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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is logical expression |
1 is true 0 is false Or any bool variables |
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What are relational operators |
== < <= > >= != |
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What causes syntax error in relational operators |
Any spaces between relational operators . Eg. (= =) (< =) |
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What is one way selection |
The statement executes if the if statement is true. And executes the following statement after if. |
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What is the difference between equality operator and assignment operator ? |
Equality operator ( ==) it is a relational operator. It determines whether two expressions are equal Is used for comparisons and expressions.
Assignment operator (=) is used for formula or assigning values to a variable.
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What is a two way selection |
If else statement |
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What are logical operators and give example |
! (not) || (or) && (and ) |
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Int and bool can store what? |
Both can store bool variables True or false and one and zero. |
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Does an if else and if statement have a logical expression |
Yes. |
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Is this true or false A sequence of statements enclosed between curly brackets {} is called a compound statement or block of statements. It is treated as a single statement. |
True |
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What control structure is used to handle multiway selection |
Switch structure |
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What is the output of question c |
It is A. Because that second cout is not part of the if statement. The if statement stopped after the semicolon. Usually the first statement after semicolon is only part of it. The rest is treated as separate statements. So must put curly brackets to distinguish the other statements and group them together as one. |
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List the order of precedence for operators |
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Quick review of selection . |
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What does break do |
It Exits early from loop Skips the remainder of switch structure. It stops performing other statements. It stops one case. Example: switch (number) case 0: Totalzero++; case 1:case 3:case 5:case 7:case 9: Totalodd++; Without the break before case1, zero will be counted as an odd number then the total odd number will include all zero numbers. So must include break case 0:Totalzero++; break;case 1:case 3:case 5:case 7:case 9:Totalodd++; break; ... |
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