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Computing quiz

Questão 1 de 4

1

What is an entity in computing?

Selecione uma das seguintes:

  • something that exists in itself, actually or potentially, concretely or abstractly, physically or not. It need not be of material existence.

  • 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.

  • UrGOD

Explicação

Questão 2 de 4

1

Which of these is NOT a feature of DBMS

Selecione uma das seguintes:

  • DBMS allows the user to create, delete and alter the database.

  • DBMS allows the user to alter the data from different places, i.e their desk top computer/tablet computer.

  • DBMS prevents errors as a result of multiple users modifying data at the same time by limiting access.

  • DBMS provides a level of security for data.

  • DBMS only works when a query has been written.

Explicação

Questão 3 de 4

1

Convert the binary number 01101001 to denary

Selecione uma das seguintes:

  • 100

  • 101

  • 102

  • 103

  • 104

  • 105

  • 106

  • 107

  • 108

Explicação

Questão 4 de 4

1

Which of these is an example of a REAL number?

Selecione uma das seguintes:

  • 3.14

  • 4

  • 35

  • 0

Explicação