Computer Questions For Hssc Exams 2020, Haryana Police,Gram Sachiv, Patwari ,Most Important MCQ's

Most Important Computer Fundamentals with Python Programming Questions For Hssc Exams 2020-2021, Haryana Police , Gram-Sachiv , Patwari 

These are the most important questions and all the Questions are selected by taking the reference of the Previous year new pattern questions asked in Hssc Clerk 2019 and Haryana Police 2018 and all other Exams held in 2018 and 2019.

A typical voice signal has a bandwidth of ? ( Hssc Clerk 2019 )

A - 3 Khz 

B - 4 Khz

C - 4 Ghz

D - 3 Ghz

In which switching technique, a dedicated and complete physical connection is established between two nodes ? ( Hssc Clerk 2019 , Hr Police 2018 )

A - Message Switching

B - Packet Switching

C - Data Switching

D - Circuit Switching 

In SQL which function is used to implement calculation based upon a particular column. ( Hssc Clerk 2019 )

A - Aggregate

B - IN

C - Between

D - Order by

Which of the following environment variable for Python contains the path of an initialization file containing Python source code?

A - PYTHONPATH

B - PYTHONSTARTUP

C - PYTHONCASEOK

D - PYTHONHOME

The C# or visual basic Compiler converts your code into a special language named. ( Hssc Clerk 2019 )

A - MSSL

B - MMSL

C - MSIL

D - MISL

Which of the following environment variable for Python is used in Windows to instruct Python to find the first case-insensitive match in an import statement?

A - PYTHONPATH

B - PYTHONSTARTUP

C - PYTHONCASEOK

D - PYTHONHOME

Which function allow us to access a file in a non-sequential or random mode ? ( Hssc Clerk 2019 )

A - seek() and tell()

B - write() and read()

C - read() and readline()

D - write() and writelines()

Which of the following environment variable for Python is an alternative module search path?

A - PYTHONPATH

B - PYTHONSTARTUP

C - PYTHONCASEOK

D - PYTHONHOME

Is python a case sensitive language?

A - true

B - false

A sequence of values of any type and are indexed by integers . they are immutable.  ( Hr Police 2018 )

A - Tupple

B - String

C - List

D - Dictionary  

Which of the following data types is not supported in python?

A - Numbers

B - String

C - List

D - Slice

Which Protocol is responsible for making sure that the commands get through to the other end ?  ( Hssc Clerk 2019 )

A - UDP

B - TCP   ( Transfer control Protocol )

C - IP

D - PPP

Which of the following data types is not supported in python?

A - Tuple

B - Dictionary

C - Generics

D - List

Which is not a database management system ?  ( Hr police 2018 )

A - Sql

B - .net

C - SAP

D - Oracle

What is the output of print str if str = 'Hello World!'?

A - Hello World!

B - Error

C - str

D - None of the above.

The File mode parameter ios::app belongs to which Stream type ? ( Hssc Clerk 2019 )

A - ifsstream

B - Isstream

C - ofstream

D - strstream

Which one of the following is not a database management system ? ( Hssc Clerk 2019 )

A - PostgreSQL

B - FoxPro

C - SAK

D - dBase

What is the output of print str[0] if str = 'Hello World!'?

A - Hello World!

B - H

C - ello World!

D - None of the above.

Choose the option which is not included in Networking. ( Hr Police 2018 )

A - Access to remote database

B - Resource sharing

C - Power Transferring

D - Communication

What is the output of print str[2:5] if str = 'Hello World!'?

A - llo World!

B - H

C - llo

D - None of the above.

Which of the following function/method acts as a constructor in phython?  ( Hr Police 2018 )

A - construct()

B - __init__()

C - __str__

D - Function name same as class

What is the output of print str[2:] if str = 'Hello World!'?

A - llo World!

B - H

C - llo

D - None of the above.

Creating an object from a class is called?  ( Hr Police 2018 )

A - initialisation

B - instantiation

C - Creation

D - Defination

What is the output of print str * 2 if str = 'Hello World!'?

A - Hello World!Hello World!

B - Hello World! * 2

C - Hello World!

D - None of the above.

In Pointer concept , Indirection Operator (*)returns ( Hssc Clerk 2019 )

A - Value of the Variable

B - Location of the Variable

C - Address of the variable

D - None of the above

What is the output of print list if list = [ 'abcd', 786 , 2.23, 'john', 70.2 ]?

A - [ 'abcd', 786 , 2.23, 'john', 70.2 ]

B - list

C - Error

D - None of the above.

What is the output of print list[0] if list = [ 'abcd', 786 , 2.23, 'john', 70.2 ]?

A - [ 'abcd', 786 , 2.23, 'john', 70.2 ]

B - abcd

C - Error

D - None of the above.

What is the output of print list[1:3] if list = [ 'abcd', 786 , 2.23, 'john', 70.2 ]?

A - [ 'abcd', 786 , 2.23, 'john', 70.2 ]

B - abcd

C - [786, 2.23]

D - None of the above.

In Java, Input StreamReader translates Bytes into?  ( Hssc Clerk 2019 )

A - bytes

B - Characters

C - Bits

D - Strings

What is the output of print list[2:] if list = [ 'abcd', 786 , 2.23, 'john', 70.2 ]?

A - [ 'abcd', 786 , 2.23, 'john', 70.2 ]

B - abcd

C - [786, 2.23]

D - [2.23, 'john', 70.2]

What is the output of print tinylist * 2 if tinylist = [123, 'john']?

A - [123, 'john', 123, 'john']

B - [123, 'john'] * 2

C - Error

D - None of the above.

Which layer controls the operation of the subnet ? ( Hssc Clerk 2019 )

A - Network Layer

B - Data Link Layer

C - Physical Layer

D - Transport Layer

What is the output of print tinylist * 2 if tinylist = [123, 'john']?

A - [123, 'john', 123, 'john']

B - [123, 'john'] * 2

C - Error

D - None of the above.

Which of the following is correct about tuples in python?

A - A tuple is another sequence data type that is similar to the list.

B - A tuple consists of a number of values separated by commas.

C - Unlike lists, however, tuples are enclosed within parentheses.

D - All of the above.

What is the output of print list if tuple = ( 'abcd', 786 , 2.23, 'john', 70.2 )?

A - ( 'abcd', 786 , 2.23, 'john', 70.2 )

B - tuple

C - Error

D - None of the above.

Optical Fibre is Based on ?  ( Hssc Clerk 2019 )

A - Less scattering

B - Refraction

C - Total internal reflection

D - Less absorption co-efficient

What is the output of print tuple[0] if tuple = ( 'abcd', 786 , 2.23, 'john', 70.2 )?

A - ( 'abcd', 786 , 2.23, 'john', 70.2 )

B - abcd

C - Error

D - None of the above.

What is the output of print tuple[1:3] if tuple = ( 'abcd', 786 , 2.23, 'john', 70.2 )?

A - ( 'abcd', 786 , 2.23, 'john', 70.2 )

B - abcd

C - (786, 2.23)

D - None of the above.

In Three- tier Client / Server database architecture , intermidiate layer is called ?  ( Hssc Clerk 2019 )

A - web interface

B - Database server

C - Client

D - Application server