Options: (A)Hazard cannot arise due system design. (B) The probability of the event occurring which create a hazard. (C) An assessment of the worst possible damage, which could result from a particular hazard. (D) A condition with the potential for causing or contributing to an accident. 18
Options: (A)A subdivision of a set of examples into a number of classes (B) Measure of the accuracy, of the classification of a concept that is given by a certain theory (C) The task of assigning a classification to a set of examples (D) None of these 1
7.In Excel which of the following is a correct order of precedence in formula calculation?
Options: (A)Multiplication and division exponentiation positive and negative values (B) Multiplication and division, positive and negative values, addition and subtraction (C) Addition and subtraction, positive and negative values, exponentiation (D) All of above 15
Which one of the following statements is true for the voltages in a series RL circuit?
Options: The total voltages is equal to the sum of the voltages across the resistance and inductance, The voltage always has the same amplitude and phase for every part of the circuit, The total voltage is less than the sum of the voltages across the resistance and inductance, The total voltage lags the total current by less than 90
9.Match the following: A- Formal mathematical transformation: B- Formal process model: C-Formal Specifications: D-Formal System development: 1- Here the formal mathematical representation of the system takes place. 2- It is a starting point for process analysis. It is abstract and only defines the principal process activities and deliverables. 3-Specifications expressed in a language whose vocabulary, syntax and semantics are formally defined. 4-It is more common to waterfall model, but here the development process is based on formal mathematical transformation of a system specification to an exactable program.
Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?
9.In Excel the numbers in our worksheet look like this: 100 0.You want them to look like this: $1,000.00.How can you accomplish this?
Options: (A)None of these (B) Select Format > Money from the menu (C) Click the Currency Style button on the formatting toolbar (D) You have to retype everything and manually add the dollar signs, commas, and decimals. 16
Options: two internal refractions before emerging out of the drop, one internal refractions before emerging out of the drop, no internal refraction, either one or two internal refractions before emerging out of the drop