The OS shell allows access to the operating system services
Answer:
Option D
Explanation:
Complete question
A management information system is typically used by _____.
A. all levels of employees
B. company executives
C. upper-level managers
D. middle-level managers
Solution
A management information system is typically used by middle-level managers
Option D is the correct answer
Management information system (MIS) helps the middle managers to control the work across the various teams of organization.
Give the type and value of each result of the following Java expressions. a. (5 / 2) * 2.0 type is float value is 4.0 b. (5/2.0) * 2 type is integer value is 5c. "1.3" + "5.2" type is string value is 1.35.2d. 1 + 7.0 + "2" + "x" this will produce an error because we cannot add variables of different type
Answer and explanation : The TCP/IP means TRANSMISSION CONTROL PROTOCOL AND INTERNET PROTOCOL It governs all the communication which are performed over network it has a set of protocol. It defines how different types of conversation are performed without any fault through a network
THERE ARE 5 TYPES OF LAYER IN TCP/IP MODEL
- APPLICATION LAYER: It is present at upper level it is used for high level products for the network communication
- TRANSPORT LAYER: This layer is used for transfering the message from one end to other end
- NETWORK LAYER : Routers are present in network layer which are are responsible for data transmission
- DATALINK LAYER : it is used when there is any problem in physical layer for correcting this datalink are used
- PHYSICAL LAYER: Physical; layer are responsible for codding purpose which we used in communication process
