A(n) ________ is a tiny electrical switch that made second-generation computers faster and more reliable than their predecessors.
a. integrated circuit
b. microprocessor
c. transistor
d. vacuum tube
c. transistor
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A single timing can be placed on every slide in a presentation by clicking the ________ button in the Timings group
Fill in the blank(s) with correct word
Answer the following statements true (T) or false (F)
1. Access control is the central element of computer security. 2. The authentication function determines who is trusted for a given purpose. 3. An auditing function monitors and keeps a record of user accesses to system resources. 4. External devices such as firewalls cannot provide access control services. 5. The principal objectives of computer security are to prevent unauthorized users from gaining access to resources, to prevent legitimate users from accessing resources in an unauthorized manner, and to enable legitimate users to access resources in an authorized manner.
Another name for portable music players or pocket PCs is:
A) portable devices B) portable components C) portable computers D) portable pocket devices
An Image object on a webpage differs from a PictureBox object in where the Image object is stored.
Answer the following statement true (T) or false (F)