Tag: SS 1 Computer Studies (1st Term)

Chemistry
Posted in SS 1 Computer Studies (1st, 2nd & 3rd Term) Chemistry

PARTICULATE NATURE OF MATTER

ATOMS AND MOLECULES Matter is made up of discrete particles. The main ones are atoms, molecules, and ions. An atom is the smallest part of…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

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 (a-z) and numbers (0-9) II.           …

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Data and Information

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….

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Output Devices II

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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Computer Output Devices

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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Computer Input Devices

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.           …

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Computer Input Devices

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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

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 tubes for circuitry and magnetic…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

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 loom is a mechanical loom,…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

HISTORICAL DEVELOPMENT OF COMPUTING DEVICES

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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Computer Hardware and Software

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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Constituents Parts of a Computer System

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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Logic Gate

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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Logic Gate

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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Logic Circuit

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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Differences between primary and secondary memory

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…

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Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Types of Secondary Storage

SECONDARY MEMORY Secondary memory or storage is the non – volatile memory that stored externally from the computer. A secondary – storage medium is usually…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Memory Unit

 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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

Central Processing Unit

 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…

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Computer-Studies
Posted in SS 2 Computer Studies/Information Technology (1st, 2nd & 3rd Term) Computer Studies/ICT/IT (All Classes) SS 1 Computer Studies (1st, 2nd & 3rd Term)

OVERVIEW OF COMPUTER HARDWARE

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…

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