IT Implementation

Question 1

What is involved in a structured approach to systems development

Answer 1

Identify roles and resp.
Est. activities and critical development path
Define project review and approval in development

Question 2

What are roles in the SDLC? (systems dev life cycle)

Answer 2

IT Steering committee
Lead systems analyst
Systems Analysts app programmers
End users

Question 3

What does the IT steering committee do?

Answer 3

Review, approve, and prioritze systems dev proposals for development

Question 4

What does the lead systems analyst do?

Answer 4

Manages dev team and projects.
Direct contact with end users
Resp. for developing overall programming logic and functionaltiy

Question 5

What do system analysts and app programmers do?

Answer 5

Design, create, and test system/programs/controls in partnership with users

Question 6

End users

Answer 6

identify problems and often suggest first pass solutions

Question 7

Cold turkey implementation approach

Answer 7

Sink or swim. Old stops, new starts.

Question 8

Phased implementation

Answer 8

the system divided into modules that are brought on one line at a time.

Question 9

Analysis stage

Answer 9

system analysts work with end users to understand and doc biz processes and system requirements. All parties sign off on the requirements definition to signify their agreement with the projects goals and processes at this stage.

Question 10

Parallel implementation

Answer 10

the new and old systems run concurrently until it is clear that the new system is working properly

Question 11

Pilot implementation

Answer 11

Users are divided into groups and are trained on the new system one group at a time.

Question 12

Implementation stage

Answer 12

the process of moving from the old to the new system

Question 13

What are the stages of the SDLC? systems dev life cycle

Answer 13

Planning and feasibility study
Analysis
Design
Development
Testing
Implementation
Maintenance

Question 14

What are the functions of a source program library mgmt system (SPLMS)?

Answer 14

Store programs in the source program library (SPL)
Retrieve programs for updating and maintenance.
Delete obsolete programs
Audit trail - document program changes

Question 15

What type of documentations would a computer operator use to determine how to set up and run a specific computer app?

Answer 15

run manual - instructions for the comp operator on the use of the program

Question 16

What document would be most useful to an untrained user to learn how to correct data errors in a database?

Answer 16

user documentation

Question 17

What is an example of an app input control?

Answer 17

an edit check

Question 18

What does a source code comparison program do?

Answer 18

it compares an archived version of the program to the program actually in use (to verify that the program is free of unauthorized changes)

Question 19

What is a record count?

Answer 19

a count of the number of records in a BATCH

Question 20

What controls are found in a batch processing system?

Answer 20

Financial control totals
Check Digits
Limit checks

Question 21

What does a validity check do?

Answer 21

compares the value entered in a field to a list of valid data values, an error msg is displayed if the value is not found on the list.

Question 22

what does a reasonableness check?

Answer 22

that dates are entered correctly - April 31 (not 30 days in april)
That hourly rates make sense (1,800 salary accidentally entered as an hourly rate)

Question 23

What is key verification used to confirm?

Answer 23

the accuracy of password

Question 24

Closed loop verification

Answer 24

causes additional information about a data entry field to be displayed