Best programming languages to learn

len Alfred Ajibola -12th February, 2019 @ 08:53 PM

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Academic Questions in ICT

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What is the first step towards disabling automatic image download on WhatsApp?

  • A. Click on the three dots on the top right hand corner

  • B. Click on the WhatsApp logo

  • C. Click on the settings icon on the top right corner

  • D. Click on the settings icon located on the to top-center of the app

  • E. Click directly on the storage and data icon located on the top right corner

  • F. Click on the mobile data usage icon located on the top right corner

The followings are ways to conserve data on android phones except _____.

  • A. Turning on data saving mode

  • B. Activating background apps

  • C. Use of Wi-Fi to update apps

  • D. Disable automatic image download on WhatsApp

  • E. Watch low resolution videos on youtube

  • F. Utilizing a reputable data saving app on google playstore

Twitter was launched in _____.

  • A. 2003

  • B. 2004

  • C. 2005

  • D. 2006

  • E. 2007

  • F. 2008

Due to the limitation of the Internet Protocol version 4 address, _____ was created.

  • A. IPv5

  • B. IPv6

  • C. IPv7

  • D. IPv8

  • E. IPv9

  • F. IPv10

The term _____ describes the billions of physical devices that will be connected to the internet.

  • A. Internet of Everything

  • B. Internet of Physical Devices

  • C. Internet of Things

  • D. Internet of Objects

  • E. Internetworking

  • F. Internetworking of Objects

A globally interconnected network system that utilizes TCP and IP to transmit data via various media is the _____.

  • A. World Wide Web (www)

  • B. Http

  • C. Https

  • D. Https://www

  • E. LAN

  • F. Internet

Power Supply Unit - Len Academy

The above image shows the _____ in a computer.

  • A. Expansion slot

  • B. Hard Disc Drive

  • C. Optical Drive

  • D. Power Supply Unit

  • E. Motherboard

  • F. Synchronous Dynamic Ram

The clock speed of a computer is the speed at which the _____.

  • A. HDD saves data

  • B. FDS saves data

  • C. SSD saves data

  • D. GPU receives and sends data

  • E. CPU processes data

  • F. RAM transfers data

Programming languages to learn:

The knowledge of writing a computer program can get some money into your pockets from the comfort of your home. This is true because we live in a digital age where computer programming cuts across almost every institution and industry. This include schools, banks, sports, entertainment, governmental organizations and so on.

Please read on internet evolution and the world wide web here.

Having a programming skill can earn you good money right from your bedroom, although you can still choose to work for a company if you wish.

There are so many programming languages you can choose to learn. Moreover, newer languages are emerging yearly.

As a beginner, you can start with one language and from thence move on with other languages.

This article presents some of the best programming languages in no order. However, I am not of the school of thought that one language is objectively better than another.

Below are some of the best programming languages:


  • Python

Python is one of the most popular programming languages (as at 2019), and will still remain relevant for a very long time.

Python can be used for almost every kind of project including web application, machine learning, mobile and desktop applications, networking servers, APIs, scrapers, application’s backend and so on.

Please read on computer networks here.

There is a great availability of third-party libraries for the python language. For this reason, it becomes one one of the easiest languages to learn as a beginner.


  • Java

The programming language 'java' isn't the same as 'JavaScript'. Java is a popular language with great stability. It was created by James Gosling in 1991.

If your intentions are to build applications for android mobile, then this language is for you. In fact, the android studio which was created by Google serves as an excellent java-based android development framework.

In large organizations, the knowledge of java is often required since it can be used in almost any industry. With regards to difficulty level, java is moderately difficulty to learn.

Please read on computer hardware, its parts and functions here.


  • JavaScript

Almost every programmer integrates JavaScript into their projects because it serves as a frontend programming language that adds an extra layer of functionality.

Research suggests that about 95.5% of websites (in 2019) utilizes JavaScript. According to stack overflow, it is considered the most popular programming language.

As at 2019, JavaScript has become an integral part of the frontend design in web applications. Almost every advert that pops up on a web page is a function of JavaScript.

JavaScript is also utilized in NodeJS (a javaScript based run time environment), games and internet of things (IoT).

HyperText Markup Language (HTML) is the building block of the web. It also requires the cascading style sheet (CSS) and JavaScript to make websites interactive.

JavaScript is quite simple to learn.


  • C and C++

Most operating systems and file systems are written in this language. At present, we are heading into an era of the internet of things (IoT); and C++ will be in high demand here.

Please read more on the internet of things (IoT) here.

C++ is very fast and stable. In fact, Google uses it to power some of its most resource intensive operations.

As a system-level programmer, you will find C++ useful. The difficulty level for this language is medium.


  • Go Programming Language

Go programming language (Golang for short) is a new programming language that has grown rapidly. This language is built by Google and it is favored to power majority of our future systems.

