Asu Cse 240 Midterm Exam (Quizzes Questions With Complete Solutions

ASU CSE 240 MIDTERM EXAM (QUIZZES QUESTIONS WITH
COMPLETE SOLUTIONS




Event-driven computing paradigm is to - ans- d d d d d dd




define a set of events and write a handler for each event
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In contrast to Web 1.0, what is the key function of Web 2.0? - ans-
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Web is the computing platformd d d d




What programming language impacts the readability of the programs written in this language
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? - ans-Control Structures
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Syntax Design d




Data Structures d




What is a feature of object-oriented computing? - ans-encapsulation of states
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Which command will have a loop expressed in a syntax graph? - ans-switch
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If your program was designed to print "Hello World" ten (10) times, but during execution, it print
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ed eleven (11) times. What typeof error is it? - ans-Semantics Error
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A computer program can be broke down into several structural layers. Which of the followings
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belong to these structural layers. Select all that applies. - ans-Synctatic
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Contextual
Semantics

For the following BNF ruleset, which are terminal symbols? Select all that apply.
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<char> ::= a | b | c | ... | x | y | z d d d d d d d d d d d d d d




<identifier> ::= <char> | <char> <identifier> - ans-y d d d d d d dd




a

What does the I (pipe) symbol in a BNF rule mean? - ans-It is an "or" operation
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Can the identifier "base_variable" be created from the following BNF ruleset?
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<char> ::= a | b | c | ... | s | ... | x | y | z d d d d d d d d d d d d d d d d d d




<identifier> ::= <char> | <char> <identifier> - ans-No - d d d d d d dd d




there is an underscore in the identifier name that cannot be generated.
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What is the main reason of applying two-
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step translation of high level programming language? - ans-One compiler for all machines
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If you like to see accurate debugging information, which of the following program processing
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would you recommend? - ans-interpretationd d d dd

, A final method in java defines - ans-an inline function
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Macros-Processing in C takes place during which phase? - ans-Pre-processing d d d d d d d d dd




What is "func" in this C program example? d d d d d d d




#include <stdio.h> d




#define func(x, y) (x > y) ? y : x d d d d d d d d d




int main() d




{
int x = 10;
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int y = 9;
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int z = func(x, y);
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} - ans-A macro
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Explicit type conversion is commonly refer to as - ans-Casting d d d d d d d d dd




Converting an integer value 5 to a float number 5.0 takes - ans- d d d d d d d d d d d dd




more than two machine instructions d d d d




Implicit type conversion is commonly referred to as - ans-Coercion d d d d d d d d dd




Which language will report a compilation error for the following snippet of code?
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int i = 3; d d d




double n, j = 3.0; d d d d




n = i + j; - ans-Java
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Which of the following orthogonality describe this example: If a block allows one statement, it s
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hould allow zero or more statements within that same block. - ans-Number orthogonality
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Why do we need to flush the input buffer? - ans-
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An unformatted input can read the newline character left from the previous input operation.
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The imperative programming paradigm is popular and is a part of object oriented computing p
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aradigm, because it - ans-matches the culture of doing things by following the step- d d d dd d d d d d d d d d




wise instructions. d




is based on computer organization and thus is efficient to execute on hardware.
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A data type is defined by - ans-the operations allowed
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the values allowed d d




A variable declaration can involve the following attributes: - ans-scope
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type