What does the Swift Intermediate Language (SIL) do?

An intermediate representation where additional optimization takes place.

What does the GOSUB line number do in a BASIC program?

It calls a subroutine at the specified line number

In Objective-C, how is the return 0 used?

It’s used at the end of the main function to indicate that the program ends

What is type inference?

Compiler is able to figure out a wide range of type information on its own.

How does AWK handle pattern-action processing?

AWK processes the code line-by-line.

How does PHP handle variables and data types?

PHP variables are loosely typed

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AWK Branch

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Questions 18

Answers

1
True or False? PHP-based applications can run on any OS like UNIX, Linux, or Windows.
True
False
2
Objective-C is a combination of which two languages?
C++ and BASIC
Ruby and PHP
C and Smalltalk
PHP and C
3
What does the Swift Intermediate Language (SIL) do?
It is used to define static types for Swift programs.
An intermediate representation where additional optimization takes place.
It compiles the Swift code into machine language.
It’s a low-level language used only for debugging.
4
How would you print “Hello World!” in BASIC?
PRINT “Hello, World!”
System.out.println("Hello World!");
PRINT “Hello World!”
PRINT( “Hello World!”)
5
What field variable represents an entire line?
$2
$NF
$1
$0
6
What is Ruby on Rails used for?
Developing web applications
Data processing
Compiling applications
Developing mobile applications.
7
What does the GOSUB line number do in a BASIC program?
It loops back to the start of the program.
It calls a subroutine at the specified line number
It prints a line number in the output.
It initializes a function.
8
True or False? AWK is a text-processing language used for pattern scanning, data extraction, and file transformation.
False
True
9
How can you print “Hello World!” in Objective-C?
NSLog(@”Hello World! \n”);
printf("Hello World!");
print("Hello World!");
NSLog(”Hello World!”);
10
In Objective-C, how is the return 0 used?
It’s used at the end of the main function to indicate that the program ends
It is used to define a loop's end.
It is used to exit a program with an error.
It is used to declare the main function.
11
What makes Ruby unique compared to other programming languages?
Simplicity over flexibility.
Focus on performance optimization.
Heavy use of complex syntax.
Programmer over Computer
12
What allows Ruby to dynamically define methods and modify classes at runtime?
Static typing
Multithreading
Code obfuscation.
Metaprogramming
13
What is type inference?
The compiler guesses the type based on variable names.
Compiler is able to figure out a wide range of type information on its own.
Type inference is used only with collections.
The developer is required to manually define all types.
14
In Swift, how would you declare a constant with a name of maxAttempts and a value of 3?
var maxAttempts = 3
maxAttempts = 3
let maxAttemtps = 3
constant maxAttempts = 3
15
What differentiates BASIC from other languages and makes it a good teaching tool?
Multi-threading
Simplicity
Complex syntax rules.
Object orientation
16
How does AWK handle pattern-action processing?
AWK processes the code as a single block after reading the entire file.
AWK processes the code by executing actions only for the first line.
AWK processes the code line-by-line.
AWK runs the action for the entire file and then exits.
17
How does PHP handle variables and data types?
PHP variables are strongly typed.
PHP requires explicit type declarations.
PHP does not allow variables to change types.
PHP variables are loosely typed
18
What is PHP’s main strength/use?
Database management systems
Server-side Scripting
Client-side scripting
Desktop application development

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