Rename a file called Xfile to Zfile
What will be an ideal response?
MV Xfile Zfile
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Which of the following statements is NOT true about a mainframe computer?
A. A single computer with a single user istypical of a mainframe computer. B. A mainframe computer provides the computing and storage capacity to meet massive data processing requirements. C. A mainframe computer offers users high performance and excellent system availability. D. A wide range of application software has been developed to run in the mainframe environment.
Which of the following is TRUE about bitmap images?
A) Bitmap image clarity is not of photograph quality. B) Bitmap images are similar to connect-the-dot images. C) Bitmap images are created by mathematical statements. D) Bitmap images can become pixelated.
The algorithm ____ is used to find the elements in one range of elements that do not appear in another range of elements.
A. set_union B. set_difference C. set_join D. set_innerjoin
____ polymorphism is the ability of one method to work appropriately for subclasses of the same parent class.
A. Subtype B. Name C. Supertype D. Override