05/02/2023 1

Samina khan FDC Risalpur

05/02/2023 2

COMPUTER WHIZ 4

05/02/2023 3

Whiz’s File• Chapter 1 Reviewing computers• Chapter 2 Pioneers of Computers• Chapter 3 About the CPU• Chapter 4 Storing Data• Chapter 5 Whiz through Software• Chapter 6 Introducing Spreadsheet• Chapter 7 Programming Languages• Chapter 8 More on Multimedia• Chapter 9 Computer Networks

05/02/2023 4

Objectives

• To introduce programming languages• To discuss algorithms, flow charts, and

block diagrams• Introduce BASIC

05/02/2023 5

CONTENTS

• Algorithm

• Flow chart

• Computer program

• Block diagram

• BASIC

05/02/2023 6

05/02/2023 7

05/02/2023 8

AlgorithmOrganized set of

instructions.

Tells us what to do step

by step.

Helps us to solve a

problem.

Used for calculation and

data processing.

05/02/2023 9

05/02/2023 10

05/02/2023 11

Start

Switch on the power supply

Press the power button on the system unit

Open the start menu ,choose what you want to do

End

05/02/2023 12

05/02/2023 13

• It is a kind of algorithm

• It tells the computer what to do step by

step

• It gives instructions to carry out a task

such as the course of action in a game

05/02/2023 14

05/02/2023 15

Block Diagram

• Blocks connected by arrows to show the relationship between them are called block diagrams.

• We use block diagram to show the connection between different family members.

05/02/2023 16

Grandfather Grandmother

Father Mother

Sister Brother

05/02/2023 17

05/02/2023 18

Stands for Beginners All Purpose Symbolic Instruction Code.

A programming language that beginners find easy to learn and understand.

It is simple and interactive.

05/02/2023 19

05/02/2023 20