Options: passes lower-frequency signals and reduces higher-frequency signals, passes higher-frequency signals and reduces lower-frequency signals, has no effect on ac signals, increases the level of all frequencies by a significant amount
Options: (A)It is hidden within a database and can only be recovered if one is given certain clues (an example IS encrypted information) (B) The process of executing implicit previously unknown and potentially useful information from data(C) An extremely complex molecule that occurs in human chromosomes and that carries genetic information in the form of genes. (D) None of these 3
Data transformation includes which of the following?
Options: A process to change data from a detailed level to a summary level, A process to change data from a summary level to a detailed level, Joining data from one source into various sources of data, Separating data from one source into various sources of data
4.In Microsoft PowerPoint one way to make a PowerPoint slide display animations is to
Options: (A)Select the slide in normal view; and click Format, Animation (B) Click the PowerPoint window and move it around vigorously with the mouse for a manual animation effect (C) Select the slide in slide sorter view, right click and choose preset animations from the shortcut menu (D) PowerPoint does not have an animation feature 6
Options: the period in which the moon completes an orbit around the earth, the period in which the moon completes an orbit around the earth and returns to the same positions in the sky, the period of rotation of moon, None of the above
Options: (A)These system runs on a single processor or an integrated group of processors (B) A system where each sub-system can respond to generated events where the events might be generated from other sub-systems or from the environment of the system. (C) A system continues in operation after some system faults have manifested themselves. (D) A system whose operation is incorrect, if results are not produced according to the timing specifications 14
. Which statement is valid about computer program?
Options: A) High level languages must be converted into machine language to execute
B) High level langage programs are more efficient and faster to execute
C) It is more difficult to identify errors in high level language program than in low level programs
D) All of above