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Academic Quotes

The first problem for all of us, men and women, is not to learn, but to unlearn - Gloria Steinem

The act of unlearning is an excellent form of learning. Infact, you will need the skills of unlearning if you intend to become an expert in your desired field.

Do yourself a favor by unlearning, learning and re-learning on a daily basis

If you don't design your own life plan, chances are you'll fall into someone else's plan. And guess what they have planned for you? Not much - Jim Rohn

There's something special about you. It doesn't matter whether you work for a company or someone; what matters is the amount of investment you've made on yourself.

Investing in yourself is the best life plan you can design for your future

Smile - Len Academy

Peace begins with a smile - Mother Teresa

Never underestimate the power of your smile. It can lift up the depressed, improve the mood of the downtrodden and even discourage a suicidal attack. Also remember that your smile makes you more beautiful

Smile always for your own good and the good of others

The only person who is educated is the one who has learned how to learn …and change - Carl Rogers

To perfect your learning process, you must learn, unlearn and re-learn. Infact, we all need to learn how to unlearn those vices we know about ourselves.

Do you know that seeing the devastating consequences of vices (perhaps in movies or real-life) can initiate the unlearning processes in one who does such?

Start where you are. Use what you have. Do what you can - Arthur Ashe

Start now. You've got all it takes to achieve greatness, so no environment can limit you. Just begin something, give in your best and don't stop.

Remember, don't stop giving your best if you truly desire greatness. Nothing can stop you except yourself

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

ANSWER: Click on the three dots on the top right hand corner

The first step towards making changes on WhatsApp settings is to click on the three dots on the top right hand corner of the app.

To disable automatic image download on WhatsApp, below are the steps to follow:

  1. On the WhatsApp application, click on the three dots on the top right hand corner

  2. Click on settings

  3. Click on storage and data

  4. Select 'when using mobile data'

  5. Untick the boxes for photos, videos, audios and documents respectively

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

ANSWER: Activating background aps

Activating background applications (apps) does not save data. Infact, most apps consume data even when in background mode. In order to save data, restrictions on data consuming app should be set at background level.

The restrictions on background consuming apps can be done via the phone settings.

Please read on how to consume less data on android phones here

Twitter was launched in _____.

  • A. 2003

  • B. 2004

  • C. 2005

  • D. 2006

  • E. 2007

  • F. 2008

ANSWER: 2006

Twitter is a micro-blogging social media platform launched in 2006 by its founder, Jack Dorsey. He made the first tweet which reads: 'Just setting up my twttr'.

Please read on the internet, world wide web and various internet terms here

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 Internet Protocol version 6 (IPv6) address is a very large pool of addresses created to cover up the limited Internet Protocol version 4 (IPv4) addresses.

Understand that every computer or internet enabled device requires an Internet Protocol (IP) address to connect to the internet.

Interestingly, the number of internet enabled devices and objects are constantly increasing, thus giving rise to the creation of an unbelievably large pool of address termed IPv6.

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

ANSWER: Internet of Things

The Internet of Things (IoT) describes the billions (or even trillions) of physical devices that will be connected to the internet.

The Internet of Things is considered as the 4th industrial revolution since it will give rise to technologies like smart homes, smart roads, smart schools, smart cars and so on.

Please read on the Internet of Things here

You can check out the Len Academy smart school system here

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

ANSWER: Internet

The internet is the mother of all network. It is the largest network in the universe and it utilizes TCP and IP to transmit data through various media like fibre optics, copper cables and wireless technology.

Understand that the internet and world wide web aren't the same thing.

Please read more on the internet and world wide web here

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

ANSWER: Power Supply Unit

The Power Supply Unit (PSU) is a computer hardware that receives power from an external power source like the home socket. It connects to the motherboard through the power cable.

It's unit of power is measured in watt (W)

Please read more on parts of the computer hardware here

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

ANSWER: CPU processes data

The CPU is considered the brain of the computer. It processes all data (information) and execute computer programs. The rate at which it does this is termed its clock speed, measured in gigahertz (GHz)

Please read more on parts and functions of the computer here

Which of the following statement is incorrect concerning computer hardware?

