Presentation on theme: "Lesson plan. School:. Njia boys High school Subject:"— Presentation transcript:
1 Lesson plan. School:. Njia boys High school Subject: Lesson plan . School: Njia boys High school Subject: Computer Studies Class: Form 1 W No. of Students: 48 Topic: Computer System Sub-Topic: Hardware – (Input devices) OBJECTIVES: By the end of the lesson the learner should be able to ; 1.Define computer system 2.Identify most of the hardware resources 3.State and explain the hardware components of a computer system.
2 TimeContentLearning activitiesResources5 minIntroduction and greetingsRecap of previous lesson.Overview of the TopicThe learners will answer questions.White board and white board marker30 minDevelopment of the topicDefinitionDemonstration of H/w using a diagramLearners ask and answer questions.Learners watch the demonstration and make personal notes.Computer systemPowerPoint presentationConclusionTeacher give questions to ascertain the understanding.Learners to answer questions and do the activity.
3 COMPUTER SYSTEMDef:A collection of entities which collectively work together to achieve a stated goal.Computer system consist of the following entities;HardwareSoftwareLive ware
4 These are the physical or tangible components of a computer system. HARDWAREThese are the physical or tangible components of a computer system.Hardware comprises all of the physical part of the computer such as Monitor, CPU, motherboard, ram, CD-Rom, printer, scanner, hard disk, flash drive (AKA pen drive), processor, pci buses, floppy disk, power supply, VGA card, sound card, network interface card, peripherals, joystick, mouse, keyboard, foot pedal, computer fan, camera, headset and othersThey are classified into ;Input devicesCPUOutput devicesStorage devoces
5 HARDWARE COMPONENTS. Size: 453 × 308 Type: 39KB GIF Website for this imagegocomputertraining.comHARDWARE COMPONENTS.Size:453 × 308Type:39KB GIF
6 INPUT DEVICES These convert user input in machine readable form. They are classified according to methods used, such asKeyingPointingScanningDirect data capture
7 KEYING DEVICESA keyboard is a set of buttons that send coded signals to a computer, printer, or communications channel. Each button, or key, corresponds to one or more letters, numbers, symbols, or special commands.When you press a key, the keyboard sends a code to the computer's CPU that corresponds to the character printed on the key. When the CPU receives the signal, it accepts it either as part of a command or as text input and later appears on your monitor screen.
8 Keyboard keys. Functional keys Cursor movement keys Numeric key pad Alphanumeric keysNumeric key padSpecial keys
9 A mouse has two buttons, namely Pointing DevicesComputer uses a mouse or other pointing device to follow the movement of your hand, and convert that motion into instructionsA mouse has two buttons, namelyRight hand buttonLeft hand buttonA scrolling button is at the middle
10 Learners activity A mouse Buttons Right hand button Left hand button Interface cableScrolling button
11 Learners activity: Students to identify Different keys from a keyboard