CBSE Class 10 Computer Science Problem and Problem Solving MCQs

(1) Problems can be classified into........types.

(A) 2 (B) 3 (C) 4 (D) 5

(2) ........is the type of a problem.

(A) Well defined problems (B) 111 defined problems (C) Both (A) and (B) (D) None

(3) ........is the example of well defined problem. 

(A) To find out value of x from 2x + 4 = 0 (B) To find meaning of word computer from a dictionary

(C) Both (A) and (B) (D) To find a friend in Hide and Seek

(4) ........is the example of ill defined problem. 

(A) To find out value of x from 2x + 4 = 0 (B) To find meaning of word computer from a dictionary

(C) Both (A) and (B) (D) To find a friend in Hide and Seek

(5) The solution of problem is in........form.

(A) stages (B) steps (C) both (A) and (B) (D) graphical

(6) Computer can solve the problems of ........ types of problems.

(A) clearly defined problems (B) problems without clear definition

(C) both (A) and (B) (D) none of these

(7) What is the solution for problems in computer field ? 

(A) Sequential instructions given to computer (B) Random instructions given to computer

(C) Ascending instructions given to computer (D) Descending instructions given to computer

(8) What type of problems are solved by computer.

(A) Very easy (B) Very complica (C) Both (A) and (B) (D) None of these

(9) Computer cannot solve the problems à Choose the correct option.

(A) True (B) False (C) Can't say (D) None of these

(10) What does the computer do to solve problem ?

(A) Find the solution itself (B) Solve the problem itself

(C) Be helpful to solve the problem (D) Both (A) and (B)

(11) ........method is indicated by the steps of finding that the given number is even or odd.

 (A) Pseudo code Method (B) Flowchart Method (C) Algorithm Method (D) None of these

(12) What do you mean by Pseudo Code ?

(A) Fake (B) Simulated (C) Clear (D) (A) or (B)

(13) To identify even and odd numbers - which meaning of the pseudo code is accepted for the given problem ?

(A) Fake (B) Simulated (C) Clear (D) (A) or (B)

(14) What is Flowchart ?

(A) Technique (B) Alternative (C) Simulative (D) Source method

(15) ........ is the pictorial representation of every action that user performs within the machine process that solves a problem.

(A) Pseudo Code (B) Flowchart (C) Algorithm (D) All of these

(16) The symbols used to carry out different processes in flowchart are known as ........

(A) elements of flowchart (B) machines of flowchart

(C) components of flowchart (D) input of flowchart

(17) To indicate each process in flowchart ........ symbols are available.

(A) same (B) unique (C) user defined (D) administrator defined

(18) Which shape is used to show start in flowchart ?

(A) Parallelogram (B) Round (C) Oval (D) Rectangle

(19) How many times in flowchart is the symbol used ?

(A) Only once (B) Only twice (C) Beginning and end (D) Many times

(20) The start and end symbol in flowchart ii known by which name ?

(A) Terminal symbol (B) End symbol (C) Both (A) and (B) (D) Master symbol

(21) In which direction the arrow points from the end symbol in flowchart ?

(A) Outside of End symbol (B) Towards of End symbo (C) (A) or (B) (D) None of these

(22) Which symbol is seen in start symbol ?

(A) Symbol going inside (B) Symbol going outside (C) Symbol going inside and outside (D) None of these

(23) Which symbol is seen in end symbol ?

(A) Symbol going inside (B) Symbol going outside (C) Symbol going inside and outside (D) None of these

(24) Which of the following plays a key role in solving a problem?

(A) Process (B) Decision (C) Input (D) Output

(25) Which of the following is the series of process?

(A) Input (B) Output (C) Process (D) Decision

(26) Which shape for symbol is used to show a process ?

(A) Arrow (B) Rectangle (C) Diamond (D) Round

(27) Generally which type of work does a computer do through a flowchart?

(A) Arithmetic (B) Logical (C) (A) or (B) (D) Descriptive

(28) Which of the following is helpful to take a decision?

