FINAL EXAM (M1S1) PART 2

Question 1

input is also modified to enable the “__________” to handle information

Answer 1

Processor

Question 1

this means that as the output specification change so does the?

Answer 1

Processing

Question 2

it guides the system.

Answer 2

Control

Question 3

it is the decision making subsystem that “___________” the pattern of activities governing input, processing and output.

Answer 3

Control

Question 4

measures output against a standard in some form of cybernetic procedure that includes communication and control.

Answer 4

Feedback

Question 5

reinforces the performance of the system.

Answer 5

Positive Feedback

Question 6

generally provides the controller with information for action.

Answer 6

Negative Feedback

Question 7

is the “suprasystem” within which an organization operates. it is the source of external elements that impinge on the system.

Answer 7

Environment

Question 8

it often determines how a system must function.

Answer 8

Environment

Question 9

the limits that identify its components, processes and interrelationship when it interfaces with another system.

Answer 9

Boundaries

Question 10

each system has “__________” that determine its sphere of influence and control

Answer 10

Boundaries

Question 11

Types of System

Answer 11

1. Physical or Abstract
2. Open or Close
3. Man Made information system

Question 12

are tangible entities that may be static or dynamic in operation.

Answer 12

Physical Systems

Question 13

a programmed computer is a?

Answer 13

Dynamic System?

Question 14

are non-physical entities or conceptual that may be formulas, representation or model of a real system.

Answer 14

Abstract System

Question 15

has many interfaces with its environment. it permits interaction across its boundary. it receives input and delivers output to the outside.

Answer 15

Open System

Question 16

isolated from environmental influences;

Answer 16

Close System

Question 17

Characteristics of Open System:

Answer 17

1. Input from outside
2. Entropy
3. Process, output and cycles
4. Differentiation
5. Equi-Finality

Question 18

Open system are self adjusting and self regulating

Answer 18

Input from Outside

Question 19

all dynamic system tent to run down overtime, resulting in “___________” or loss of energy.

Answer 19

Entropy

Question 20

Open Systems produce “________________” following a continuous path.

Answer 20

Process, Output and cycles

Question 21

Open system have a tendency toward an increasing specialization of functions and a greater “____________” of their components.

Answer 21

Differentiation

Question 22

the terms are implied the goals are achieved through differing courses of action and a variety of paths.

Answer 22

Equi-Finality

Question 23

is the basis for interaction between user and the analyst. it provides instructions, commands and feedback.

Answer 23

Information System

Question 24

it determines the nature of relationships among decision-makers. it may be viewed as a decision center for personnel at all levels.

Answer 24

Information system.

Question 25

may be defines as set of devices, procedures and operating systems designed around user-based criteria to produce information and communicate it to the user for planning, control and performance.

Answer 25

Information System

Question 26

is based on the organization represented by the organization chart (Authority).

Answer 26

Formal Information system

Question 27

are used to show the benefits of abstracting complex system to model form.

Answer 27

System Models

Question 28

The analyst begins by modeling this reality before considering the functions that the system is to perform;

Answer 28

System Model

Question 29

System Models:

Answer 29

1. Schematic 2. Flow 3. Dynamic 4. Static