5 concepts for becoming a computer science engineer

1. 12/30/2014 5 Concepts for becoming a Computer Science Engineer
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IN BLOG - VENTURESITY
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).
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2. 12/30/2014 5 Concepts for becoming a Computer Science Engineer
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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.
C­API (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

3. 12/30/2014 5 Concepts for becoming a Computer Science Engineer
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DBMS: relation, domain, and attributes.
A database is said to be a network DBMS when
the relationship between data resembles that of
many­to­many type. This relation of many­to­many
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, object­oriented, logic and symbolic.
Object­oriented 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 Object­Oriented 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

4. 12/30/2014 5 Concepts for becoming a Computer Science Engineer
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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.
Editor’s Note: We teach programming and host
hackathons as well. Register with us to have an
interactive learning experience.
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5. 12/30/2014 5 Concepts for becoming a Computer Science Engineer
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