What is a missing or unknown value?
a. ZERO
b. EMPTY
c. NOTHING
d. NULL
d. NULL
Computer Science & Information Technology
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Which of the following statements about primary storage is true?
A. Primary storage is the same as virtual memory. B. Primary storage is volatile. C. Primary storage is a storage format that can store data and application when the system in not in use. D. Primary storage is memory that is access sequentially.
Computer Science & Information Technology
Which of the following provides high speed or broadband networking at speeds over 384kbps using phone lines?
A. Bluetooth B. DSL C. VPN D. Dial-up modem
Computer Science & Information Technology