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Yr 12 - Data, knowledge & information.

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Which of the following is not an item of data?

a)

Numbers

b)

Images

c)

report

d)

raw facts

2.

Which of the following is not a good quality of information.

a)

Level of detail

b)

Age

c)

Accuracy

d)

Irrelevance

3.

TLS stands for

a)

Transmit Layer Security

b)

Transport Layer Security

c)

Transport Law of Security

d)

Transmit layer Secure

4.

__________ is a standardized format for exchanging data.

a)

EDI

b)

IDE

c)

DIE

d)

None of the above

5.

A ________ _________ is a number that is added to the end of an identification number being input.

(a)  

6.

A (a)   file contains data that is used to update a master file.

7.

In batch processing, the ______________ file is used to update the ___________ file.

a)

master, transaction

b)

transaction, algorithm

c)

transaction, master

d)

algorithm, master

8.

In ________________ encryption, the sender and the recipient use the same secret key to encrypt and decrypt data.

a)

public key cryptography

b)

symmetric encryption

c)

asymmetric encryption

d)

all of the above

9.

(a)   is the process of checking that data entered in to the computer system matches the original source.

10.

Which of the following type of validation check tests to see if data exists in a list.

a)

Length

b)

Range

c)

Check digit

d)

lookup

11.

________ _______ entry is to input data in to the computer system twice to check if they match e.g enter password and confirm password.

(a)  

12.

Data with context and has meaning is known as (a)   .

13.

Which of the following is NOT an example of a direct data source.

a)

Interviews

b)

Questionnaires

c)

A newspaper article

d)

Online questionnaire

14.

Online processing is also known as (a)   processing.

15.

Https and a padlock sign in the URL of a website ensure that the website is (a)   .

16.

which of the following is NOT a type of validation check?

a)

Length

b)

Check digit

c)

visual check

d)

Format check

17.

In (a)   processing data is set to be processed at one time without user intervention.

18.

(a)   is scrambling data so that it cannot be understood without a decryption key and to make it readable if intercepted.

19.

Which of the following does not use real time processing?

a)

Computer Games

b)

Rocket Guidance Systems

c)

Air conditioning System

d)

Electronic Funds Transfer

20.

A ______________ is calculated by adding together values from an input field for all the records that need to be input, so that a user's manual calculation can be compared to the computerized calculation done by the computer.

a)

Hash total

b)

Checksum

c)

Parity check

d)

None of the above