44. The result of the postfix expression 3 10 5 +* is_ A 3 + 45 C 15 D 30 45. Paul writes a program that adds two numbers but notice at the end that the program does the subtraction of the two numbers. Which is the type of programming error encountered here? A Syntax B lexical + Semantic D Logic 46. Which of the following terms best describes the IF...THEN...ELSE program structure? A Sequence B Selection C teration Đ Recursion

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Solve Question 44, 45, 46 showing detailly all the steps with including all explanations

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44. The result of the postfix expression 3 10 5 +*
is
A 3
+ 45
C 15
D 30
45. Paul writes a program that adds two numbers but
notice at the end that the program does the
subtraction of the two numbers. Which is the type of
programming error encountered here?
A Syntax
B lexical
+ Semantic
D Logic
46. Which of the following terms best describes the
IF...THEN...ELSE program structure?
A Sequence
B Selection
C teration
Đ Recursion
Transcribed Image Text:44. The result of the postfix expression 3 10 5 +* is A 3 + 45 C 15 D 30 45. Paul writes a program that adds two numbers but notice at the end that the program does the subtraction of the two numbers. Which is the type of programming error encountered here? A Syntax B lexical + Semantic D Logic 46. Which of the following terms best describes the IF...THEN...ELSE program structure? A Sequence B Selection C teration Đ Recursion
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