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UNIT OF STORAGE IN COMPUTER AND CONVERSION (JS2) NOTE

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  UNIT OF STORAGE IN COMPUTER DEFINITION, UNIT OF STORAGE IN ORDER AND CONVERSION/CALCULATION Definition of Computer Units of Storage Units of storage in a computer are the denominators used to quantify the volume of data or instructions in a computer or on a storage media. Data can be stored in the computer through several methods using varying electronic components. Some of these components include Hard disk, Compact disk, Flash drive, Floppy disk, Random Access Memory (RAM), etc. Units of Storage in a Computer Some units of storage in the computer include: (i) Bit (b):  Bits is an acronym that stands for  B inary dig ITS . It is the Smallest Unit of data on a binary computer. A single bit consists of 0 (zero) or 1 (one). (ii) Nibble (nybble, nyble, or nybl):  A nibble is a collection of four bits. (iii) Bytes (B):  A byte consists of eight bits. It is the smallest item that can be individually accessed by a program. (iv) Kilobyte (KB):  A Kilobyte consists of 2 10  (1024) Bytes whic
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MID TERM PROJECT FOR JS1 (MASTERING THE KEYBOARD)

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              PROJECT TOPIC:  MASTERING THE KEYBOARD MARK OBTAINABLE = 40 MARKS Instructions: 1. Use Microsoft Word to type the below with your proper finger placement on the keyboard. 2. Take records of  time  you take to complete your task using timer. e.g 30minutes, 1hr, e.t.c 3. Take snapshot of yourself while performing this task and print as well 4. Type your full name on the bottom part of each page 5. Your Full Name, Class, Project Topic, and Time Taken should be on the first page 6. Spiral bind your project  7. Submit on resumption:  (Wed 19th June, 24)                                                                             A.  “BRIEF HISTORY OF BILL GATES” Full Name: William Henry Gates III Date of Birth: October 28, 1955 Occupation: Business Magnate, Software Developer, Investor, Author, Philanthropist Known For: Co-founding Microsoft Corporation, Philanthropy Early Life and Education: Bill Gates was born and raised in Seattle, Washington. His father, Willi
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SPREADSHEET PACKAGE 1 - (ADVANCED - BASIC ARITHMETIC OPERATORS AND FUNCTIONS) (SS2 NOTES)

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  SPREADSHEET PACKAGE 1 -  (ADVANCED - BASIC ARITHMETIC OPERATORS AND FUNCTIONS) MEANING OF A FUNCTION A  function  is a  predefined formula  that performs calculations using specific values in a particular order. All spreadsheet programs include common functions that can be used for quickly finding the  sum ,  average ,  count ,  maximum value , and  minimum value  for a range of cells. In order to use functions correctly, you'll need to understand the different  parts of a function  and how to create  arguments  to calculate values and cell references. THE PARTS OF A FUNCTION In order to work correctly, a function must be written a specific way, which is called the  syntax . The basic syntax for a function is an  equals sign (=) , the  function name  (SUM, for example), and one or more  arguments . Arguments contain the information you want to calculate. The function in the example below would add the values of the cell range A1:A20. FUNCTIONS                                   
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ADVANTAGES AND DISADVANTAGES OF COMPUTER (JS1 NOTES)

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  ADVANTAGES AND DISADVANTAGES OF COMPUTER Objective:  At the end of the lesson, the students should be able to: 1. State advantages and disadvantages of computer ADVANTAGES OF COMPUTER Computers are widely used for  data  processing because they possess certain advantages over manual labour by humans. Computer  can be used to process  data  at a faster speed. Increased access to the information stored in the resource centre. Process  data  at an accurate rate. It can be used to process a very large volume of transaction no matter how complex it may appear. Reliable in its work. It has a large storage capacity It provides a better job quality. Increased efficiency –  information stored on a  computer  database can be used for different purposes DISADVANTAGES OF COMPUTER 1. Unemployment 2. Wastage of time and energy 3. Cyber crime 4. Health Issues - back pain, eye strain, headache, obesity e.t.c 5. Fake news 6. Impersonation 7. Environmental impact -  Computers contain heavy metals.   T
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USES AND APPLICATIONS OF COMPUTER (JS1 NOTES)

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  USES AND APPLICATIONS OF COMPUTER  SCHOOL - HOSPITALS - GOVERNMENT OFFICES- BANKS E.T.C Objective:  At the end of the lesson, the students should be able to: i. State the uses and applications of computers                        USES OF   COMPUTER Computer  can be used in  computer  schools, hospitals,  government  offices. Computers are used for organizing  data  management and information. It enhances the learning process with interactivity e.g students’ compact disk. It aids communication system through e-mail, teleconferencing, telephone E-presence. It is also used for word processing i.e. used to write letters, memos and documents. Computers are used for graphical presentation such as production of all sorts of cards, letterheads calendars etc. It is used for fun, excitement and relaxation through  computer  games. It helps to plan schedule and control people resources and cost of project                              APPLICATIONS OF COMPUTERS Computer  in education: they are use
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WEB DESIGN PACKAGES 1- DEFINITION, EXAMPLES AND FEATURES OF A WEBSITE (SS2 NOTES)

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  WEB DESIGN PACKAGES 1-  DEFINITION, EXAMPLES AND FEATURES/COMPONENT OF A WEBSITE Objective of the study Definition of Web Design Uses of Web Design Components of Web Design Web Design Applications What is Web Design ? Web design is the process of creating websites using a mark-up language. Web Design packages are the group of software that are used to design the website. Website is a collection of related web pages connected to one another by hyperlinks and are available on the internet via a uniform resource locator (URL) or domain name. Uses of Web Design packages They are used for web graphics design They are used for interface design They are used for authoring including standardized code and proprietary software They are used for users experience design Search engine optimization   Components of Web Design Packages Views Standard, normal or design view which is retarded as the default. Code View: This allows you to view and work directly with the HTML code. Split View: This is w
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TYPES OF COMPUTER - ANALOG, DIGITAL AND HYBRID - MEANING AND EXAMPLES (JS1 NOTES)

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 TYPES OF COMPUTER  ANALOG, DIGITAL AND HYBRID - MEANING AND EXAMPLES Types of computers are: (i)                 Analog Computer (ii) Digital computer (iii) Hybrid computer (i)                 Analog Computer: This computer uses continuous physical phenomena such as electrical, mechanical or hydraulic quantities to solve problems. Examples are thermometer, speedometer, old radios e.t.c (ii)               Digital computer: This computer performs calculations and logical operations with quantities represented as digits, usually in the binary system (0’s and 1’s). Examples are PC (personal computer), calculators, digital clock, digital cameras e.t.c (iii)             Hybrid computer: This is a computer that is capable of inputting and outputting in both analog and digital, i.e They exhibit features of analog and digital computer. Hybrid computer can resolve more complicated problems.  E.g petrol pump, weather system computation, gas pump station. CLASS ACTIVITY 1. Differentiate betwee
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