February 2025

Small scale energy sources: Wood stove

By |2025-02-12T09:45:48+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Wood stove. Image credit quadrafire.com

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Small scale energy sources and plants:Wood stove

  • A wood stove is a heating appliance capable of burning wood fuel and wood-derived biomass fuel, such as wood pellets.
  • Wood stove are usually made using a combination of metal(iron) and bricks

    • […]

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Weimer Republic: Social Problems

By |2025-02-12T09:02:42+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Soldiers trying to quell civil unrest in Weimer Republic 1920

ZIMSEC O Level History Notes: Dictatorship in Europe: Dictatorship in Germany: Social Problems

  • There were widespread national strikes
  • There were also serious food shortages
  • Unemployment rate was very high
  • Demobilized soldiers caused lawlessness (anarchy)
  • There was also general poverty
  • Hunger and […]
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Safety in the laboratory

By |2025-02-12T09:23:30+02:00February 12th, 2025|Notes, O Level Biology Notes, Ordinary Level Notes|

A typical Biology Laboratory. Image credit ad.edu

ZIMSEC O Level Biology Notes: Safety in the Laboratory

A: Eye Protection

 

  • Wear splash goggles all the time.

B: Clothing and Personal Items

  • Closed shoes must be worn during the entire time that you are in the laboratory to protect you from splashes of chemicals, broken glass, […]
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First Hundred days or the First New Deal

By |2025-02-12T08:58:02+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

People waiting outside a bank before the New Deal

ZIMSEC O Level History Notes: The United States of America (USA) 1920-1939: First Hundred days or the First New Deal

  • The Emergency Banking Act of 1933 saw the closure of all banks for checking by the government with 5000 trusted one reopening […]
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Human Resources Planning

By |2025-02-12T09:16:48+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies Notes: Managing Human Resources: Human Resources Management: Human Resources Planning

  • Human resources planning-involves strategies relating to the acquiring/hiring, retention, utilization, improvement and retrenchment of employees within the organisation.
  • The process involves planning and anticipating the organisation’s human resources needs
  • For example on a farm there might be need for temporary/seasonal workers during harvest and […]
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Advantages and Disadvantages of Primary Research

By |2025-02-12T09:39:06+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies Notes: Marketing: Advantages and Disadvantages of Primary Research

  • Primary research has a number of advantages and disadvantages

Advantages of Primary Research

  • It is up to date
  • Produces high quality which the business can control and
  • It provides relevant information to the issue being researched at that particular moment
  • The business can control coverage of research

    • […]

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Marketing: Introduction to Elasticity of Demand

By |2025-02-12T09:13:44+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies Notes: Marketing:Introduction to Elasticity of Demand

  •  Elasticity of demand to which demand for a good or service varies with its price
  • It is a measure of how sensitive or how responsive is demand to changes in the price of a product
  • An elastic product is a product whose demand is sensitive or responsive to […]
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Methods of controlling quality

By |2025-02-12T09:32:39+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

  • Quality is fitness for a particular purpose
  • Quality means the produced product meets customer expectations
  • Various methods are used by businesses to achieve and maintain quality
  • These methods include:

Quality Control

  • Quality control is the process of checking quality at the end of the production line to ensure that it meets set benchmarks and standards

Quality Assurance

  • is a more comprehensive […]
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Introduction to break even analysis

By |2025-02-12T09:17:47+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies Notes: Business Finance and Accounting: Introduction to break even analysis

  • It is a simple decision making aid used to discover the level of output/activity that is required before profits are made
  • It can also be used to discover the level of activity/output required to achieve a set level of profits
  • Break even analysis is […]
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Principles of Accounting: Electronic Data Processing

By |2025-02-12T08:59:53+02:00February 12th, 2025|Notes, Ordinary Level Notes, Principles of Accounts Notes|

ZIMSEC O Level Principles of Accounting Notes: Electronic Data Processing

  • With the advent of computers electronic data processing has become prevalent
  • Electronic data processing is the use of computers in recording, classifying, manipulating,presenting and summarizing data
  • In the early days of computers electronic processing was rather limited
  • At first it involved the use of electronic calculators to aid manual […]
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