ICTFS01 Introduction to Computers PDF

TOPIC 1: INTRODUCTION COMPUTER COMPUTER is an electronic device that functions under the control of instructions stored in memory. Computer should be able to perform four (4) basic tasks: 1. Input - It should be able to accept data as input via input devices. 2. Pr...

TOPIC 1: INTRODUCTION COMPUTER COMPUTER is an electronic device that functions under the control of instructions stored in memory. Computer should be able to perform four (4) basic tasks: 1. Input - It should be able to accept data as input via input devices. 2. Processing - It should be able to process the data into useful information using processing device. 3. Output - It should be able to produce or display information on output devices. 4. Storing - It should be able to store the information for future use in storage devices. ICTFS 01 FiS - CFGS Slide 4 of 38 TOPIC 1: INTRODUCTION COMPUTER SYSTEM Is a basic, complete and functional computer, including all the hardware and software required to process data to make it functional for a user. Software Hardware Data User Four Component(s) of Computer System ICTFS 01 FiS - CFGS Slide 5 of 38 TOPIC 1: INTRODUCTION PEOPLE (USER) Is a person who uses the computer to perform specific tasks. ICTFS 01 FiS - CFGS Slide 6 of 38 TOPIC 1: INTRODUCTION DATA (INFORMATION) Is an arrangement of raw and unprocessed facts that can be modified or processed by the computer into beneficial form of information. ICTFS 01 FiS - CFGS Slide 7 of 38 TOPIC 1: INTRODUCTION HARDWARE Is the collection of the physical electric, electronic and mechanical components of a computer system. Topic Four (4) categories of basic hardware devices: 5 Processing Devices Input Devices Output Devices Topic 4 Topic 5 These will be explained further throughout the Topic course 6 Storage Devices ICTFS 01 FiS - CFGS Slide 8 of 38 TOPIC 1: INTRODUCTION COMMON HARDWARE 2. Microprocessor 6. Optical Disc Drive (CD/ DVD Drive) 3. RAM 7. Hard Disk 4. Expansion 8. Motherboard Cards 9. Speakers 5. Power Supply 16. Printer 10. Monitor 15. External Hard Disk 13. Keyboard 14. Mouse 1. Scanner ICTFS 01 FiS - CFGS Slide 9 of 38 TOPIC 1: INTRODUCTION SOFTWARE Is a set of instructions that instruct the computer and direct devices to carry out tasks. People (User) interact with a hardware through the software. Two (2) categories of software: Is the Is the software software that that designed directly to perform interacts with specific task. Topic Topic the hardware 3 2 of the computer. ICTFS 01 FiS - CFGS Slide 10 of 38 TOPIC 1: INTRODUCTION SOFTWARE: SYSTEM SOFTWARE Example(s) of System Software: ICTFS 01 FiS - CFGS Slide 11 of 38