Which of the following works closely with users to analyze their requirements, designs and develops new information systems, and incorporates new technologies?
A. systems programmer
B. database designer
C. systems analyst
D. web developer
Answer: C
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Answer the following statements true (T) or false (F)
1. Pseudocode must be written in an editor capable of understanding it and the language to which it pertains. 2. With sequential execution, statements execute one after the other in the order in which they appear in the program. 3. Control statements cannot be placed inside other control statements. 4. The If…Then statement is a single-repetition statement. 5. The If…Then selection statement performs an action if a condition is true or skips the action if the condition is false
Outline the design of a scheme that uses message retransmissions with IP multicast to overcome the problem of dropped messages. Your scheme should take the following points into account: i) there may be multiple senders; ii) generally only a small proportion of messages are dropped; iii) unlike the request-reply protocol, recipients may not necessarily send a message within any particular time limit. Assume that messages that are not dropped arrive in sender ordering.
What will be an ideal response?
In the accompanying figure, all the layers are visible.
Answer the following statement true (T) or false (F)
What type of technology can add geographical identification data to media such as digital photos taken on a mobile device?
A. GPS locating B. GeoData tagging C. GPS marking D. GPS tagging