System calls are said to be expensive because
A. they use CPU time
B. computer centers charge a fee for each system call
A. they use CPU time
Computer Science & Information Technology
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Files static method ________ receives a Path and returns a boolean indicating whether that Path represents a directory on disk.
a. isDiskDirectory b. isDirectory c. isFileDirectory d. isPath
Computer Science & Information Technology
Which of the following is a unique 32-character hex string that uniquely identifies VMs?
A. IP address B. GUID C. MAC address D. System ID
Computer Science & Information Technology
The top-most area of a document that includes information such as the document title and the author's name is called a ________
A) tab B) footer C) margin D) header
Computer Science & Information Technology
Apple is the only manufacturer of iPads and currently maintains ________ size(s) for iPads
Fill in the blank(s) with correct word
Computer Science & Information Technology