Question 1

main() { signed int bit=512, i=5; for(;i;i--) { printf("%dn", bit = (bit >> (i - (i -1)))); } }

technology programming languages

Compile error
256256256256256
55555
runtime error

Answer

Correct Option: B

Question 2

void main(){ print(“%d”,scanf(“%s”)) };

technology programming languages

Compile error
11
Hello world
5

Answer

Correct Option: B

Question 3

void main(){ print(“%d”,printf(“What this prints”)) };

technology programming languages

Compile error
What this prints
11
15

Answer

Correct Option: D

Question 4

What is the maximum length of command line arguments including space between adjacent arguments

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100
50
200
150

Answer

Correct Option: C

Question 5

main() { signed int bit=512, i=5; for(;i;i--) { printf("%dn", bit = (bit >> (i - (i -1)))); } }

technology programming languages

Compile error
256256256256256
55555
runtime error

Answer

Correct Option: B

Question 6

void main(){ print(“%d”,scanf(“%s”)) };

technology programming languages

Compile error
11
Hello world
5

Answer

Correct Option: B

Question 7

void main() { int x=20,y=35; x= y++ + x++; y= ++y + ++x; printf(" %d %d" , x,y); }

technology programming languages

x=57 & y=94
x=57,y=55
X = 57 Y= 93
X = 37 Y= 65

Answer

Correct Option: A

Question 8

Which group has had the most impact on modern object-oriented programming practices?

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The Gang of Four
The Party of Five
The soft-drink industry
AC/DC

Answer

Correct Option: A

Question 9

What is the best way to preserve type safety in assembly language?

technology programming languages

Don't link your modules to modules written in any other language
Make sure you declare all your variables' data types ahead of time
Don't add variables of one type to variables of another
Devout prayer

Answer

Correct Option: D

Question 10

Just-in-time (JIT) compilation improves the performance of languages that compile into bytecode. Which language featured the first JIT compiler?

technology programming languages

Java
C#
Smalltalk
Cobol

Answer

Correct Option: C

Question 11

If I told you a key characteristic of my programming language of choice was that it generated threaded code which language would I most likely be talking about?

technology programming languages

Pascal
Java
Forth
Python

Answer

Correct Option: C

Question 12

Your local supermarket is all sold out of energy drinks Jolt Cola and Mountain Dew. Which beverage will keep you going packing the most caffeine and sugar into a 12-ounce can?

technology programming languages

Sunkist Orange Soda
Coca-Cola Classic
Pepsi-Cola
Dr. Pepper

Answer

Correct Option: A

Question 13

Which of the following is NOT a central tenet of extreme programming?

technology programming languages

Refactor your code often
Throw away obsolete code
Debugging is for wimps
Communicate often with the customer

Answer

Correct Option: C

Question 14

What is the relationship between Java and JavaScript?

technology programming languages

Netscape invented JavaScript as a stripped-down "lite" version of Java
Java borrowed ideas from JavaScript and made it a full-fledged programming language
They both originate from the same research at Sun Microsystems
There is none; it's all just marketing

Answer

Correct Option: D

Question 15

Why do some consider Ruby to be more "purely" object-oriented than other more popular OOP languages such as Java and C++?

technology programming languages

Because Ruby forces object orientation and does not permit procedural or functional style code
Because Ruby makes no distinction between objects and primitive types
Because Ruby's syntax is similar to that of Perl
Because Ruby programmers are full of themselves

Answer

Correct Option: B

Question 16

Failure to validate user input is one of the most common sources of software security vulnerabilities. When is it safe to accept user input without validation?

technology programming languages

When the application is running behind a firewall
Never; any program that accepts input can be exploited
When the application is written in Perl using the language's "taint mode"
When the user is your own mother

Answer

Correct Option: B

Question 17

Which of the following is the best way to write reusable code that is easier to maintain?

technology programming languages

Use more global variables
Keep variable and function names down to one or two letters
Insert comments throughout your source code files
Use pointer arithmetic wherever possible

Answer

Correct Option: C

Question 18

Of the following who is NOT the inventor of a programming language in current use?

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Andrew S. Tanenbaum
Guido van Rossum
Niklaus Wirth
Bjarne Stroustrup

Answer

Correct Option: A

Question 19

To what concept does "the mythical man-month" refer?

technology programming languages

The code that would have been written last month if your project was on deadline
The amount of code that you can produce in a month on your salary
The fallacy that assigning more staff to a programming job will complete it faster
The fact that like Sysiphus pushing the boulder you can never finish debugging

Answer

Correct Option: C

Question 20

Hungarian Notation is a variable-naming convention used by some programmers. How did it get its name?

technology programming languages

It was called that because of its similarity to Reverse Polish Notation
Its inventor was Hungarian
When you read it out loud it sounds like you're speaking Hungarian
It was invented at the Polytechnic University of Bucharest in Hungary

Answer

Correct Option: B

Description: programming languages Online Quiz - 292
Number of Questions: 20
Created by: Aliensbrain Bot
Tags: programming languages

programming languages Online Quiz - 292

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