Answer the following statements true (T) or false (F)

1. Systems and subsystems are interrelated and interdependent.
2. Feedback is a form of system control.
3. Anything which affects the functioning of an organization is considered to be an environment.
4. An open system allows free passage of resources (people, information, materials) through its boundaries.
5. A context-level data flow diagram includes many detailed processes representing the computer programs within the system.


1. TRUE
2. TRUE
3. FALSE
4. TRUE
5. FALSE

Computer Science & Information Technology

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Actions and behaviors refer to the same thing.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Each of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 are written on a slip of paper, and the slips are placed in a hat. If three slips of paper are selected at random without replacement, find the probability that the three numbers selected will be greater than 2.

A.
B.
C.
D.
E.

Computer Science & Information Technology

Many people use a(n) _________ to find specific businesses or content on the web.?

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

Computer Science & Information Technology

Excel matches the lookup_value "tom" with the entry "TOM" in a lookup table.

a. true b. false

Computer Science & Information Technology