Define synchronous and asynchronous communications.
What will be an ideal response?
Synchronous communications are continuous bursts of data controlled by a clock signal that starts each burst. Asynchronous communications occur in discrete units, each delimited by start and stop bits.
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?Identify the letters of the choices that best match the phrases or definitions.
A. ?It a line of text placed at the top of a column. B. ?It is placed at the start of each row to identify the row content. C. ?It is used to mark table cell content that is not the head of a row or column. D. ?The boundary around the entire table is hidden but a 1-pixel blue boundary is assigned to the cells within the table. E. ?They are created by adding therowspanandcolspanattributes to eithertdorthelements. F. ?It appears before the table body group. G. ?It is used to move the cell text in a table. H. ?They are often used for database applications that read the contents of HTML files. I. ?The table features are hidden as it does not use the table header or footer. J. ?It acts like the basis value for items in a flexbox.
The wildcard character that represents any combination of characters in query criteria is the ____.
A. asterisk (*) B. exclamation point (!) C. tilde (˜) D. question mark (?)