1. a a numeric keypad b a interpreter c a 3d printer d a speaker 2

1.

A) A numeric keypad

B) A interpreter

C) A 3d printer

D) A speaker

2.

DVD RAM--"Does not require a laser to read the data"

DVD RAM--"Uses serial access only"

Blu-ray--"Used to store and play HD movies"

Magnetic tape--"Can store and read data at the same time"

3.

A) Wide Area Network

B) Local Area Network

4.

1) Mouse

2) Touch screen

3) Remote control

5.

A) Because a microprocessor functions as the controller and microprocessor can read digital data only. Data needs to be converted in order microprocessor to understand the data. This is why sensor reads analogue data.

B) 1) Microprocessor can monitor continuously.

2) Some immediate actions are required.

3) The sensors can remain in place for longer periods of time.

4) Microprocessor can automatically create graphs.

5) Readings can be taken more frequently.

6.

Un-moderated--"All posts are held in a queue"

Moderated--"Posts are not policed"

Un-moderated--"This forum reduces the chance of offensive messages"

Un-moderated--"This forum stops several postings of the same topic"

7.

1) "(semi-color)" was missed after "serif"

2) "centre " shouldbe"center"

3) "underlined" should be "underline"

4) In body: [] brackets should be {}

5) In table: "dot" should be "dotted"

6) "Border width: 3px" should be "Border- width: 3px"

8.

In pilot implementation: Whole systemic implemented in one branch and if the new system fails, only one branch is affected.

In phased implementation: New system is implemented part by part. In only one part is implemented, it could affect other departments.

9.

A) Breed of cow--"Text"

Date of birth--"Date"

Weight of cow--"Real"

Average milk yield--"Real"

Animal passport number--"Integer"

B) Animal passport number

C) A format check and length check. It must be in the length of 8 characters and in the form of abc/efgh

D) Highlight A7 to B16

Select graph

Choose chart-bar chart

Title Daily Milk Yield for cow 971/2016

Add axes titles

Type an appropriate title

Save the chart.

10.

A) Report layouts.

Improvements to the system.

Validation routines.

File structure.

B) Live data is the data that has been used with current system. Therefore the results are known.

C) 1. program language

2. file structure

3. validation routines

11.

A) In interactive user interface appears. Then question are asked related to the illness. “Yes and No” answer are given to the question. Answers lead to other forms of questions. After that, probabilities of diagnoses and treatments are displayed. Then system displays possible solutions to illness.

B) 1. Mineral prospecting

2. Sport games

12.

1. Microphone

2. Monitor

3. Speakers

B) 1. Poor quality of picture caused by speed of connection

2. Different time zones will cause the conference to take place at inconvenient times

3. The lip sync caused by the image not being synchronized with the sound

C) It in encoding of data which converts plain text to cypher text and uses key to encrypt it. It is meaningless to hacker and it protects data.

13.

1) Viruses from internet

2) Tripping over loose caples can cause injury

3) Fire caused by overheating computers by using too much of it

4) Health issues by using it too much in a single day

14.

A) 3d environment can be explored and interacted with by a person. Person can perform a series of actions

B) 1. Virtual reality headset

2. Headphone

15.

A) Test data may be only whole number from 0 to 400. Data is within the range.

B) Test data may be any number below 0 and above 400.

C) Test data 0 or 400. Data at the limits of validity.

16.

A) Short of web blog. It’s personal internet journal which can be updated by owner.

B) It allows users to create web pages using a web browser and its structure is determined by user.

17.

Benefits

There is no longer need to travel to sell or buy

Time-saving

People are able to shop without leaving homes

Wider range of shops

Possible to shop anywhere when used mobile phone
Goods are delivered to houses.
Drawbacks:
Can cause over-reliance on arrive
Less personal communication
Lack of exercise

May be internet connection is not good.