Periodic test
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This document contains a periodic test for a class 12 C++ exam. It consists of 12 questions testing various C++ concepts like identifying errors in code snippets, explaining programming terms like tokens and variables, writing recursive functions, using arrays, and writing programs to swap values and display a 2D array. Students have 1 hour to complete the 25 mark exam.
Periodic test
- 1. Periodic Test-II Class-XII Time: 1 hour M.M:25 Find Out the errors, if any, in the following C++ Statements. Q.1 cout<<”=” a; Q.2 m=5,n=12;o=15 Q.3 cin>>y;>>j; Q.4 cout>>”n “abc”; Q.5 break=x*y; Q.6 Explain what is the tokens. Q.7 what is the variables? Q.8 what is recursion? Q.9 What is array? Q.10 Observe the following c++ code carefully and rewrite the same after removing all the syntax errors #include<iostream.h> void main()
- 2. { First=10,Second=20; Jumpto(First;Second); Jumpto(second0; } void Jumpto(int N1,int N2=20) { N1=N1+N2 cout<<N1>>N2; } Q.11 Write a program swap two values. Q.12 Write a program Display Two Dimension array of 3*3.