1) What is computational thinking? a) A thought process involved in formulating a problem and expressing its solution b) Thinking like a computer in binary form c) Instructing the computer to solve a problem 2) Which of the following is TRUE about software development? a) It is a complex process. b) It requires innovative thinking. c) Complex testing procedures are involved. d) All of the above 3) Which of the following is NOT a component of computational thinking? a) Programming b) Algorithm design c) Abstraction d) Decomposition 4) Breaking a large problem down into smaller chunks is called ………………….. a) Algorithm design b) Decomposition c) Computational thinking d) Abstraction 5) Which of the following is similar to generalisation? a) Decomposition b) Algorithm design c) Abstraction d) Computational thinking 6) What is abstraction? a) Removing certain characteristics from objects are removed so that the set of characteristics is reduced to a simple form. b) Sets of logical instructions for a computer. c) Thinking like a computer. 7) What is an algorithm? a) Data given to a system b) Steps followed to think like a computer c) Step by step instructions given to a computer 8) Which of the following is NOT a characteristic of a complete solution? a) Correctness b) Presence of logical errors c) Efficient d) Reusability 9) 9.Which of the following is the first step in solving a problem?  a) Understand the problem b) Constructing a plan to solve the problem c) Apply the plan d) Checking for errors and improving the problem 10) How does a developer construct a plan to solve a problem? a) By checking whether this type of problem has been solved earlier. b) Using mathematics c) By thinking of an algorithm to solve the problem d) All of the above 11) Which of the following is an example of abstraction? a) Network layering b) Distributing components of a software to each developer in a team c) Developing a program for dividing two numbers 12) What is the difference between flowchart and pseudocode? a) A flowchart depicts the problem solving methodology in pictorial form. Whereas, pseudocode represents algorithm using simple words and mathematical operators. b) A flowchart depicts the steps of an algorithm in pictorial form. Whereas, pseudocode represents algorithm using simple words and mathematical operators. c) A flowchart depicts the steps of an algorithm in pictorial form. Whereas, pseudocode represents the problem solving methodology. 13) Complete this sentence: A decision box has …………. entry point and ………… exit points. a) one, two b) one, one c) two, one d) None of the above 14) Complete this sentence: …………. operator is used to find remainder of a division operation. a) DIV b) MUL c) MOD d) ADD 15) What is the advantage of reusing solutions? a) Saves time b) Simplifies developer’s work c) Reduces errors d) All of the above

2.1.1 Computational Thinking (28 - Problem solving and algorithm design)

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