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Flashcards in Transaction Processing Systems (TPS) Deck (16)
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1

Front (Term)

Back (Definition)

2

What is a TPS?

Transaction Processing System

3

What does a TPS do?

Collects, Stores, Modify and Retreave the records transactions of an organisation

4

What is Batch Processing used for?

Buying a product at a point-of-sale terminal.

5

Data compared to a set of accepted data is called a?

List check

6

A database that organises data using a series of related tables is called a?

Relational database

7

What is a backup?

a copy of the data that could be used to rebuild the system

8

Whats direct access?

immediate access of data

9

What is automation?

concurrency is a property of systems in which several computations are executing simultaneously, and potentially interacting with each other

10

What are the three generation of backup master files?

Grandfather-Father-son

11

Why is Rapid Response important for a business?

Businesses cannot afford to have customers waiting for a TPS to respond. The turnaround time from the input of the transaction to the production of the output must be a few seconds or less.

12

Describe Atomicity?

ensures that all of the steps involved in a transaction are completed successfully as a group. If any step fails, no other step should be completed.

13

What is concurrency?

ensures that two users cannot change the same data at the same time.

14

Used to check the entry of transaction data.

Data Validation

15

A process performed by the data entry person to ensure the data for each transaction has been entered correctly.

Data Verification

16

Methods used to minimise data entry mistakes include:

Pull down menus
Pop-up lists
Radio buttons
Check boxes
Range checks
Type checks