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| Conditions that Control Processing |
1. How many ways contents of two variables can be compared?
A. four
B. five
C. six
D. seven
Answer: C
2. The condition A< B is equivalent to which of the following?
A. A> B
B. B= A
C. A? B
D. NOT (B<A)
Answer: D
3. Consider the following statements
IF A< B THEN
Instruction-1
ELSE
Instruction-2
END IF
Which of the following will produce the same result as the above does?
A. IF A= B THEN
Instruction-1
ELSE
Instruction-2
END IF
B. IF B> A THEN
Instruction-2
ELSE
Instruction-1
END IF
C. IF B? A THEN
Instruction-1
ELSE
Instruction-2
END IF
D. IF B< A THEN
Instruction-2
ELSE
Instruction-1
END IF
Answer: D
4. Which of the following exchanges the contents in memory locations X and Y?
A. move Y to X
Move X to Y
B. move X to TEMP
Move Y to X
Move TEMP to Y
Answer: B
5. Boolean algebra (Boolean logic) works with which type of variable (fields)?
A. Fields that represent numeric values
B. Fields that represent textual values
C. Fields that represent Boolean values
D. Fields that represent decimal values
Answer: C
6. What value a Boolean field (variable) can have?
A. Any value
B. Only Textual data
C. Either true or false
D. Only numeric value
Answer: C
7. Which of the following operation or operations can be used in Boolean algebra?
A. NEITHER
B. AND
C. OR
D. NOT
Answer: B, C, D
8. Which of the following is or are Boolean Operators?
A. NEITHER
B. AND
C. OR
D. NOT
Answer: B, C, D
9. When the expression A AND B is true?
A. If A is true and B is true
B. If A is false and B is false
C. Either A is true or B is true
D. Either A is false or B is false
Answer: A
10. NOT A is false __.
A. if A is true
B. if A is false
Answer: A
11. Say a=5 and b=9
Now Consider the Boolean expression NOT (a<b)
This expression evaluates to ________.
A. true
B. false
Answer: B
12. Not (3>5) AND (5>3)
This expression will evaluate to---.
A. true
B. false
Answer: A
13. Which of the following is used to represent the possible values of combinations of conditions?
A. Decision table
B. Truth table
C. Argument table
D. Function table
Answer: B
14. If three are n number of conditions what will be the number of rows of possible combinations in the truth table?
A. n2
B. n*n
C. 2n
D. n/2
Answer: C
15. Two Boolean expressions are equivalent ___________________________.
A. When they have the same values for all combinations of conditions.
B. When they have the same values for any one combination of conditions.
Answer: A
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