Perfrom Computer Operations (Day 1).pptx

Perfrom Computer Operations (Day 1).pptx

1. COMPUTER SYSTEM AND SERVICES I

2. PRAYER O, Jesus. Please be with us as we start our day at school today. Make this day joyful and bless our friends, teachers, and parents who care for us. In Jesus, we pray.

3. PERFORMING COMPUTER OPERATIONS

4. 1.1 Determine requirements of task in accordance with the required output 1.2 Select appropriate hardware and software according to task assigned and required outcome 1.3 Plan a task to ensure that OSH guidelines and procedures are followed 1.4 Follow client-specific guidelines and procedures 1.5 Apply required data security guidelines in accordance with existing procedures Objectives:

5. WHAT IS A COMPUTER?

6. COMPUTER IS... An electronic device that is used to manipulate information and data. It has the ability to store, retrieve and process data. You can use a computer to type documents, create a spreadsheet, send emails, play games, create a video or presentation and browse the web

7. HARDWARE refers to the tangible, physical and mechanical components of a computer.

8. SOFTWARE refers to the intangible computer components. It is a set of instructions that tells the hardware what to do and how to do it.

9. TYPES OF COMPUTER Presented by Teacher Lovely!

10. SUPER COMPUTERS are extremely fast computer, which can execute hundreds of millions of instructions per second.

11. Weather Forecasting Can predict more precisely because it can evaluate the mulyiple changes in the environment at the same time which make it more accurate. USES OF SUPERCOMPUTERS

12. USES OF SUPERCOMPUTERS To Break Encryption It can perform multiple tasks in parallel, so it it used in decryption of codes.

13. MAINFRAME COMPUTERS are multi-user compute system, capable of supporting hundreds of users simultaneously. Software technology is different from minicomputer.

14. USES OF MAINFRAME COMPUTERS Automated Teller Machine Insurance Health Care

15. MINI COMPUTER is a multi-user computer system, capable of supporting hundreds of users simultaneously.

16. WORKSTATION is also a single user computer system, similar to personal computer however it has a more powerful microprocessor.

17. SERVER is a software or hardware device that accepts and responds to requests made over a network. The device that makes the request, and receives a response from the server, is called a client.

18. MICROCONTROLLER are mini computers that enable the user to store data and execute simple commands and tasks. The computer in your car, for example is an embedded system.

19. PERSONAL COMPUTER is a single user computer system having moderately powerful microprocessor

20. MICROCONTROLLER are mini computers that enable the user to store data and execute simple commands and tasks. The computer in your car, for example is an embedded system.

21. FOUR PHASES TO PROCESS INFORMATION

22. INPUT Computer receives data and instructions.

23. PROCESS Computer applies instructions to data to produce information

24. STORAGE Saving the information for future use.

25. OUTPUT Computer sends information to people in a usable format.

26. FOUR PHASES TO PROCESS INFORMATION

27. Identify the Different Types of Computers and Where can we use it.

28. Mainframe Computer

29. Workstation

30. Super Computers

31. Mini Computers

32. Computer is now considered a necessity. In different fields of work like engineering, communications, medical, education, science and discoveries, technical, police work and even in our homes, computer plays a big role in accessing, processing and sharing information. As a learner, can you give an example of how a computer can help you? Write your answers on your paper.