# Computer science test

Jun 17th, 2015
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1(a)What is the difference between call by value and call by reference? Give an example in C++ to illustrate both. (b)Write the names of the header files to which the following belong:

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DEFINATIONBABITEM1Derived quantity (Kuantiti terbitan)DEFINATIONSA physical quantity derived from combinations of base quantities throughmultiplication or division or both multiplication and division.1Error (Ralat)1Hypothesis (Hipotesis)1Inference (Inferens)An initial interpretation or explanation concerning the observation.1Physical quantity (Kuantiti fizik)1Prefix (Imbuhan)1Random error (Ralat rawak)A quantity that can be measured.A word, letter or value used to simplify the description of the magnitude of aphysical quantity that either very big or very small.Error due to mistakes made when making measurement either throughincorrect positioning of the eye or the instrument when makingmeasurement.1Scalar quantity (Kuantiti skalar)1Scientific notation/Standard form(Bentuk piawai)1Sensitivity (Kepekaan)1Systematic error (Ralat sistematik)1Variable (Pembolehubah)1Vector quantity (Kuantiti vektor)A physical quantity that has magnitude and direction.1Zero error (Ralat sifar)1Accuracy (Kejituan)Error due to non-zero reading when the actual reading should be zeroAccuracy of a measurement is how close the measurement made is to theactual value.1Base quantity (Kuantiti asas)1Consistency (Kepersisan)2Displacement (Sesaran)2Distance (Jarak)The total length of the path travelled from one location to another.2Efficiency (Kecekapan)The percentage of the input energy that is transform

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