The last 31 bits of a traditional IBM mainframe’s PSW hold the __________.

a. instruction address
b. interrupt mask
c. protection key
d. task’s state


a. instruction address

Computer Science & Information Technology

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The class __________ is an ancestor class of all Java classes.

(a) String (b) Object (c) Math (d) JFrame

Computer Science & Information Technology

The expression in parentheses following the keyword switch is called a __________.

a) guard condition b) controlling expression c) selection expression d) case expression

Computer Science & Information Technology

The Computer Security Act of 1987 is the cornerstone of many computer-related federal laws and enforcement efforts; it was originally written as an extension and clarification of the Comprehensive Crime Control Act of 1984.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

____ displays are transparent; the portion of the display that does not currently have an image displayed (and the entire display device when it is off) is nearly as transparent as glass, so the user can see through the screen.

A. TOLED B. TLED C. TDOE D. TLED

Computer Science & Information Technology