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Showing posts from January, 2020

Computer system software

WHAT IS  A SYSTEM SOFTWARE MEANING OF SOFTWARE A software is the collection of computer programs or documentation that performs different tasks on a computer system .the software is a program written by a programmer or software developer. A Program is a list of instructions given to the computer to perform a particular task. They are the intangible part of the computer system.they may come in CD's or soft copy. TYPES OF SOFTWARE There are two types of software  System software Application software SYSTEM SOFTWARE   System software is a computer software design to operate the computer hardware and to provide and maintain a platform for running application software. The basic examples of system software are Operating system Utility software Language translator OPERATING SYSTEM The operating system (OS) is a software consisting of programs and data that runs on the computer, managers computer hardware resources and provide common executive of various application softwares. Types of op

What is the meaning of ICT, types and uses of ICT.

WHAT IS ICT MEANING:  Ict is an acronym that stand for information and communication technology. Ict therefore covers any product that can store, retrieve, manipulate, transmit or receive information electronically, in a digital form. Example personal computer, (pc),digital television, email, robots etc.  TYPES OF ICT'S  The types of ict's are;  (1).broadcasting  (2).Telecommunications (3).Data networks (4).Information systems (5).Satellite communications BROADCASTING broadcasting is the distribution of video and audio content to  a dispersed audience, through  a medium such as radio, television etc. it is divided into three sub category which are listed below (a) Radio broadcasting : radio. Broadcasting  is an audio broadcasting service, through the air as radio waves from an antenna to the receiving device.  It can be via AM (amplitude modulation). Or FM (frequency modulation ) stations. (b).television broadcasting : television  broadcasting  involves digital broadcasting  a

WHAT IS AN INPUT DEVICE

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Definition : an input device is any peripheral device that is used to give commands and input data into the computer system for processing  and ouputing of results.  TYPES OF INPUT DEVICES the types of input devices are listed below: keyboard  Biometrics (finger print scanner) Barcode reader Card reader Game pad Joysticks Paddle Gesture recognition Graphics tablet Light pen Light gun  Magnetic strip reader Magnetic card reader Magnetic character reader MICR Optical mark reader OMR Remote Touch screen Touch pad Mouse Scanner Microphone  Joystick  Card reader  Light pen Digital  cameras etc.  KEYBOARD:The keyboard is  a panel of keys used as an input device  to enter text, characters etc and to give commands into the computer  system . A standard  desktop keyboard has 101 keys which  includes alphabetical characters, punctuations, symbols, numbers and function keys.  Add caption Functions  of the keyboard  To input data into the computer  To input commands and instructions  into the comp

What is phrase , meaning, examples, types and functions of a phrase

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WHAT IS  A PHRASE  IN GRAMMARTICAL ASPECT  DEFINITION : The phrase can be defined  as group of word's (with or without a non finite verb), that doesn't make any sense or meaning.  It forms part of a sentence.  Or a phrase is a group of words that doesn't contain a subject and a predicate (verb) in a sentence.  NOTE: The finite and the non finite verb  is what helps you to differentiate between  a phrase and a clause.  In order  to understand  a phrase, the following must be considered ; (a). If the verb in the sentence is preceded  by  To, it means the verb is a non finite verb and therefore  it is a phrase and not a clause.  example: Or a phrase is a group of words that doesn't contain a subject and a predicate (verb) in a sentence.  NOTE: The finite and the non finite verb  is what helps you to differentiate between  a phrase and a clause.  In order  to understand  a phrase, the following must be considered ; (a). If the verb in the sentence is preceded  by  To, it