Educational Blog - Ajiboye Gbenga @ Sunlite Digital ALBESTA ACADEMY LEKKI

  JS1 - 3 RD TERM COMPUTER SCHEME OF WORK WEEKS 1. Classification of Computers According to Types 1: Analog, Digital, and Hybrid Computers- Meaning, Examples and Uses 2. Classification of Computers According to Types 2- (Continuation) 3. Uses/Applications of Computers- Schools- Hospitals-Government Offices-Banks..e.t.c 4. Advantages and Disadvantages of Computers 5. Screen Pointing Devices 1- Meaning/Description, Types and Examples of Screen Pointing Devices- Mouse, Trackball, Joystick, Pointing Stick, Finger Tracking, Graphics Tablet, Stylus, Light Pen e.t.c 6.   Screen Pointing Devices 2-   (Continuation) 7. Mid Term Break 8. Mouse Techniques- Click-Double Click-Right Click- Left Click-Drag and Drop- Scroll 9. The Device- Meaning and Classes of Devices- Mechanical- Electrical – Electronic Devices 10. Revision 11-12. Examination 13. Vacation

  COMPUTER NETWORK Meaning, Types, Advantages and Disadvantages Objective: i. Define computer network ii. List and explain the types of network iii. State the advantages and disadvantages of computer network Definition of Computer Network 1. A computer network consists of a collection of computers, printers and other equipment that are connected so that they can communicate with each other. 2. It is also defined as a group of two or more computer systems linked together. Types of Network 1. Personal Area Network (PAN) 2. Local Area Network (LAN) 3. Metropolitan Area Network (MAN) 4. Wide Area Network (WAN)   1. Personal Area Network (PAN) : This connects electronic devices within a user's immediate area . The size of a PAN ranges from a few centimeters to a few meters. One of the most common real-world examples of a PAN is the connection between a Bluetooth earpiece and a smartphone.   2. Local Area Network (LAN) : consists of a series of computers linked together to form...

  COMPUTER VIRUS MEANING, TYPES, EXAMPLES AND SOURCES OF VIRUS Objectives: At the end of the lesson, students should be able to i. Define computer virus ii. List and explain types of viruses Iii. List examples and sources of viruses         Meaning of Computer Virus A virus is a self-replicating program that copies itself and that can infect other programs by modifying them or their environment such that a call to an infected program implies a call to a virus.   Types of Computer Viruses 1.     Boot Sector Virus- This type of virus infects the master boot record i.e removable media. 2.    Direct Action Virus- This is also called non-resident virus, when executed scans the disks for targets 3.    Resident Virus - Resident virus installs itself as part of the operating system when executed, after which it remain in the RAM from the ti...