2598237
Questão 1
Questão
What is an entity in computing?
Responda
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something that exists in itself, actually or potentially, concretely or abstractly, physically or not. It need not be of material existence.
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an existing or real thing. The word root is from the Latin, ens , or being, and makes a distinction between a thing's existence and its qualities. An entity exists and that's all it needs to do to be an entity. The fact that something exists also seems to connote separateness from other existences or entities.
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UrGOD
Questão 2
Questão
Which of these is NOT a feature of DBMS
Responda
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DBMS allows the user to create, delete and alter the database.
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DBMS allows the user to alter the data from different places, i.e their desk top computer/tablet computer.
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DBMS prevents errors as a result of multiple users modifying data at the same time by limiting access.
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DBMS provides a level of security for data.
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DBMS only works when a query has been written.
Questão 3
Questão
Convert the binary number 01101001 to denary
Responda
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100
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101
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102
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103
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104
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105
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106
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107
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108
Questão 4
Questão
Which of these is an example of a REAL number?
Responda
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3.14
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4
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35
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0
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