__________ is usually faster than __________.
a. High-level I/O, low-level I/O.
b. Low-level I/O, high-level I/O.
c. Low-level I/O, internal data processing.
d. High-level I/O, internal data processing.
b. Low-level I/O, high-level I/O.
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Give an example of a schedule produced by a read-only multiversion concurrency control in which the read/write transactions serialize in commit order while the read-only transactions serialize in a different order.
What will be an ideal response?
Choose the technique below that will provide for accessibility when a web page uses graphics for the main navigation links.
a. configure an alt attribute for each navigation image b. provide text links in the page footer c. provide text hyperlinks in the page footer and configure an alt attribute for each navigation image d. no further action is needed if the image contains text