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5 Concepts for becoming a Computer Science Engineer

A computer science engineer is scientific and practical in his/her approach to computation and its applications. Being thoroughly versed about software and hardware processes, a computer science engineer draws almost $89,000 per year. Jumping to coding doesn’t help. It’s advisable to start with the basics. Here are 5 concepts you should do to become a computer science engineer-

1. Computer Organization

First things first. Without a detailed knowledge about computer architecture, it will be difficult to proceed further. Computer architecture deals with computer memory, RAM, ROM, CPU, ALU, Registers, I/O ports, Cache, 32/64 bit, architecture and other parts that make up the computer. Along with this, it also refers to the relation between the hardware components.

2. Operating System

After understanding the basics of computer architecture, next comes OS or Operating System. OS is a program that after being loaded in a computer by a boot program is responsible for running all other programs (otherwise called applications programs).

The central component of an OS is a Kernel. Kernel is more like an interface between the hardware and the user applications. Kernel is responsible for managing the communication between the hardware (disk memory, CPU, etc) and software. It is responsible for Process Management, Device Management, memory Management, Interrupt handling, I/O communication, and much more. While choosing to learn an OS, the first choice is LINUX. Linux can be said as a kernel since it does not include applications like system administrator commands, compilers, text editors, file systems, etc. Linux was designed to provide personal computer users a free OS in contrast to expensive Windows OS. Linux is reputed to be the first choice because it is extremely efficient, robust and secure.

3. API

The application programs uses OS by sending requests for services via a defined program known as Application Program Interface or API. A computer Science engineer should be well versed with OS and API. They must also be aware of C-API and System Calls.

C-API (Common Application Programming Interface) can be used to initiate as well as terminate phone calls ISDN equipped computers. It includes data exchange protocol and signaling.

System calls, on the other hand, refer to how userspace programs and kernel interact with each other. A list of all registered system calls is maintained in the system call table, which assigns each a unique number. The numbers cannot be changed or recycled. Different operating systems and different versions of an operating system for use on different types of processors have different numbers. Usually, System calls are not quite good without arguments.

4. DBMS and its types

DataBase Management System refers to a collection of programs enabling you to store, modify and extract information from a database. DBMSs vary from small used in personal computers to huge running on mainframes. Types of DBMS- Relational, Hierarchical, and Networking.

When database relationships are treated in form of a table, it is referred as Relational Database. There are three main aspects involved in Relational DBMS: relation, domain, and attributes.

A database is said to be a network DBMS when the relationship between data resembles that of many-to-many type. This relation of many-to-many resembles a network and comes in a structure of a graph.

The relation between data is said to hierarchical when one data acts like a subordinate of another. In this “tree” structure, no backward movement is possible or allowed, to be precise.

5. Programming Paradigm

A computer engineer needs to be well versed with programming paradigms as well. Programming paradigm is a basic style of computer programming. It is a way by which elements and structure of a computer program are built up. There are six types of paradigms: imperative, declarative, functional, object-oriented, logic and symbolic.

Object-oriented programming language model is organized around objects and data instead of “actions” and logic. The first step to OOP is data modeling. Data modeling is identifying all the objects you wish to manipulate and also understand how they are related to each other. Simula was the first Object-Oriented language. Other languages include Java, Python, C++, Visual Basic, .NET and Ruby.

Imperative programming is based on procedural languages while in declarative programming the computer is instructed about the problems rather than how to solve the same. Functional programming is a subset of declarative programming. Programs written with this paradigm deals with functions, methods of codes that behave like mathematical functions. It discourages any changes in the values of the variables via assignment. It makes use of recursions instead. Logic programming views computation as automated reasoning while symbolic programming describes a program that are capable of manipulating formulas and program components as data.

Another aspect of programming paradigm is multiple paradigm in which one programming language supports more than one programming paradigm.

These are the basic five steps to become a computer science engineer. Steering a computer engineering career is now becoming more and more easy since the job trends for these engineers are on a rise. Learn the basics before you jump into coding.

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