Class 9th Computer Chapter 1


Total Marks: 20

1. A ........... is a statement or work that needs to be solved.
Flowchart algorithm proposition problem
2. In order to solve a problem , it is important to follow a .............. .
systematic approach direct approch in direct approach All of these
3. The process of finding solutions to difficult problems is called
trace table truth table defining a problem problem solving
4. Which one from the following is not a step to solve a problem systematically ?
planning a solution trace table understanding a problem defining a problem
5. Which one from the following is a step to solve a problem systematically ?
defining a problem understanding a problem all of these planning a solution
6. A well-defined problem is the one that does not contain.
error validation ambiguities ambiguities
7. A problem , which does not have any ambiguities , is called.
Defining a problem Understanding a problem Candid solution Problem analysis
8. If the problem is not defined well then which one strategy from the following programmer can use to define the problem.
Gain background knowledge Use guesses Draw a picture All of these
9. Strategy in which programmer try to know the situation and circumstances in which the problem is happening is.
Use guesses Gain background knowledge Divide and conquer Prototype
10. The strategy in which programmer try to guess the unknown information through appropriate guesses is.
Gain background knowledge Act it out Use guesses Prototype
11. Which one from the following is not the strategy to define a problem ?
Gain background knowledge Use guesses Draw a picture Act it out
12. The strategy of defining a problem based on past experience is known as.
Gain background knowledge Use guesses Draw a picture All of these
13. Before jumping into the solution of the problem , it is important to.
Define a problem Draw a picture Understand a problem Use guess
14. The advantage of clear understanding of a problem is.
It easier to solve It help to save money It help to save time All to these
15. Before problem solving , programmer need to first ........... a problem
Analyse Understand Define Selection
16. How many W\'s are there in problem solving ?
2 5 3 4
17. ............. helps to understand a given problem . (OR) ........... helps to solve the problem quickly
Problem analysis Defining a solution Selection best solution None of these
18. The next step after analyzing a problem.
Selection best solution Defining a problem Planning a solution Understanding a problem
19. .............. is a process helps us to find the right strategy for problem solving
Defining a problem Planning a solution Selecting best solution Understanding a problem
20. Right strategy for planning a solution is.
Divide and conquer Guess , check and improve Act it out All of these