In the figure above, the number 3 refers to the ____________________ button.

Fill in the blank(s) with the appropriate word(s).


Indicates channel visibility

Computer Science & Information Technology

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Because a channel and the computer are independent, the main processor has no way of knowing when an I/O operation is completed unless the channel tells it. Thus as the last character of data flows across the channel, the channel processor sends the main processor an electronic signal called a(n) __________.

a. interrupt b. The premise of this question is false. c. I/O signal d. control signal

Computer Science & Information Technology

RFC 2196: Site Security Handbook is produced by ____.

A. the ISO B. NIST C. the Security Area Working Group D. the Federal Agency Security Practices

Computer Science & Information Technology

Case EX 6-1Mariana is working at a computer that was passed on to her by another employee. She wants to add comments to several cells of a worksheet.To change the username, click the ____ tab, and then click Options in the navigation bar.

A. File B. Home C. Insert D. Data

Computer Science & Information Technology

When overloading an operator, the meaning of how an operator works with built-in types remains the same.

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

Computer Science & Information Technology