Like python, golang is simple to write, while also being efficient like C++. It does provide great support for multithreading.

Golang is utilized in open source projects like ethereum and hugo because of the convenience it offers when compared to other languages. It is not difficult to learn.

You can read on how to consume less data on android phones here.


  • Swift

The Apple IOS device applications are written in this language. If you intend to be involved in the IOS mobile application development, swift is your language of choice.

With regards to performance, swift is an improvement to another language, 'objective C'.

Swift language is easy to understand and learn.

Please read on domain name system (DNS) here.


  • Hypertext Preprocessor or PHP

This article will be incomplete if I didn’t add PHP to the list.

Believe it or not, PHP still remains one of the most popular backend language for web applications in the industry, even though it’s currently facing a stiff competition from python language.

Content Management Systems (CMS) like WordPress and drupal are written in PHP for its backend. Interestingly, some of facebook’s backend were also written in PHP.

As at 2019, the backend of more than 40% of active websites are powered with PHP. In fact, Len Academy is also powered by PHP for its backend.

If you wish to manipulate databases via Structured Query Language (SQL) with a programming language that has dynamic capabilities, then PHP is your favorite option.

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Amazing facts in ICT

YouTube is a video-sharing platform which commenced operations on February 14, 2005 (Valentine's day). Three former PayPal employees -> Chad Hurley, Steve Chen and Jawed Karim created the YouTube service (as a dating app) until Google bought it in November 2006 for US$1.65 billion

Smoking near a Mac device - Len Academy

Smoking near an Apple (Mac) computer voids the warranty.

When you add /4 to the end of Facebook's URL, it will take you to Mark Zuckerberg.

You can try it on you own; or better still, try the link below:


Apple iPad retina - Len Academy

Apple iPad retina display is actually manufactured by Samsung

The big five tech companies of the world as at 2018 are :







Computer hardware is the collection of physical parts of a computer system.

Physical parts of a computer are those parts that you can see and touch. It may also be referred to as the 'equipment of the computer'.

When the computer case is opened (with a screwdriver), one would see the different hardware components inside of it. It's important to state that some other hardware components are present outside the computer case; and these are termed peripherals.

Below are hardware components seen inside the computer case:

  • Motherboard

  • Central Processing Unit (CPU)

  • Graphics Processing Unit (GPU)

  • Power supply Unit (PSU)

  • Northbridge

  • Southbridge

  • Peripheral Component Interconnect (PCI) slots

  • Network Interface Card (NIC)

  • Random Access Memory (RAM)

  • Ventilation fans

  • Heat sink

  • Hard Disc Drive (external present)
  • Solid State Drive (SSD)

  • CMOS battery

  • Optical Disc Drives (external present)

  • USB port, PS2 port, Ethernet port and other ports

  • Expansion Ports / Slots

Please read more on computer hardware here

Hardware components seen outside the computer case are called peripherals. The peripherals are grouped into the following:

  1. Input devices: They provide information to the computer.

  2. Output devices: Brings out information from the computer.

  3. Storage devices: They store information or data.

Below are examples of some peripherals:

  • Keyboard (input)

  • Monitor (output)

  • Mouse (input)

  • Webcam (input)

  • Touch Pad (input)

  • Universal Serial Bus (USB) flash drive or memory card (storage)

  • Hard disc drive (storage)

  • Stylus (input)

  • Joystick(input)

  • Printer (output)

  • Speaker (output)

  • Headphones (output)

Computer Network is a group of computers that are linked to each other such that they can share resources.

Generally, these groups of computers that form a network are called nodes.

Some of these nodes will function to store information which will be served to other computers. The nodes that function to store and serve such information are known as servers.

Some of the computers (nodes) will request information from the server. The computers that functions to request information from the server are known as clients.

Please read on computer networks here

The internet and the world wide web (www) isn't the same thing.

The internet is formed from the joining or linking of different networks.

For instance, Google's network, Facebook's network and Yahoo's network are among the many other networks that make up the internet.

World Wide Web on the other hand is a collection of linked pages (for instance, this page you're on).

There are actually billions of linked pages in various servers around the world.

You require the internet and a web browser to get to access the World Wide Web

Please read more on the internet here

Types of Networks based on geographical size

  1. Personal Area Network (PAN): An instance is a Bluetooth connection between two devices.

  2. Local Area Network (LAN): This is the network under a single administrative control and usually within a building.

  3. Campus Area Network (CAN): This network connects various devices within a campus or college

  4. Metropolitan Area Network (MAN): This network connects two offices or companies within a city.

  5. Wide Area Network (WAN): This network connects devices throughout the globe. The internet is a typical example of a WAN.

You can read more on the types of network based on geographical size here