  • A. It is a collection of the physical parts of a computer

  • B. Computer hardware may also be referred to as the equipment of the computer

  • C. Hardware components seen outside the computer are called externals

  • D. The Northridge is a computer hardware present inside the computer

  • E. The Joystick is a computer hardware seen outside the computer

  • F. Solid State Drive is a computer hardware that stores data

ANSWER: Hardware components seen outside the computer are called externals

The hardware components seen outside the computer are called peripherals.

Please read the details of computer hardware here

The term SOHO is best represented as a _____.

  • A. LAN
  • B. WAN
  • C. CAN
  • D. PAN
  • E. MAN
  • F. SAN


SOHO means Small Office Home Office.

SOHO Networks are usually associated with a Personal Area Network (PAN).

PAN is a small Network commonly found in homes and small offices. This network has a maximum range of about 30 meters.

Please read on Types of Computer Networks here

Which of the following is NOT a function of the router?

  • A.To ensure that packets make it to their destination networks
  • B. To separate networks
  • C. To move traffic to the end devices within a LAN
  • D. To ensure some form of data security
  • E. To connect networks
  • F. To assist in connecting a home network to the internet

ANSWER: To move traffic to the end devices in a LAN

The movement of traffic to the end devices in a Local Area Network (LAN) is primarily the function of a switch and not a router.

Please read on the functions of the router here

An example of a network that spans the entire globe is the _____.

  • A. LAN
  • B. PAN
  • C. MAN
  • D. CAN
  • E. NAN


A network that spans the entire globe is the Wide Area Network (WAN). An example of a WAN is the INTERNET.

The internet is a public Network which anyone can access. It is always considered as the 'Network of all networks'.

Please read on Computer Networks here

A specialized router residing at the boundary of a company's network is called a/an _____.

  • A. Wired Router
  • B. Wireless Router
  • C. Core Router
  • D. Edge Router
  • E. Virtual Router
  • F. LAN Router
  • G. WAN Router

ANSWER: Edge router

An edge router is a specialized router present or stationed at the boundary or edge of a company's network. It's the function of the edge router to connect with external nertworks. External networks in this sense could be another company's network, a Wide Area Network or the Internet. They often run the Border Gateway Protocol (BGP) to bring about their connection with these external networks.

Which of the following is NOT a type of computer network?

  • A. NAN
  • B. MAN
  • C. CAN
  • D. LAN
  • E. WAN
  • F. PAN


NAN is not a type of computer network.

  • MAN means Metropolitan Area Network
  • CAN means Campus Area Network
  • LAN means Local Area Network
  • WAN means Wide Area Network
  • PAN means Personal Area Network

Pease read on Computer Networks here

Personal Area Network - Len Academy

The above diagram best illustrate a _____.

  • A. LAN
  • B. WAN
  • C. CAN
  • D. MAN
  • E. PAN
  • F. NAN


A network formed through Bluetooth is a Personal Area Network (PAN).

PAN is a small network with a maximum coverage of about 30 meters.

The layer 3 device that move packets between devices, allowing Network communication is called a _____.

  • A. Switch
  • B. Router
  • C. Firewall
  • D. Computer
  • E. Smart phone
  • F. Central Procession Unit

ANSWER: Router

A router is a device found at layer 3 of the OSI Model. One of its function is to analyze and move (route) incoming packets towards their destination network by creating a routing table.

Please read on the OSI Model here

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ICT topics

Transport Layer: Layer 4 of the OSI model Routers, Types and Functions of Routers Computer scheme of work, SS1, First Term Computer scheme of work, SS1, Second Term Computer scheme of work, SS1, Third Term Computer Networks and Types of Computer Network Domain Name System: How DNS works and Types of DNS Servers Open Systems Interconnect - Layers of the OSI Model Internet of Things (IoT), How IoT works, its advantages and challenges How to consume less data on android phone

Amazing facts for Students

Cockroach is the fastest land animal on six legs


Laughing ape - Len Academy

Like humans, all apes laugh when tickled


Antibiotics fights and kills bacteria. However, they do nothing to a virus

Basic Science

The longest street in the world is Yonge street in Toronto Canada. It has a length of 1,895,807.232 meters or 1,178 miles


The only English word with five consecutive vowels is 'queueing'