SS 3 Data Processing Revision
DEFINITION OF DATA MODEL Is the process of structuring and organizing data. TYPES OF DATA MODELS (1) Flat (2)… Read More »SS 3 Data Processing Revision
DEVELOPMENT OF NEW ORGANISMS
COURTSHIP BEHAVIOURS IN ANIMALS Courtship is a reproductive communication between males and females of a species that ends in sexual… Read More »DEVELOPMENT OF NEW ORGANISMS
Computer Input devices and Output devices
Sections of the Keyboard The Keyboard is divided into five sections; I. Alphanumeric keys( Alphabet and Numbers): consist of alphabet… Read More »Computer Input devices and Output devices
Data and Information
MEANING OF DATA Raw facts or entity which no meaning has been attached to because it has not been processed… Read More »Data and Information
Output Devices II
PRINTER There are three types of computer printers: Inkjet: Inkjet printers spray a jet of special ink on the surface… Read More »Output Devices II
Computer Output Devices
OUTPUT DEVICES Computer output device is a device that releases the processed data from the computer to either the user… Read More »Computer Output Devices
Computer Input Devices
Sections of the Keyboard The Keyboard is divided into five sections; I. Alphanumeric keys( Alphabet and Numbers): consist of alphabet… Read More »Computer Input Devices
Computer Input Devices
An Input Device is any computer hardware equipment used to feed or send data into the main storage of a… Read More »Computer Input Devices
HISTORICAL DEVELOPMENT OF COMPUTING DEVICES
HISTORICAL DEVELOPMENT OF COMPUTING DEVICES( 20th Century) These generations of computers witnessed the first set of computers that used vacuum… Read More »HISTORICAL DEVELOPMENT OF COMPUTING DEVICES
HISTORICAL DEVELOPMENT OF COMPUTING DEVICES 2
HISTORICAL DEVELOPMENT OF COMPUTING DEVICES 2 (PRE COMPUTER AGE TO 19TH CENTURY) JACQUARD’S LOOM (FEATURES, COMPONENT AND USES) The Jacquard… Read More »HISTORICAL DEVELOPMENT OF COMPUTING DEVICES 2