Case Study

LO: Understand the scenario of the 2011 case study and the software required.

Learning outcome: Give correct response to exam-type questions

Key words:

Liquid Silver, On-line purchasing, Validation, Encoding, Computer workstations, Health and safety

Liquid SilverA Rock band

which is becoming more popular. They have a growing

fan club.

Despite the fact that their music is

really lousy!

They have a small office which runs the admin for their fan club

The office has a number of

networked PCs.

Question …

What types of topology could the company use to link the computers?

Star Ring Line/Bus

What are the advantages and disadvantages of each?

Liquid Silver have a website . . .

What is the purpose of maintaining the website?

Provide background information about the band

Fans can request email updates

Provide facility to join the fan club on-line(or by posting a hand-written form)

Purchase merchandise

Question

List reasons why fans may wish to purchase items over the internet rather than calling and using a credit card?

Easy to search

Can see items

Better security

No waiting if busy

Advantages of an online store

Open 24/7

Don’t have to leave home

Saves money travelling

Easier to search for specific items

Less staff needed to take orders

Open to a wider customer base(e.g. people out of town.)

Question

Liquid silver are planning a 2012 tour. DTP is used to create publicity. What features of DTP make this the best type of software?FramesStylesheets

TemplatesFormatting (advanced)

Graphics (e.g. wrapping)

Using text wrap

This is an example of text wrapping- describe the process of taking an image of a book from the website and wrapping text in a DTP application.

1 Open the website, navigate to the correct page

2 Copy (or save) the image

3 Switch to the DTP application, go to the correct place

4 Paste (or insert) the image

5 Set to ‘wrap’ under the image properties

6 Click away from the image, enter the text

Key features of Databases

Sort by value (queries) Search for records (queries) Share between different users Reports (Output different layout)

General Office admin tools:Databases

Members_File (Database)

Mem No. Surname Forename Contact Number

Postcode Gender

01267 Jameson Katherine 0191201798 ND3 6YA F

10023 Whattaker Barney 0677108715 NS9 4BA M

00876 Lui James 0292652715 BC3 7SB M

The field Mem No. is the key field, what is a key field and why is it used?

It is a unique reference to a single record. It is used to refer to the record in another file/table (foreign key)

Members_File (Database)

Mem No. Surname Forename Contact Number

Postcode Gender

01267 Jameson Katherine 0191201798 ND3 6YA F

10023 Whattaker Barney 0677108715 NS9 4BA M

00876 Lui James 0292652715 BC3 7SB M

What is validation, and why is it used?

Validation is a software check to ensure that the data entered is reasonable

Members_File (Database)

Mem No. Surname Forename Contact Number

Postcode Gender

01267 Jameson Katherine 0191201798 ND3 6YA F

10023 Whattaker Barney 0677108715 NS9 4BA M

00876 Lui James 0292652715 BC3 7SB M

Name the types of validation which can be applied to the field Gender

PresenceLengthType

Members_File (Database)

Mem No. Surname Forename Contact Number

Postcode Gender

01267 Jameson Katherine 0191201798 ND3 6YA F

10023 Whattaker Barney 0677108715 NS9 4BA M

00876 Lui James 0292652715 BC3 7SB M

Describe the steps needed to apply validation to the Gender field so that only the values F or M will be accepted.

1. Enter the Members_File and enter design view

2. Click on the Gender Field

3. Enter the validation rule: “M” or “F”

4. Optionally, enter the validation text: “Please enter M or F”

5. Save the changes

Key features of spreadsheets

Formulas used to make calculations

Appearance (formatting) using features like cell fill and conditional formatting

Graphs and charts to display data.

General Office admin tools:Spreadsheets

Stock_Detail file (Spreadsheet)A B C D E

1 Item Cost Price Selling Price Opening Stock Closing Stock

2 T Shirt £15.00 £18.00 250 102

3 Bag £20.00 £24.00 300 134

4 Wallet £12.00 £14.40 120 40

If the Selling Price is worked out as a formula based on the Purchase price, what formula would you expect to see in cell C2?

=B2*1.2 =B2+(B2/5) =(B2/5)+B2

Answer: Any of the following:

Stock_Detail file (Spreadsheet)

What formula would you expect to see in cell F2?

=D2-E2

A B C D E F G H

1 Item Cost Price

Selling Price

Opening Stock

Closing Stock

Amount Sold

Reorder (<100)

Takings

2 T Shirt £15.00 £18.00 250 102 148 N £2664

3 Bag £20.00 £24.00 300 134 166 N £3984

4 Wallet £12.00 £14.40 120 40 80 Y £1152

Stock_Detail file (Spreadsheet)

What function would you expect to see in cell G3?

=IF

A B C D E F G H

1 Item Cost Price

Selling Price

Opening Stock

Closing Stock

Amount Sold

Reorder (<100)

Takings

2 T Shirt £15.00 £18.00 250 102 148 N £2664

3 Bag £20.00 £24.00 300 134 166 N £3984

4 Wallet £12.00 £14.40 120 40 80 Y £1152

(F3<100 ,“Y”,”N”)

Network Manager

Responsible for ...

Maintenance (for when things go wrong)

Security (e.g. AV and Firewall)

Logins

Backups

Installing software

Network Manager

Responsible for ...

aintenance (for when things go wrong)

ecurity (e.g. AV and Firewall)

ogins

ackups

nstalling software

Go through that again please Kyezha ...

L

I

M

B

S

What is a workstation?

Three main problems ...Using a computer for hours on end can cause

RSI (Repetative Strain Injury)

Eye Strain

Circulation / back problems

Three main solutions

Take regular breaksIncluding walking around, looking away.

Buy the correct equipmentChair with backrest, ergonomicaly-designed keyboard

Adjust and arrange Monitor at eye level, chair position

An ideal workstation ...

Three main solutions

Take regular breaksIncluding walking around, looking away.

Buy the correct equipmentChair with backrest, ergonomicaly-designed keyboard

Adjust and arrange Monitor at eye level, chair position

Get to work!

www.LiquidSilver.com

Click here to purchase items

Click here for latest tour dates

Click here to purchase concert

tickets