A(n) __________ lock is useful for a situation in which__________
a) spin lock; the system load is high
b) read/write lock; the protected resource is often accessed without being altered
c) sleep/wakeup lock; system load is light.
d) adaptive lock; system load is static.
b) read/write lock; the protected resource is often accessed without being altered
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In the statement cout << *p1;, the * is called the ________________
Fill in the blank(s) with the appropriate word(s).
An HTML ____________________ is a collection of HTML elements used to gather data that a user enters online.
Fill in the blank(s) with the appropriate word(s).
A direct message is essentially a ________, with its inherent 140-character limit, sent directly and privately to another user
A) tweet B) Tweeter C) projected tweet D) retweet
IPv6 is unlikely to run out of available IP addresses because it enables 2128 addresses.
Answer the following statement true (T) or false (F)