ICT

Computer scheme of work, SS1, Third Term

len Alfred Ajibola - Sat, 20th July, 2019 @ 13:42

Topics in ICT

Introduction to routers in networking Wired router and wireless router explained What are core routers in networking? Virtual routers explained with its configuration Edge router explained with its types Domain Name System explained Types of computer network Functions of a router 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 Types of DNS server 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 click here 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


Scheme of Work for Computer, SS1, 3rd Term:

 

WEEK 1

Topic: COMMUNICATION SYSTEMS
  • Meaning of ICT
  • Types of ICT: Broadcasting, Telecommunications, Data Networks, Information Systems, Satellite communications
  • Broadcasting: Radio, Television, Satellite TV systems

 

WEEK 2

Topic: COMMUNICATION SYSTEMS
  • Telecommunications:
  1. Public Switched Telephone Network (PSTN)
  2. Mobile phone system (GSM)
  3. Circuit switched packet telephone system
  4. Satellite telephone system
  5. Fixed wireless telephone system
  • Data Networks:
  1. Personal Area Network (PAN)
  2. Local Area Network(WAN)
  3. Internet

Please read more on Computer and Data Networks here.

You can read on the Internet and World Wide Web here.

 

WEEK 3

Topic: COMMUNICATION SYSTEMS
  • Information system: Data processing system, Global positioning system(GPS)
  • Applications of ICT: Teleconferencing, video conferencing, tele-presence, telecommunication and networking, tele-computing, messaging, information search, retrieval and archival

 

WEEK 4

Topic: APPLICATION AREA OF ICT
  • ICT-based gadgets: mobile phones, computer, fax machines, automated teller machine(ATM), dispensing machines, point of sales machine, automated cash register(ACR), radio set, etc.
  • Operation of ICT based gadgets

Please read on Computer Hardware, Parts and Functions here.

 

WEEK 5

Topic: BASIC COMPUTER OPERATIONS
  • Description of the booting process
  • Types of booting: Cold and warm
  • Components of window desktop: Icons, taskbar, background

 

WEEK 6

Topic: BASIC COMPUTER OPERATIONS
  • Running an application program e.g. Microsoft word
  • The process of shutting down the computer

You can attempt Len Academy Questions on various Subjects (with Answers) here.

WEEK 7

Topic: WORD PROCESSING
  • Definition of Word Processing and Word Processor
  • Examples of Word Processors: Microsoft Word, word perfect, word star
  • Features of word processors

 

WEEK 8

Topic: WORD PROCESSING
  • Word processing environment
  • Using a word processor to: create, edit, format, save, retrieve, print and close

 

WEEK 9

Topic: PRESENTATION PACKAGES
  • Definition of presentation package
  • Example of presentation packages e.g. Microsoft power-point
  • Features of presentation package: Creation of slides, insertion of pictures, insertion of video and audio, animation, slide shows, creating graphics, creating of organization and other charts

 

WEEK 10

Topic: USING PRESENTATION PACKAGE
  • Microsoft power point: Open the application, create a new presentation, insert slide contents: text, graphics and pictures

 

WEEK 11

Topic: USING PRESENTATION PACKAGE
  • Microsoft power point: Animation contents, add new slides, save presentation, close presentation, close application.

 

WEEK 12

Topic: REVISION

 

WEEK 13

Topic: EXAMINATIONS

 

Read Computer scheme of work for First Term here

Read Computer scheme of work for Second Term here

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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 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