Explore topic-wise MCQs in 2nd Class.

This section includes 282 Mcqs, each offering curated multiple-choice questions to sharpen your 2nd Class knowledge and support exam preparation. Choose a topic below to get started.

251.

Which one of the following is the exclamation mark?

A.  *                                 
B.  /
C.  !               
D.  !
E.  None of these
Answer» D.  !
252.

Read the following statements:Statement: 1. Alphabets are the characters.Statement: 2. Numbers are the characters.Statement: 3. Alphabets and numbers are alphanumeric.Which one of the following is correct about the above statements?

A.  Statement 1 is correct
B.  Statement 2 is correct
C.  Statement 3 is correct
D.  All are correct
E.  None of these
Answer» E.  None of these
253.

How many bits are there in one byte of data?

A.  4                    
B.  3
C.  8              
D.  16
E.  None of these
Answer» D.  16
254.

Consider the following statements:Statement: 1. Software bug causes the unexpected result.Statement: 2. Software bug is useful for data processing.Statement; 3. Software bug is the incorrect program source code.Which one of the following is correct about the above statements?

A.  Statement 1                 
B.  Statement 2
C.  Statements 3                
D.  Statement 1 and 3
E.  None of these
Answer» E.  None of these
255.

Which one of the following utility is used for backup of data to restore the data when needed?

A.  Copy                           
B.  Paste
C.  Backup                        
D.  All of these
E.  None of these
Answer» D.  All of these
256.

Read the following statements:Statement: 1. Cursor is usually bright, blinking and movable indicator on the computer screen.Statement: 2. Cursor is a type of font style. Which one of the following is correct about the above statements?Statement: 3. Cursor used to make letter Capitalize.

A.  Statement 1 is correct
B.  Statement 2 is correct
C.  Statement 3 is correct
D.  All are correct
E.  None of these
Answer» B.  Statement 2 is correct
257.

Consider the following statements:Statement; 1. Compiler causes bug.Statement: 2. Correctly entered data causes bug.Statement: 3. Bugs give correct outputWhich one of the following is correct about the above statements?

A.  Statement 1 is correct
B.  Statement 2 is correct
C.  Statement 3 is correct
D.  All are correct
E.  None of these
Answer» B.  Statement 2 is correct
258.

Read the following statements:Statement: 1. An Abacus is made of beads and wires.Statement: 2. An Abacus is made of semiconductor devices.Statement: 3. An Abacus is an electronic calculating device.Which one of the following is correct about the above statements?

A.  Statement 1 is correct
B.  Statement 2 is correct
C.  Statement 3 is correct                                                
D.  All are correct                                                         :
E.  None of these
Answer» B.  Statement 2 is correct
259.

Shreya: Animation is the rapid display of sequence of images.Priya: Animation is the type of insects.Rita: Animation is used for making cartoon.Who is correct?

A.  Priya                           
B.  Shreya
C.  Rita                             
D.  Rita and Priya are Correct
E.  None of these
Answer» E.  None of these
260.

Which of the following statements is INCORRECT while working on the computer?

A. You should bend forward and sit close to the computer monitor.
B. You should sit at least an arm's length away from the computer monitor.
C. You should take short breaks while working on a computer for long hours.
D. You should keep the computer away from dust and humidity.
Answer» B. You should sit at least an arm's length away from the computer monitor.
261.

Read the following statements:Statement: 1. The start menu contains programs.Statement: 2. The start menu contains system files.Statement: 3. The start Menu contain power button to shut down the system.Which one of the following is correct about the above statements?

A.  Statement 1 is true and 2 is false
B.  Statement 1 is false and 2 is true
C.  Both statements are true
D.  Both statements are false
E.  None of these
Answer» E.  None of these
262.

Given below are the figures of I-P-O cycle. Find out which one is correct figure?

A.   
B.  All of these
C.  None of these
Answer» C.  None of these
263.

The first calculating device used by man was _______.

A. Computer      
B.        Calculator
C. Abacus    
D.        All of these
Answer» D.        All of these
264.

Which of the following statements is INCORRECT in context of a computer?

A. It can work at a very high speed.
B. It has very good memory. It cannot forget the information stored in it.
C. It cannot do the same work again and again. It gets bored.
D. It cannot make any mistake on its own.
Answer» D. It cannot make any mistake on its own.
265.

Which of the following types of computer are used for special applications which require huge mathematical calculations?

A. Mainframe computer
B. Palmtop
C. Laptop
D. None of these
Answer» B. Palmtop
266.

Which of the following statements is/are CORRECT regarding the given device?

