Frequencies of EM waves are often measured in ________, which is the equivalent of one thousand cycles per second

A) hertz B) megahertz C) kilohertz D) gigahertz


C

Computer Science & Information Technology

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____________________ is a set of instructions held semi-permanently in special ROM chips on the motherboard.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

Countering efforts by foreign countries to steal our nation's secrets, evaluating the capabilities of terrorists in a digital age, and ____ are the FBI's highest priorities.

A. investigating crimes involving foreign currency B. arresting local bank robbers C. fighting cyber crime D. murder

Computer Science & Information Technology

Which of the following is not correct about queries and SQL?

A) When you create a query Access creates the SQL statements automatically. B) SQL uses the same command set as VBA, except that it is used for queries instead of macros. C) SQL helps you ask a question of the data in your database. D) Access stores SQL statements in the background.

Computer Science & Information Technology

What essential part of the operating system communicates with the BIOS, device drivers, resource managers, and APIs to coordinate operating system functions?

A. CMOS B. Kernel C. RAM D. CPU

Computer Science & Information Technology