WORKED EXAMPLES ON DESIGNING OUTPUTS.

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DESIGNING OUTPUTS

WORKED EXAMPLES

10.1 What is the difference between impact and non-impact printers? Give an example of each type of printer.

Impact printers depend on a print head striking a carbon ribbon to transfer a character print on a paper. Non-impact printer does not have a print head. Characters are transferred on paper by a xerographic process. A line printer is an impact printer. A laser is a non-impact printer.

10.2 For what types of outputs are video display units appropriate? What is the main difference in characteristics between video display units and printers? VDU is useful for interactive editing, on-line display of answers to queries, etc. A line printer is used for hard copy reports to be stored and distributed to a number of people.

10.3 What type of output will you use for the following:

(i) Strategic management

(ii) Tactical management

(iii) Operational management

(i) Strategic: Graphs, summaries, pie charts, etc.

(ii) Tactical: Summary reports, exception reports, low volume printing.

Graphical aids are also used to supplement.

(iii) Operational: Detailed printouts. High volume reports.

10.4 What is report generator?

Report generators convert report specifications given in a high level language to formatted printed reports.

10.5 What is the main difference between the design of an output screen for a video terminal and a page layout for a printer?

Display screen size is smaller. As it is on-line, a user has to actively participate in

using the display. Thus instructions must be given to users in a display on what to do next.

10.6 Pick the appropriate graphics for the following applications:

(i) Relative enrollment of students in various departments in a University.

(ii) Growth of student strength in a department over a period of 10 years.

(iii) Sales percent of a product in 6 years of a country.

(iv) Proportion of total revenue of a state from direct taxes, indirect taxes, public loans, land revenue, income from public sector companies, and miscellaneous receipts.

(v) Engineering colleges established in different parts of a country

(i) Pie chart

(ii) Bar chart or trend chart

(iii) Pie chart

(iv) Pie chart

(v) Map of India with data showing colleges in each region.

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