Ab Initio Interview Basics, Question and Answers

11/24/2010 No Comment

Ab Initio Basics and Fundamentals Interview Question and Answers.

What is a destructor ?
Answer : In OOPS, a destructor is a method which is automatically invoked when the object is destroyed and is used to deallocate memory and do other cleanup for a class object

What is a Web service?
Answer : A Web service is a method of communication between two devices over the World Wide Web.It uses a standardized XML messaging system and integrates Web-based applications using the XML, SOAP, WSDL and UDDI open standards.

What kind of services operating system provides?
Answer : An Operating System provides a lot of services to both the users and to the application programs.
  • It provides users, services to execute the programs in a convenient manner.
  • It provides I/O operations, Error Detection, Resource Allocation, Protection, File System manipulation, Communication.
  • It provides programs, an environment to execute.
What is an algorithm?
Answer : In mathematics and computer science, an algorithm is a step-by-step procedure/process or set of rules to be
followed in calculations or other problem-solving operations, especially by a computer.

What is a constant?
Answer : In programming, a constant is a value that never changes. For example, the number of pencils in a dozen is always 12.

What is XML-RPC?
Answer : XML-RPC is a is a simple, portable way to make remote procedure call. It uses XML to encode its calls and HTTP as a transport mechanism

What does ASCII stand for? 
Answer : ASCII stand for American Standard Code for Information Interchange. It is the most widely used format used for text files.

What does ALGOL stand for?
Answer : ALGOL stands for ALGOrithmic Language. Its a family of imperative computer programming languages developed in 1950s. It was the standard method for algorithm description.

What does SQL stand for?
Answer : SQL stands for Structured Query Language and is used for managing data held in a relational database management system.

What is a variable?
Answer : In computer programming, a variable is a storage location enabling the programmer to write flexible programs.

What are the four basic types of data?
Answer : Primitive data types
Composite types
Abstract data types
Utility data types

What for a conditional loop is best suited?
Answer : In cases where it represents a loop that evaluates its body while a specified condition holds true.

What is an incremental loop?
Answer : An incremental loop allows programs to repeat a statement or series of statements, over and over, as long as a certain test condition is true.

What are Relational operators used for?
Answer : Relational operators perform element-by-element comparisons between two arrays/ two operands and determine the validity of a relationship.

What Relational Operators Do you know?
Answer : Some of the relational operators are <, >, <=, >=, ==, and ~=.

What does grep() stand for? 
Answer : In unix,Grep is a command-line utility for searching plain-text data sets for lines matching a regular expression. Grep searches files specified as arguments.
Eg $ grep India countrylist.txt

What does CGI stands for?
Answer : Common Gateway Interface (CGI) is a standard method used to generate dynamic content on web pages and web applications.

What does CORBA stand for?
Answer : CORBA stands for Common Object Request Broker Architecture. It is designed to facilitate the communication and collaboration of systems that are deployed on diverse platform, different operating systems, programming languages, and computing hardware.

What does Cobol stands for?
Answer : Acronym for common business oriented language. It is one of the oldest and earliest high-level programming languages used for business applications.

What does HTML stands for?
Answer : HTML stands for HyperText Markup Language. It is a standard markup language used for creating web pages which can be displayed in a web browser

What does Fortran stand for?
FOTRAN stands for Formula Translation. Its a general-purpose, programming language used for scientific calculation.

What is DOS?
Answer : DOS stands for Disk Operating System which was the first used operating System for personal computers. It was first introduced by Microsoft in August 1981

What does RPG stands for?
Answer : RPG stands for Report program generator. Its is a IBM proprietary language high-level programming language and is used for business applications.

What does BASIC stand for?
Answer : BASIC stands for Beginner's All-Purpose Symbolic Instruction Code.

What is LISP?
Answer : LISP family of computer programming languages and has been one of the leading language for software research and advanced development projects. Lisp pioneered many ideas in computer science, including tree data structures, automatic storage management.

  • Check all Ab Initio Interview Question and Answers Here
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