System Analysis and Design Direct-access organization uses an index for each key type has records placed randomly throughout the file means storing records in contiguous blocks according to a key. Stores records sequentially but uses an index to locate records uses an index for each key type has records placed randomly throughout the file means storing records in contiguous blocks according to a key. Stores records sequentially but uses an index to locate records ANSWER DOWNLOAD EXAMIANS APP
System Analysis and Design Advantages of data base system is (are) data are stored once in the data base and are easily accessible when needed storage space duplication is eliminated all of the listed here all applications share centralized files data are stored once in the data base and are easily accessible when needed storage space duplication is eliminated all of the listed here all applications share centralized files ANSWER DOWNLOAD EXAMIANS APP
System Analysis and Design In data-flow diagrams, an originator or receiver of the data is usually designated by a rectangle None of these a circle an arrow a square box a rectangle None of these a circle an arrow a square box ANSWER DOWNLOAD EXAMIANS APP
System Analysis and Design All of the following tools are used for process descriptions except: None of these structured english decision tables data dictionaries pseudocode None of these structured english decision tables data dictionaries pseudocode ANSWER DOWNLOAD EXAMIANS APP
System Analysis and Design When desk-checking an algorithm, you should set up a table that contains _____. One column for each input item Both a and b One column for each processing item One column for each output item a, b, and c One column for each input item Both a and b One column for each processing item One column for each output item a, b, and c ANSWER DOWNLOAD EXAMIANS APP
System Analysis and Design The black-box concept: All of these is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box. assumes that the black box is independent assumes that inputs and outputs will remain stable None of these All of these is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box. assumes that the black box is independent assumes that inputs and outputs will remain stable None of these ANSWER DOWNLOAD EXAMIANS APP