The digital video and audio compression schemes that compress a video for delivery and then decode it during playback are called ____________________.
Fill in the blank(s) with the appropriate word(s).
codecs.
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Answer the following statements true (T) or false (F)
1) The Python function get_input receives input from the user. 2) A valid Python arithmetic expression with no parentheses is evaluated left to right. 3) The following are invalid variable names: 3g, 87 and 2h. 4) The operator != is an example of a relational operator. 5) A variable name identifies the kind of information stored in the object.
Which of the following refer to the same topic?
a) Early binding. b) Late binding c) Virtual functions d) Polymorphism e) Static binding
Consider a document that contains a list of professors (name, Id, department Id) and a separate list of classes taught (professor Id, course code, semester). Use aggregate functions of XQuery to produce the following documents:
a. A list of professors (name, Id) with the number of di?erent courses taught by each professor. b. A list of departments (department Id) along with the number of di?erent courses ever taught by the professors in them. (The same course taught in di?erent semesters or a course taught in the same semester by di?erent professors is counted as one.)
Memory ____ is a method used to store data or programs in SRAM for quick retrieval.
Fill in the blank(s) with the appropriate word(s).