100

• 4]

  1011011

What will be the output of the following Python code?

if (9 < 0) and (0 < -9):
    print("hello")
elif (9 > 0) or False:
    print("good")
else:
    print("bad")

• 1]

  bad

• 2]

  good

• 3]

  hello

• 4]

  error