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Showing posts from November, 2022

what is computer ?

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Chapter One  Introduction to Computer    Computer  A computer is an electronic device, operating under the control of instructions stored  in its own memory that can accept data (input), process the data according to specified  1 rules, produce information (output), and store the information for future use .    2 Functionalities of a computer   Any digital computer carries out five functions in gross terms:     Computer Components  Any kind of computers consists of HARDWARE AND SOFTWARE.    Hardware:  Computer hardware is the collection of physical elements that constitutes a computer  system. Computer hardware refers to the physical parts or components of a computer  such as the monitor, mouse, keyboard, computer data storage, hard drive disk (HDD),  system unit (graphic cards, sound cards, memory, motherboard and chips), etc. all of  3 which are physical objects that can be touched.                     1  Vermaat, Misty E. Microsoft Office 2013 Introductory. C

What is Inflation ?

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inflation: types, causes and effects  inflation and unemployment are the two most talked-about words in the  contemporary society.  these two are the big problems that plague all the economies.  almost everyone is sure that he knows what inflation exactly is, but it remains a  source of great deal of confusion because it is difficult to define it unambiguously.  1. meaning of inflation:  inflation is often defined in terms of its supposed causes. inflation exists when  money supply exceeds available goods and services. or inflation is attributed to  budget deficit financing. a deficit budget may be financed by the additional  money creation. but the situation of monetary expansion or budget deficit may  not cause price level to rise. hence the difficulty of defining ‘inflation’.  inflation may be defined as ‘a sustained upward trend in the general level of  prices’ and not the price of only one or two goods. g. ackley defined inflation as ‘a  persistent and appreciable rise

Covid-19

Introduction Over the past 2 decades, coronaviruses (CoVVs) have  been associated with significant disease Outbreaks in East Asia and the Middle East. Th Severe acute respiratory syndrome (SARS) and the Middle East respiratory syndrome (MERS) began to  emerge in 2002 and 2012, respectively. Recently, a Novel coronavirus, severe Acute respiratory Syndrome coronavirus 2 (SARS-CoV-2), causing  coronavirus disease 2019 (COVID-19), emerged in Late 2019, and it has posed a global health threat, Causing an ongoing pandemic in many countries and Territories (1). Health workers worldwide are currently making  efforts to control further disease outbreaks caused  by the novel CoV (originally named 2019-nCoV),  which was first identified in Wuhan City, Hubei  Province, China, on 12 December 2019. On 11February 2020, the World Health Organization (WHO) announced the official designation for the Current CoV-associated disease to be COVID-19, Caused by SARS-CoV-2. The primary cluster of  patients was