MC The reason the Internet first became popular was:
a) the fact that companies invested large amounts of money to improve business.
b) the fact that it is a free service.
c) it allowed the spread of information quickly and easily.
d) it brought about the creation of e-mail and instant messages
a) the fact that companies invested large amounts of money to improve business.
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The ISDN BRI contains
a. 2 B-channels b. 23 B-channels c. 2 D-channels d. 23 D-channels
Programmers use the /* and */ characters to begin and end a comment
Indicate whether the statement is true or false
If magnetic tape (pre?1980s) was ½ inch wide and stored data in nine tracks at 128 characters/inch, what was the areal density in bits per square inch? What is the areal density ratio between this and the platters of modern disk drives?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. A ControlLogix continuous task is very similar to ladder file 2 in Allen-Bradley SLC 500/MicroLogix or PLC-5 platforms. 2. Periodic tasks are assigned a priority of between 1 and 15. Priority 1 is lowest, and priority 15 is highest. 3. The number of tasks a particular project can have is determined by the specific controller assigned to the project when the project was created. 4. An RSLogix 5000 program is the first level of scheduling within the RSLogix 5000 project. 5. Any routine must be entirely in the same language.