bidezones.com /Erlang (programming language)/Erlang MCQ Question Sample Test,Sample questions

Question:
 h() is used to?

1.Prints the current variable bindings

2.Removes all current variable bindings

3.Removes the binding for a particular variable

4.Prints the history list of all the commands executed in the shell

Posted Date:-2022-11-09 10:29:42


Question:
 In Erlang, there are _______ types of numeric literals.

1.0

2.1

3.2

4.3

Posted Date:-2022-11-09 10:30:48


Question:
 What are the datatypes that Erlang provides?

1.Constant data types

2.Compound data types

3.Both A and B

4.None

Posted Date:-2022-11-09 10:54:11


Question:
A file can be included in Erlang by

1.Include (File)

2.Include_lib (File)

3.Both of these

4.None of These

Posted Date:-2022-11-09 11:38:56


Question:
A section of code that responds to a particular interaction of the user with a gui control is called a ... ?

1.dispatch function

2.event handler

3.control structure

4.exception handler

Posted Date:-2022-11-09 11:48:41


Question:
A true or false statement put into code that the programmer expects to always be true is an ...

1.exception

2.harness

3.assertion

4.expression

Posted Date:-2022-11-09 11:47:54


Question:
An atom is a literal, a constant with name.

1.TRUE

2.FALSE

3.Can be true or false

4.Can not say

Posted Date:-2022-11-09 10:31:41


Question:
At Dartmouth College in 1964 John Kemeny and Thomas Kurtz invented .... ?

1.ALGOL

2.BASIC

3.FORTRAN

4.None

Posted Date:-2022-11-09 11:50:28


Question:
Atoms should begin with a ?

1.special character

2. lowercase letter

3.uppercase character

4. None of the above

Posted Date:-2022-11-09 10:32:43


Question:
Atoms should begin with a ?

1.special character

2.lowercase letter

3.uppercase character

4.None of the above

Posted Date:-2022-11-09 11:57:54


Question:
Dylan, Erlang, Haskell and ML are examples of ... ?

1.web languages

2.declarative languages

3.functional languages

4.visual languages

Posted Date:-2022-11-09 11:53:17


Question:
Erlang has built-in support for

1.Concurrency

2.Fault tolerance

3.Distribution

4.All of the above

Posted Date:-2022-11-09 11:42:46


Question:
Erlang was later released as an open source language in year?

1.1997

2.1998

3.1999

4.2000

Posted Date:-2022-11-09 10:24:44


Question:
Give the list of valid guard expressions?

1.Atom true

2.Other constants

3.Calls to the BIFs specified

4.All of these

Posted Date:-2022-11-09 11:55:34


Question:
GOS is typically given as a likelihood that a ________

1.Call is in progress

2.Channels are busy

3.Call is blocked

4.Channel are free

Posted Date:-2022-11-09 12:13:08


Question:
In Erlang, there are _______ types of numeric literals.

1.0

2.1

3.2

4.3

Posted Date:-2022-11-09 12:00:00


Question:
List out the pre-defined Macros in Erlang?

1.File

2.Line

3.Machine

4.All of the above

Posted Date:-2022-11-09 11:40:27


Question:
List out the pre-defined Macros in Erlang?

1.Module: It returns the name of the current module

2. Module_String: It returns the name of the current module, as a string

3. File: It returns the current file name

4.All of the above

Posted Date:-2022-11-09 11:51:31


Question:
One Erlang represents _________

1.One call- hour per hour

2.One call-minute per hour

3.One call- hour per minute

4.Many calls- hour per hour

Posted Date:-2022-11-09 12:06:42


Question:
RISC is ...

1.a defensive programming style

2.a web framework

3.a threading library

4.a CPU design strategy

Posted Date:-2022-11-09 11:49:37


Question:
Single line comments are identified by using the % symbol at any position in the line.

1.Yes

2.No

3.Can be yes or no

4.Can not say

Posted Date:-2022-11-09 10:27:26


Question:
The /0 means that our function start accepts ______ parameters.

1. 1

2.-1

3.0

4.None of the above

Posted Date:-2022-11-09 10:26:40


Question:
The time requires to allocate a trunked radio channel to a requesting user is called _______

1.Dwell time

2.Holding time

3.Run time

4.Set up Time

Posted Date:-2022-11-09 12:14:48


Question:
The ______ sign is used to add comments to the program.

1. %

2. *

3.$

4. #

Posted Date:-2022-11-09 10:25:50


Question:
To include a file in Erlang what is the command used?

1.include (File)

2.include_lib (File)

3.All of these

4.None

Posted Date:-2022-11-09 11:54:11


Question:
What are the advantages of Erlang over other programming languages?

1.Mostly functional programming with decent matching constructs, but with fully dynamic typing

2.Reliability-oriented standard library

3.Hot code swapping

4.All of the above

Posted Date:-2022-11-09 11:41:25


Question:
What are the key features of Erlang?
A. 
B. 
C. 
D. All of the above

1.Memory Management

2.Distribution

3.Integrationwrong

4.All of the above

Posted Date:-2022-11-09 11:43:28


Question:
What are the key features of Erlang?

1.Declarative Syntax: It has got the declarative syntax

2.Concurrent: It has a process-based model of concurrency

3.Realtime: It programs a real-time system

4.All of the above

Posted Date:-2022-11-09 11:52:28


Question:
What are the large companies using Erlang in their production systems?

1.Amazon

2.Facebook

3.WhatsApp

4.All of the above

Posted Date:-2022-11-09 11:42:05


Question:
What is an erlang ?

1.An Appalachian musical instrument

2. An Australian Aboriginal weapon

3.unit of telephone traffic

4.A subatomic particle

Posted Date:-2022-11-09 12:07:49


Question:
What is Erlang?

1.General purpose programming language

2.Assembly Language

3.Both of these

4.None

Posted Date:-2022-11-09 11:46:52


Question:
What is the list of valid guard expressions?

1.Arithmetic Expressions

2.Boolean Expressions

3.Short-circuit Expressions

4.All of the above

Posted Date:-2022-11-09 11:39:39


Question:
What is the measure of the ability of user to access a trunked system during the busiest hour?

1.Trunking

2.Grade of Service

3.Multiplexing

4.Sectoring

Posted Date:-2022-11-09 12:08:31


Question:
What is the syntax to write Macros in Erlang?

1.define ( Const, Replacement )

2.define ( Fun ( Var1 , Var2, …., Var ) , Replacement )

3.both (a) and (b)

4.None of these

Posted Date:-2022-11-09 11:46:02


Question:
Which of the following removes all current variable bindings?

1.b()

2.f()

3. x()

4.z()

Posted Date:-2022-11-09 10:28:34


Question:
You could use XSLT to ...

1.speed up database queries

2.encrypt passwords

3.transform XML into HTMLcorrect

4.cache html pages

Posted Date:-2022-11-09 11:57:02


Question:
_____ is a general purpose or you might say a functional programming language and runtime environment.

1.Verilog

2.Svn

3.Erlang

4.Solidity

Posted Date:-2022-11-09 12:01:12


Question:
_______ is a general purpose or you might say a functional programming language and runtime environment.

1.Verilog

2.Svn

3.Erlang

4.Solidity

Posted Date:-2022-11-09 10:23:46


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