Important Computer Science Class 11 MCQ Online Tests

Which of the following is an input device?

The process of checking all connected devices are working properly or not at the starting of computer is known as ________

Which of the following is not a type of scanner?

Which of the following component of the memory unit remember a piece of information and provides it as and when required quickly?

The slowest printer is

Which of the following part does not performing a task itself in Computer Organization?

The computer follows the IPO cycle that refers to Input-Performance-Output.

CU stands for

Which of the following is a volatile memory?

Which of the following is a feature of RAM?

The compute word means that __________

Which of the following elements of the IPO cycle requires user involvement?

Which of the following scanner is used to read data from cheques?

The process of feeding data into computer system is known as ___________

Which of the following memory stores data temporarily?

Which of the following memory is responsible for POST?

__________ refers to the inteconnection of all the components of computer.

The printed copy of your computerized work is known as

When the power turned off, data will be lost. This is known as __________

The tangible parts of computer are known as ___________

The structured data must be saved in a file to access in future.

Which of the following data maintains the internal tags or structure to maintain data elements?

The interpreter does not convert the source code into machine code.

Which of the following types of data follow a specific pattern?

Which of the following is a language translator or processor that checks the entire program in one go and then returns errors?

Which of the following utility needs to be installed by the user?

Which of the following system software acts as an interface between the device and the operating system?

Which of the following is an example of general-purpose software?

The set of instructions or commands which cannot be touched or viewed physically is known as _________

_________ manages other application programs and provides access and security to the users of the system.

Which of the following are two main security concerns associated with data?

Which of the following is not an operating system?

Data recovery is always possible whether data is deleted or overwritten.

The raw facts, figures and text are considered as __________

IDE stands for

Which of the following types of software provides the facility to operate a computer by interacting directly with hardware?

When the software needs to be purchased from the developer that does not provides any source code is known as ________

The software is used for maintenance and and configuration of the computer system is called __________

Deleting data refers to ___________

The process of gathering data using scanners, keyboard, mouse or scanners is known as _____

The key feature of software is

The data for Facebook status can be considered as __________ type of data.

Which of the following may be a valid cause of accidental deletion of file or data?

Which of the following is correct feature of data?

Fetching data from storage devices for processing as per the requirements is known as __________.

The ASCII was develolped in _________.

ASCII uses _______ bits to represent characters.

The base of Binary system is _______

Every keyboard present on the key is mapped to a unique code.

The binary equivalent of the decimal number 0.25 is _________

ISCII was developed in ________.

The full form ASCII is _________

The __________ provides a unique number for every character for various devices like servers, desktop, mobile and operating system linux, windows, iOS or software application.

The ASCII is capable to encode characters of any language.

Which of the following is an equivalent hexadecimal number of the binary number 0110101100 is

The hexadecimal value for 13 is __________

Which of the following is not a commonly used encoding scheme?

The mechanism of converting data into an equivalent cipher using specific code is  called ___________

Which of the following is an equivalent binary number of - 23D hexadecimal number

Which of the following encoding scheme is commonly used for encoding scheme?

The count of literal or digits in a number system is known as ________.

Each cell of the table contains a character along with its equivalent ________ value in Unicode table for the Devanagari script.

Which of the following is the equivalent decimal number of the binary number 10101100

The base of octal number system is ___________

ISCII can represent ____ bit characetrs.

Which of the following is not a frequently used word for pseudocode?

Fill in the blanks using proper keywords for the following pseudocode :

input n1
_____ n2
_____ Result = n**2
PRINT Result

The word pseudocode means that

The Psuedocode is pronounced as __________

Luv is learning the algorithm concepts. He just read a similar term for the process but forget the word. Identify the word from the following:

The flowchart symbol called "Terminator" is used for

Which of the following symbol is used to Start/End in the flowchart?

a)

b)

c)

d)

The __________ is a graphical representation of an algorithm.

Rashmi is learning the characteristics of an algorithm. In this, she read that the algorithm always stops after a certain number of steps. This characteristic refers to

Which of the following is not a characteristics of an algorithm?

Fill in the following blanks:

Step 1 Start

Step 2 ___ n

Step 3 ___ n<10

Step 4 print("One digit number")

Step 5 ____

Step 6 print("More than one-digit number")

Step 7 stop

The errors refers to

Which of the following is not a type of testing?

The process of converting the program into a format that can be understood by a computer to generate the desired solution is called ___________

The solution is represented in natural language is called

What are the possible outcomes of  analysing the problem

If a developed is not clear with what to be solved then the process will end up with

Arrange the steps of the problem-solving in proper order

a) Coding

b) Testing and Debugging

c) Developing an algorithm

d) Analysing the problem

The process of problem-solving technique ends with

A complex problem requires ____________

Aaksah was trying to start up his laptop. But the laptop was not starting up. He started to find the problem with the battery and power cord. This process is considered as

The problem solving does not contain a process of

The success of a computer in solving a problem depends on

Mr. Sagar is facing a problem for his company. His company is doing a business in export and import. He wanted to analyse the data and process the records. Which of the following technique is required to do this in an easy manner?

Which of the following refers to a problem?

The symbol >>> is available in __________ mode.

Who developed Python?

Python is portable and platform independent. This means that

Which of the following is not a feature of python?

Case sensitive refers to

The binary language is also known as

__________ is an ordered set of instructions to be executed by a computer carry out a specific task.

Which of the following python-mode allows to save the written commands for future use?

The python interpreter is also known as

Shail wants to type commands in python and run them on the same window, suggest the mode he can use for the same purpose.

An error causing disruption in the program's running or in producing the right output is

The explicit type conversion also known as

Which operator has the lowest precedence?

Which of the following functions returns the unique identity of the object which is its assigned memory address?

Which of the following data type allows to store numbers without fractions?

The data types that never change the value in place are called

Which of the following is not a built-in core datatype of python?

Observe this expression and choose the appropriate output:

a=0.1

b=0.2

c=a+b

print(c==0.3)

Numbers with fractions are represented by which of the following data type in python?

Consider the following Python statement:

a,b=7,2

x=a*5**b

Where a and b are?

What will be the output of: 55 and 99

What will be the returned by this statement: 10 or 1

The output of 'xyz' or '' (Empty String) is:

The user-defined conversion that forces an expression to be of specific type is known as

Consider this Python statement:

a,b=23,3

c=a*b-5//2

Where a*b-5//2 is :

Which of the following operators is used to check if both operands reference the same object memory?

what is the value of x ?

x=13/2.5

State True or False: Integers in Python can be of any length, limited by the memory available.

What will be the output of this code:

a=4

b=4.0

print(a is b)

In Python, the floating point numbers have the precision of

The Boolean data type represents

What will be the value of x?

x=-175//3

What will be the output of : 'a' and None

Python data types are of two types. Which are they?

The conversion performed by the compiler without programmers intervention is known as

What will be the value of x,y, and z respectively?

a=13

b=4

x,y,z=a/b,a//b,a%b