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
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A ______ is composed of fields and records.
A. table B. query C. form D. report
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?
How could you share a newsletter with all the members of your business fraternitywithoutprinting? p. 127–129
What will be an ideal response?
About how much data is typically transferred in each packet or frame?
A. 1 MB B. 1500 bytes C. 15 KB D. 150 bytes