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Pointers for C Programming MCQ Practice Questions

Examination Preparation and Interview questions on Pointers for C Programming
Rating: 4.4 out of 54.4 (20 ratings)
5,588 students
Created by Manu Mitra, Frahaan Hussain
Published 3/2020
English
30-Day Money-Back Guarantee

Included in This Course

51 questions

  • Pointers for C Programming MCQ Practice Questions-18 questions
  • Pointers for C Programming MCQ Practice Questions-223 questions
  • Pointers for C Programming MCQ Practice Questions-32 questions
  • Pointers for C Programming MCQ Practice Questions-48 questions
  • Pointers for C Programming MCQ Practice Questions-54 questions
  • Pointers for C Programming MCQ Practice Questions-66 questions

Description

A pointer is a object that stores a memory address. This can be that of another value located in computer memory, or in some cases, that of memory mapped computer hardware. A pointer references a location in memory, and obtaining the value stored at that location is known as dereferencing the pointer. As an analogy, a page number in a book's index could be considered a pointer to the corresponding page; dereferencing such a pointer would be done by flipping to the page with the given page number and reading the text found on that page. The actual format and content of a pointer variable is dependent on the underlying computer architecture

Using pointers significantly improves performance for repetitive operations like traversing iterable data structures, e.g. strings, lookup tables, control tables and tree structures. In particular, it is often much cheaper in time and space to copy and dereference pointers than it is to copy and access the data to which the pointers point.

Pointers are also used to hold the addresses of entry points for called subroutines in procedural programming and for run-time linking to dynamic link libraries (DLLs). In object-oriented programming, pointers to functions are used for binding methods, often using what are called virtual method tables

A pointer is a simple, more concrete implementation of the more abstract reference data type. Several languages, especially low-level languages, support some type of pointer, although some have more restrictions on their use than others. While "pointer" has been used to refer to references in general, it more properly applies to data structures whose interface explicitly allows the pointer to be manipulated (arithmetically via pointer arithmetic) as a memory address, as opposed to a magic cookie or capability which does not allow such. Because pointers allow both protected and unprotected access to memory addresses, there are risks associated with using them, particularly in the latter case. Primitive pointers are often stored in a format similar to an integer; however, attempting to dereference or "look up" such a pointer whose value is not a valid memory address will cause a program to crash. To alleviate this potential problem, as a matter of type safety, pointers are considered a separate type parameterized by the type of data they point to, even if the underlying representation is an integer. Other measures may also be taken (such as validation & bounds checking), to verify that the pointer variable contains a value that is both a valid memory address and within the numerical range that the processor is capable of addressing.

These questions will give you basic idea for Examination Preparation and/or interview on Pointers for C Programming.

Please Note:

  1. These questions are only for practice and understanding level of knowledge only. It is not necessary that these questions may or may not appear for examinations and/or interview questions

  2. In this practice test, because of large amount of questions (around 51 questions) some of questions may have repeated

  3. I had to put as 70% pass rate because there may also be wrong answers from my side.

Who this course is for:

  • C Programming
  • Pointers in C Programming

Instructors

Manu Mitra
Software Analyst
Manu Mitra
  • 3.6 Instructor Rating
  • 310 Reviews
  • 49,255 Students
  • 52 Courses

Manu was born in the year 1986. He completed his diploma in Electronics and Instrumentation Engineering (D.E.I.E.) in the year 2005 at Krishnadeveraya Government Polytechnic. He did his Bachelor of Technology (B.Tech) in Electronics and Communication Engineering in the year 2008. He completed Masters in Electrical Engineering in the year 2009 at University of Bridgeport, Bridgeport, CT US. He worked for five years in Information Technology (IT) as a Systems Analyst in United States and has one approved patent from United States Patent and Trademark Office (USPTO) and two filed patents. He published many articles including research, policies, reviews, mini-reviews, editorial, short communication and letter to editor in various journals. He is an IEEE Member (Member No: 80399531), member of Golden Key International Honour Society (Member No: 16342916) , Member of Epsilon Pi Tau (Member No: 148800), Member of Sigma Alpha Lambda (Member Id: 206804).

His areas of interest includes but not limited to Electrical Engineering, Nano technology, Nano medicine, Robotics, Quantum Physics, Physics, Electromagnetics.

Frahaan Hussain
CEO and Lead Developer at Sonar Systems
Frahaan Hussain
  • 3.9 Instructor Rating
  • 14,333 Reviews
  • 544,369 Students
  • 101 Courses

I am CEO of Sonar Systems which is the world leader in educational material for the game engine Cocos2d-x, one of the best and most popular game engines in the world. With years of experience programming and running an online education platform (Sonar Learning) I can help and support new programming like you.

I am also a University Lecturer teaching a variety of topics in Games Programming from Games Design to OpenGL Shader Programming.

I am also a published author of games design and soon to be released Responsive Web Design. I have all the facets required to educate and inspire.

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