A ________ enables individuals to add a command button to a form or report that will perform an action when the button is clicked

Fill in the blank(s) with correct word


button control

Computer Science & Information Technology

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A ______ is composed of fields and records.

A. table B. query C. form D. report

Computer Science & Information Technology

A scheme for implementing at-most-once reliable message delivery uses synchronized clocks to reject duplicate messages. Processes place their local clock value (a ‘timestamp’) in the messages they send. Each receiver keeps a table giving, for each sending process, the largest message timestamp it has seen. Assume that clocks are synchronized to within 100 ms, and that messages can arrive at most 50 ms after transmission.

a) When may a process ignore a message bearing a timestamp T, if it has recorded the last message received from that process as having timestamp T ? b) When may a receiver remove a timestamp 175,000 (ms) from its table? (Hint: use the receiver’s local clock value.) c) Should the clocks be internally synchronized or externally synchronized?

Computer Science & Information Technology

How could you share a newsletter with all the members of your business fraternitywithoutprinting? p. 127–129

What will be an ideal response?

Computer Science & Information Technology

About how much data is typically transferred in each packet or frame?

A. 1 MB B. 1500 bytes C. 15 KB D. 150 bytes

Computer Science & Information Technology