A. It is a smart machine.
B. It can store many things like words, numbers and pictures.
C. It works when it gets order from you.
D. All of these
Answer» E.
267.

Which of the following is/are CORRECT difference between human being and computer? Computer Human (1) It Cannot think on its own They can think (2) It has feeling They do not have feeling

A. Only (1)  
B. Only (2)
C. Both (1) and (2) 
D.       Neither (1) nor (2)
Answer» B. Only (2)
268.

Which of the following is a basic feature of a computer?

A. It can think.
B. It can work without electricity.
C. It can store information.
D. It can make its own decisions.
Answer» D. It can make its own decisions.
269.

The CPU has to handle a lot of tasks at the same time. Therefore, it has got some helping parts. They are the memory,          the arithmetic and logical unit and ______.

A.  Help unit   
B.  Process unit
C.  Coordinate unit 
D.  Control unit
E.  None of these
Answer» E.  None of these
270.

The keyboard consists of

A.  Memory     
B.  Function keys
C.  Number keys       
D.  Both [b] and [c]
E.  None of these
Answer» E.  None of these
271.

Which one of the following is called parentheses?

A.  ()     
B.  *
C.  ^ 
D.  !
E.  None of these
Answer» B.  *
272.

Select the hand-held device that can be connected with the desktop computer using a wire (known as data cable).

A.    
B.  
C.       
D.     All of these
Answer» C.       
273.

Which one of the following represents the working principle of computer that if a computer receives wrong command then it displays wrong output?

A.  Go In Go Out
B.  Go inside Go Outside
C.  Garbage In Garbage Out        
D.  None of these
E.  None of these
Answer» D.  None of these
274.

    Unscramble the jumbled word given below, and select the CORRECT statement about it. EATBLT

A. It cannot be carried from one place to another.
B. It can only be used by scientists.
C. It works with the help of battery, that can be charged with electricity.
D. All of these
Answer» D. All of these
275.

What is the use of the following back and forward arrow in the webpage?   

A.  To visit previous and next webpage,
B.  To scroll the current page
C.  To minimize the current page
D.  All of these
E.  None of these
Answer» B.  To scroll the current page
276.

Read the following statements:Statement: 1. The keys of computer keyboard are marked with letters and numbers.Statement: 2. The computer keyboard has special keys.Statement: 3. The keyboard keys has number keys.Which one of the following is correct about the above statements?

A.  Statement 1 is true        
B.  Statement 2 is true
C.  Statement 3 is true        
D.  All are correct
E.  None of these
Answer» E.  None of these
277.

Computers function on the basis of I-P-O cycle. What does I stand in the I-P-O cycle?

A.  Integer       
B.  Inbox
C.  Input  
D.  Integrates
E.  None of these
Answer» D.  Integrates
278.

Match the statement A with statement B.Statement AStatement B1.The information you writing on the form.i.Processing2.Printed ticketsii.Output3.Searching the seat per your requirementsiii.Input

A.  1\[\to \]i, 2\[\to \] ii, 3\[\to \]iii     
B.  1\[\to \]iii, 2\[\to \] ii, 3\[\to \]i
C.  1\[\to \] ii, 2\[\to \]i, 3\[\to \]iii     
D.  1\[\to \]iii, 2\[\to \]i, 3\[\to \] ii
E.  None of these
Answer» C.  1\[\to \] ii, 2\[\to \]i, 3\[\to \]iii     
279.

Which of the following statements are correct?1. Using the input device, we can give/feed information to the computer.2. With the help of keyboard, we can write on the computer.3. Keyboard is an input device.

A.  2 and 3 are correct
B.  1 and 2 are correct
C.  All are correct
D.  1 and 3 are correct
E.  None of these
Answer» D.  1 and 3 are correct
280.

This device of the computer understands and executes all our instructions which can either be input/output operations, numerical calculations or logical comparisons. Identify this device?

A.  Memory     
B.  VDU
C.  Keyboard   
D.  CPU
E.  None of these
Answer» E.  None of these
281.

Consider the following statements:Statement: 1. Better keyboard skill gives best productivity.Statement: 2. The upper row of the keyboard contains function keys.Statement: 3. The keyboard contain 26 alphabets keysWhich one of the following is correct about the above statements?

A.  Statement 1 is true and 2 is false
B.  Statement 1 is true
C.  Statement 3 is true
D.  All are correct
E.  None of these
Answer» E.  None of these
282.

Where does the first finger of the left hand should be placed to place the little finger of the left hand on key A of the keyboard?

A.  F     
B.  D
C.  P     
D.  O
E.  None of these
Answer» B.  D