Exam (elaborations)
cs 161 Exam 2|Questions with Correct Verified Answers
- Course
- Institution
cs 161 Exam 2|Questions with Correct Verified Answers
[Show more]
Seller
Follow
Content preview
cs 161 Exam 2|Questions with CorrectVerified Answers
Mistakes that allow a program to run, but cause it to produce erroneous results are called
a) logic errors.
b) syntax errors.
c) linker errors.
d) compiler errors.
e) none of the above. - ANSWER A
#include <iostream> is an example of a(n)
a) I/O statement.
b) stream directive.
c) comment.
d) preprocessor directive.
e) compiler option. - ANSWER D
Suppose str = " Hello There. ". The output of the
statement cout << str.size() << endl;
is ____.
a) 11
b) 12
c) 13
,d) 14 - ANSWER D
Before a variable in C++ is used, it must be
a) created
b) initialized
c) used in some expression
d) begin with a capital letter
e) contain only letters, digits and underscores - ANSWER A
A function prototype is ____.
a) a definition, but not a declaration
b) a declaration and a definition
c) a declaration, but not a definition
d) a comment line
e) None of the above - ANSWER C
What is the output of the following C++ code?
count = 1;
num = 25;
while (count < 25)
{
num = num - 1;
count++;
}
cout << count << " " << num << endl;
a) 24 0
b) 24 1
, c) 25 0
d) 25 1
e) None of the above - ANSWER D
Assume this code fragment is embedded in an otherwise correct and complete program. What
should be the output from this code segment?
int main() {
for( int i = 0; i < 10; i++)
{
cout << "hello" << endl;
}
cout << i << endl;
return 0;
}
a) 10
b) 9
c) 0
d) The variable i is undefined in this scope, so this should not compile - ANSWER D
Which control construct repeats a sequence of statements one or more times?
a) while statement
b) do-while statement
c) switch statement
d) if-else statement
e) none of the above - ANSWER B
Which of the following is not true of the || operator?
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller KenAli. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.24. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78252 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now