mcq_m7 - System Analysis and Design/Data Oriented Systems...

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System Analysis and Design/Data Oriented Systems Design Multiple Choice Questions 7.1 A data dictionary has consolidated list of data contained in (i) dataflows (ii) data stores (iii) data outputs (iv) processes a. (i) and (iii) b. (i) and (ii) c. (ii) and (iv) d. (i) and (iv) 7.2 A data dictionary is useful as (i) it is a documentation aid (ii) it assists in designing input forms (iii) it contains al data in an application including temporary data used in processes (iv) it is a good idea in system design a. (i) and (ii) b. (i) and (iv) c. (i),(ii) and (iii) d. (i) and (iv) 7.3 By metadata we mean a. very large data b. data about data c. data dictionary d. meaningful data 7.4 A data dictionary is usually developed a. At requirements specification phase b. During feasibility analysis c. When DFD is developed d. When a datadase is designed 7.5 A data dictionary has information about a. every data element in a data flow b. only key data element in a data flow c. only important data elements in a data flow d. only numeric data elements in a data flow 7.6 A data element in a data dictionary may have a. only integer value b. no value c. only real value d. only decimal value V. Rajaraman/IISc. Bangalore M7/V1/July 04/1
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System Analysis and Design/Data Oriented Systems Design Multiple Choice Questions 7.7 A data element in a data flow (i) may be an integer number (ii) may be a real number (iii)may be binary (iv)may be imaginary a. (i),(ii),(iv) b. (iii),(iv),(ii) c. (i),(ii),(iii) d. (i) and (ii) 7.8 It is necessary to carefully design data input to a computer based system because a. it is good to be careful b. the volume of data handled is large c. the volume of data handled is small d. data entry operators are not good 7.9 Errors occur more often when a. data is entered by users b. data is entered by operators c. when data is handwritten by users and entered by an operator d. the key board design is bad 7.10 Good system design prevents data entry errors by (i) Designing good forms with plenty of space to write in block capitals (ii)By giving clear instructions to a user on how to fill a form (iii)Reducing keystrokes of an operator (iv)Designing good keyboard a. i, ii, iii b. i, ii, iv c. i, ii d. iii and iv 7.11 In on-line data entry it is possible to a. Give immediate feedback if incorrect data is entered b. Eliminate all errors c. Save data entry operators time d. Eliminate forms 7.12 The main problems encountered in off-line data entry are: (i)Data are entered by operators V. Rajaraman/IISc. Bangalore M7/V1/July 04/2
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This note was uploaded on 08/29/2010 for the course CBEAM SAD taught by Professor Smiths during the Spring '10 term at De La Salle Lipa.

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mcq_m7 - System Analysis and Design/Data Oriented Systems...

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