NIU CSCI 240 Exam 1 Study Guide Questions and Correct Verified Answers Latest Versio
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Course
NIU CSCI
Institution
NIU CSCI
main() marks the beginning of a C++ program. What C++ reserved word
precedes it?
int
Most lines in a C++ program end with a
; (semi-colon)
According to the lecture notes, the two main conceptual components of a
program are _____ and _____.
data and instructions
Modify (rewrite) the fol...
NIU CSCI 240 Exam 1 Study Guide
Questions and Correct Verified
Answers Latest Version
main() marks the beginning of a C++ program. What C++ reserved word
precedes it?
✓ int
Most lines in a C++ program end with a
✓ ; (semi-colon)
According to the lecture notes, the two main conceptual components of a
program are _____ and _____.
✓ data and instructions
Modify (rewrite) the following instruction so that the subtraction is evaluated
first:
i = a * b / c - d;
✓ i= a*b/(c-d);
About how many decimal places of accuracy does a float have?
assuming that C and F are both declared as doubles, and F has a valid value.
✓ What's wrong with it is you're always going to get 0 because it is integer
division and 5 does not go into 9 evenly. You can fix it by typecasting or
writing 5.0/9 (that will give you the remainder).
About how many decimal places of accuracy does a double have?
✓ 12
What instruction will display data on the screen from a C++ program?
✓ cout
Name two libraries that should be #include'd at the top of a C++ program.
✓ #include <iostream>
✓ #include <iomanip>
Explain in detail what the following instruction does (assuming i is declared as
int):
Master01 | September, 2024/2025 | Latest update
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