Africa software tenders

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Software is a collection of instructions that tell a computer how to work. This is in contrast to hardware, from which the system is built and which actually performs the work. Machine language consists of groups of binary values signifying processor instructions that change the state of the computer from its preceding state. For example, an instruction may change the value stored in a particular storage location in the computer—an effect that is not directly observable to the user. An instruction may also invoke one of many input or output operations, for example displaying some text on a computer screen; causing state changes which should be visible to the user. The processor executes the instructions in the order they are provided, unless it is instructed to "jump" to a different instruction, or is interrupted by the operating system. The majority of software is written in high-level programming languages. They are easier and more efficient for programmers because they are closer to natural languages than machine languages. High-level languages are translated into machine language using a compiler or an interpreter or a combination of the two. Software may also be written in a low-level assembly language, which has a strong correspondence to the computer's machine language instructions and is translated into machine language using an assembler.

Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30. 3 million km2 (11. 7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area and 20% of its land area. With 1. 3 billion people as of 2018, it accounts for about 16% of the world's human population. Africa's population is the youngest amongst all the continents; the median age in 2012 was 19. 7, when the worldwide median age was 30. 4. Despite a wide range of natural resources, Africa is the least wealthy continent per capita, in part due to geographic impediments, legacies of European colonization in Africa and the Cold War, predatory/neo-colonialistic activities by Western nations and China, and undemocratic rule and deleterious policies. Despite this low concentration of wealth, recent economic expansion and the large and young population make Africa an important economic market in the broader global context. Countries in Africa Nigeria, Ethiopia, Egypt, DR Congo, Tanzania, South Africa, Kenya, Uganda, Algeria, Sudan, Morocco, Angola, Mozambique, Ghana, Madagascar, Cameroon, Côte d'Ivoire, Niger, Burkina Faso, Mali, Malawi, Zambia, Senegal, Chad, Somalia, Zimbabwe, Guinea, Rwanda, Benin, Burundi, Tunisia, South Sudan, Togo, Sierra Leone, Libya, Congo, Liberia, Central African Republic, Mauritania, Eritrea, Namibia, Gambia, Botswana, Gabon, Lesotho, Guinea-Bissau, Equatorial Guinea, Mauritius, Eswatini, Djibouti, Comoros, Cabo Verde, Sao Tome & Principe, Seychelles.