(A) Arithmetic process (B) Logical process (C) Both (A) and (B) (D) None of these

(29) Which of the following is used when the answer to the question is either yes or no?

(A) Arithmetic process (B) Logical process (C) Both (A) and (B) (D) None of these

(30) In which of the following situation is symbol used ?

(A) To change the general series to solve I problem

(B) To execute particular statements based on the result of decision

(C) (A) or (B) (D) None of these

(31) What is logical symbol ?

(A) Relation box (B) Decision box (C) Function box (D) Result box

(32) Is there a need of more than one option to take a decision ?

(A) Yes (B) No (C) Cant be said (D) None of these

(33) If the condition is true in flowchart, which of the following statement is executed ?

(A) First (B) Second (C) All (D) None of these

(34) What is to be checked if the condition is false in flowchart ?

(A) First condition (B) Second condition (C) All conditions (D) None of these

(35) Which of the following statement is true if the result of the condition is true ? 

(A) The condition before it is checked (B) The given condition is checked again

(C) Check the condition after the given condition (D) Do not check the condition after the given condition

(36) Which symbol is used to show the connector symbol ?

(A) Rectangle (B) Round (C) Diamond (D) Arrow

(37) Connector symbol is used mainly for how many conditions ?

(A) 2 (B) 3 (C) 4 (D) 5

(38) In which of the following is the connector symbol used ?

(A) The flowchart is too big to fit in one page (B) Two processes cannot be connected by the arrow

(C) Both (A) and (B) (D) None of these

(39) ........symbol can merge multiple conditions.

(A) Director (B) Connector (C) Connection (D) Diamond

(40) Which of the following statement is true for connector symbol ?

(A) One arrow goes inside the circle. (B) One arrow moves out of the circle. 

(C) Both the arrows intersect each other. (D) Both (A) and (B)

(41) What is used to identify different connector symbols in flowchart ?

(A) Letters are used in pair (B) Symbols are used in pair. (C) Files are used in pair. (D) Folders are used in pair.

(42) Which of the following symbol is used to show different pairs of the connector symbol ? 

(A) Arrow (B) Rectangle (C) Round (D) Rectangle with curved border

(43) What can be done using Flowchart ?

(A) To solve a result (B) Solution to the problem (C) Solution to the connection (D) Solution of a chart

(44) What is a variable ?

(A) Function (B) Entity (C) Table (D) Database

(45) The value of........keeps on changing during a process.

(A) variable (B) constant (C) function (D) formula

(46) If a statement is iterated for multiple times, I is known as.........

(A) loop (B) function (C) series (D) formula

(47) How is flowchart helpful ?

(A) To summarize the steps for solving a problem (B) Editing the problem

(C) To give instructions to the computer (D) All of these

(48) ........is helpful to discuss different methods of solving a problem.

(A) Flowchart (B) Algorithm (C) Pseudo Code (D) All of these

(49) There are........symbols in a flowchart.

(A) 2 (B) 4 (C) 6 (D) Many

(50) What will happen if the logic of a program is changed ? 

(A) A new flowchart is needed to be made. (B) Changes are to be made in the same flowchart. 

(C) We need to connect it with another flowchart. (D) None of these.

(51) ........ refers to a step by step procedure for solving a particular problem.

(A) Algorithm (B) Flowchart (C) Pseudo Code (D) All of these

(52) What does an algorithm show ?

(A) A step by step procedure for solving a particular problem. (B) Numerical working process to solve a problem

(C) Sequential working process to solve a problem (D) Symbolic working process to solve a problem

(53) In........, an algorithm refers to a step by step procedure for solving a particular problem.

(A) Mathematical Science (B) Computer Science (C) Human Science (D) Genetic Science

(54) Algorithm is written in which type of natural language ?

(A)  English (B) Hindi (C) French (D) Gujarati

(55) By using which of the following the task of writing a computer program becomes very easy ?

(A) Input (B) Output (C) Algorithm (D) Process

(56) What is the purpose of flowchart and algorithm ?

(A) To clearly and completely state the problem. (B) To state the capacity of computer memory.

(C) To send the output to the printer. (D) To mention the base of number system.