Post Views: 2 Data Processing is the process of producing meaningful information from raw data. It describes the series of actions taken to produce useful information by collecting all items… Read More »INTRODUCTION TO DATA PROCESSING
Post Views: 2 Sections of the Keyboard The Keyboard is divided into five sections; I. Alphanumeric keys( Alphabet and Numbers): consist of alphabet (a-z) and numbers (0-9) II. Function keys… Read More »Computer Input devices and Output devices
Post Views: 2 MEANING OF DATA Raw facts or entity which no meaning has been attached to because it has not been processed is referred to as DATA. Data could… Read More »Data and Information
Post Views: 1 PRINTER There are three types of computer printers: Inkjet: Inkjet printers spray a jet of special ink on the surface to create an ink under control of… Read More »Output Devices II
Post Views: 1 OUTPUT DEVICES Computer output device is a device that releases the processed data from the computer to either the user or any of the storage devices. There… Read More »Computer Output Devices
Post Views: 1 Sections of the Keyboard The Keyboard is divided into five sections; I. Alphanumeric keys( Alphabet and Numbers): consist of alphabet (a-z) and numbers (0-9) II. Function keys… Read More »Computer Input Devices
Post Views: 1 An Input Device is any computer hardware equipment used to feed or send data into the main storage of a computer for processing. Many input devices can… Read More »Computer Input Devices
Post Views: 3 HISTORICAL DEVELOPMENT OF COMPUTING DEVICES( 20th Century) These generations of computers witnessed the first set of computers that used vacuum tubes for circuitry and magnetic drum for… Read More »HISTORICAL DEVELOPMENT OF COMPUTING DEVICES
Post Views: 1 HISTORICAL DEVELOPMENT OF COMPUTING DEVICES 2 (PRE COMPUTER AGE TO 19TH CENTURY) JACQUARD’S LOOM (FEATURES, COMPONENT AND USES) The Jacquard loom is a mechanical loom, invented by… Read More »HISTORICAL DEVELOPMENT OF COMPUTING DEVICES 2
Post Views: 2 HISTORICAL DEVELOPMENT OF COMPUTING DEVICES The origin of computers dates back to when our fore fathers used their early calculating devices to count. For example Counting with… Read More »HISTORICAL DEVELOPMENT OF COMPUTING DEVICES
Post Views: 1 Definition of Computer hardware This refers to the physical units or components which make up the computer configuration. The term hardware refers to the tangible parts of… Read More »Computer Hardware and Software
Post Views: 3 A computer is a special multi-purpose electronic device (Machine) that is capable of receiving instruction (data), storing and processing it and giving a desire result as output… Read More »Constituents Parts of a Computer System
Post Views: 2 These are gates that are formed from combination of two logic gates. There are two types of alternative logic gate: NAND GATE A NAND gate is the… Read More »Logic Gate
Post Views: 2 LOGIC EQUATIONS Aside representing the functioning of a logic gate with truth table and grammatical definition, the use of logic equations can be used not only to… Read More »Logic Gate
Post Views: 1 LOGIC GATES A logic gate is an elementary building block of a digital circuit. Most Logic gates have two inputs and one output. At any given moment,… Read More »Logic Circuit
Post Views: 1 Differences between primary and secondary memory Primary storage devices Secondary storage devices 1 These devices are temporary. These devices are permanent. 2 These devices are expensive. These… Read More »Differences between primary and secondary memory
Post Views: 1 SECONDARY MEMORY Secondary memory or storage is the non – volatile memory that stored externally from the computer. A secondary – storage medium is usually used for… Read More »Types of Secondary Storage
Post Views: 2 Memory is the part of the computer that holds data and instructions for processing. It stores program and instructions or data for only as long as the… Read More »Memory Unit
Post Views: 2 The main objective of the CPU is to perform mathematical calculations on binary numbers; still there are other goals of using CPU as well. The CPU comprises… Read More »Central Processing Unit
Post Views: 2 Computer Hardware This is the collection of physical elements that constitutes a computer system. Computer hardware refers to the physical parts or components of a computer such… Read More »OVERVIEW OF COMPUTER HARDWARE