ICT

Computer scheme of work, SS1, First Term

len Alfred Ajibola - Sat, 20th July, 2019 @ 13:43

Topics in ICT

Types of computer network 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 Introduction to computer networks 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 Best Programming Languages to learn The internet and world wide web explained Computer Hardware, Parts and Functions of Computer Hardware


Academic Questions in ICT

Please check out our Test Your Knowledge page to see all Questions and Answers

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

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Scheme of Work for computer, SS1, 1st Term:

 

WEEK 1

Topic: OVERVIEW OF COMPUTER SYSTEM
  • Definition of computer
  • Two main constituents of a computer: computer hardware and computer software

 

WEEK 2

Topic: COMPUTER HARDWARE AND SOFTWARE
  • System unit
  • Peripherals
  • System software
  • Application software

Please read on Computer Hardware, Peripherals and Functions here.

 

WEEK 3

Topic: DATA AND INFORMATION
  • Definition of data and information
  • Differences between data and information

 

WEEK 4

Topic: DATA AND INFORMATION
  • Differences between data and information
  • Examples of data and information

Please read on Internet of Things (IoT) here.

 

WEEK 5

Topic: COMPUTING DEVICES 1(PRE-COMPUTER AGE TO 19th CENTRY)
  • Features, Components and use of:
  1. Abacus
  2. Slide rule
  3. Napcer’s bon
  4. Pascal calculator
  5. Lerbnitz multipler
  6. Jacquard’s Loom
  7. Analytical Engine
  8. Hollerith Census machine
  9. Burrough’s machine

 

WEEK 6

Topic: COMPUTING DEVICES II (20TH CENTURY TO DATE)
  • Features, Components and uses of:
  1. ENIAC
  2. EDVAC
  3. UNIVAC 1

You can read on various Motivational Quotes for Students here.

 

WEEK 7

Topic: COMPUTING DEVICES II (20TH CENTURY TO DATE)
  • Feature; components and uses of:
  1. Desk Top Personal Computer
  2. Laptop and Notebook Computer
  3. Palm Top Computer

 

WEEK 8

Topic: INPUT DEVICES
  • Definition of input devices
  • Types of input devices: Keyboard, Mouse, Scanner, Microphone, Joystick, Card-reader, Light pen, Digital Camera etc,

 

WEEK 9

Topic: INPUT DEVICES
  • Mouse
  • Feature of a mouse
  • Functions and operation

 

WEEK 10

Topic: KEYBOARD
  • Structure and function
  • Keys on the keyboard: Function keys, Numeric keys, Alphabetic keys, special Character keys, cursor control keys, command keys, etc

 

WEEK 11

Topic: REVISION

 

WEEK 12

Topic: EXAMINATIONS

 

Read Computer scheme of work for Second Term here

Read Computer scheme of work for Third Term here

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Alfred Ajibola is a Medical Biochemist, a passionate Academician with over 10 years of experience, a Versatile Writer, a Web Developer, a Cisco Certified Network Associate and a Cisco CyberOps Associate.


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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:

facebook.com/4

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 :

Google

Apple

Facebook

Amazon

Microsoft


NOTABLE POINTS IN ICT

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

Functions of a router:

  1. They ensure that data (preferably called packets) make it to their intended destination.
  2. They ensure the security of data to some extent.
  3. When a network becomes too big within a Local Area Network (LAN), routers are used to separate such networks.
  4. They connect different networks. This is the very reason why you are able to access the internet. (The internet's network and your service provider's network are different; but thanks to the router for connecting them).
  5. Multiple devices in the home or office can access the internet through the router, (and with a single IP Address). The term associated with this process is referred to a Network Address Translation (NAT)

Please read on types and functions of router here