Karteikarten
2.13 Data processing software
Karten in diesem Stapel (20)
- 1What is the main use of computer systems for most organisations?Data processing.
- 2How is all data entered into a computer system?Using hardware.
- 3How is a keyboard used to enter data into a system?A keyboard is used to enter text such as first name or address.
- 4How is a mouse used to enter data into a system?Used to select radio button (multiple choice box), checkboxes, and drop downs.
- 5How is a touchscreen used to enter data into a system?Used to select radio button (multiple choice box), checkboxes, and drop downs. A touchscreen is also more portable.
- 6How are sensors used to enter data into a system?Scanners or sensors can scan items such as barcodes to let the shop know what stock they have left.
- 7How are card readers used to enter data into a system?They makes sure means of payment are authorised.
- 8What is data processing software used for?Data processing software is used to collect, store and analyse data that an organisation gathers.
- 9What is aggregation?Aggregation is type of analysis where a large amount of data is processed into one or more summaries. These summaries can then be used to create statistics or to provide data to another system. Data on potential customers could be aggregated into reports which can be sold to other businesses wanting to send out mailshots.
- 10What is analysis?This is when some sort of meaning is extracted from the data.
- 11What is conversion?Data processing applications can convert data from one form to another. A new system bought by an organisation may need the data converted to a different form.
- 12What is reporting?Reporting is done to make the data easier to read, in Access this can be done through reports and in Excel this can be done by creating a graph or chart.
- 13What is sorting?This allows the user to sort the data on a required field, for example: numerical sort or alphabetise.
- 14What is validation?Validation checks that the correct type of data has been entered.
- 15What is verification?Verification checks that the data is actually the data you want.
- 16What does the integrity of a database relate to?The integrity of the database relates to the data being valid, accurate and consistent.
- 17What is GIGO?GIGO stands for 'garbage in, garbage out'. This means that if your database is badly designed, and you don' take in useful information, you will not get useful information out of it.
- 18What is good way of doing a verification check?Having two people enter the same data. A verification check will check both sets of data are the same.
- 19What is personal data?Personal data is information about you that makes you identifiable such as name or phone number.
- 20What is sensitive data?Sensitive data is personal data that could lead to a form of discrimination such as ethnicity or financial status.
Informationen
- Beschreibung
- BTEC BTEC Computing (Unit 2) Karteikarten am 2.13 Data processing software, erstellt von Destiny Hood am 20/11/2017.
- Erstellt von
- Destiny Hood · Nov 2017
- Aktualisiert
- 21 Nov 2017
- Aufrufe
- 2
- Bewertung