Processes on a data flow diagram:
A) transform incoming data into outgoing information.
B) represent the system boundaries.
C) represent the work that a specific user performs.
D) change the nature of the relationships on an entity-relationship diagram.
A) transform incoming data into outgoing information.
Computer Science & Information Technology
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Which two things best describe a router's role in a WAN?
a. A multiport internetworking device used in carrier networks b. Can support multiple telecommunications interfaces c. Concentrates dial-in and dial-out user communications d. Converts carrier-line frames into frames that the LAN can interpret e. Needs a CSU/DSU or modem to connect to the POP
Computer Science & Information Technology
A(n) ____ cell is a cell without any content.
A. empty B. void C. swipe D. zero
Computer Science & Information Technology