• Because it will be subject to movement  and it does not use mechanical/moving parts

          OR

• Solid state storage is smaller/more compact so better suited for a wearable device

          OR

• Doesn’t have moving parts  because they could be disrupted during use

A computer keyboard is an input device used to enter text, characters, and various commands into a computer or other digital devices.

Many components that go into computer systems are toxic and dangerous to the environment if released or disposed of inappropriately.
Heavy metals are used in batteries and circuits and these can pollute groundwater or kill animals if left exposed on landfill. Large quantities of plastics are used in systems, which take a long time to break down, some of the plastic will eventually break down into toxins as it degrades.

• data must be accurate/up-to-date
• personal data must be registered
• data must be used for the purpose that is registered for
• if data is to be used for another purpose the registrar must be notified/
• subject gives consent
• patients must be able to see the data and have it changed if it is incorrect
• processed fairly and lawfully
• kept no longer than needed
• kept secure
• not transferred to other countries without protection

State the functions of the following protocols

POP -Stands for post office protocol

• used to download emails from email servers

SMTP- Simple Mail Transfer Protocol

• used to send emails to email servers and transfer emails between servers

FTP - Stands for the file transfer protoc

• a computer that responds to requests to provide information and services over the Internet - an Internet server
• defines how messages are transmitted and formatted over the Internet-HTTP
• software that enables users to access/view documents and other resources on the Internet - Browser     
• numerical ID for each device on the Internet-IP address
• unique ID for a network interface card  -MAC address

• Detecting congestion.
• Synchronizing activity between traffic lights.
• Updating traffic light timing in real time.
• Updating and informing drivers of ideal speeds.
•  Prioritizing transportation flow.
•  Reduce congestion and time spent on the road
• By reducing congestion it will decrease pollution
• Prioritize traffic based on changes in traffic conditions in real time.
• This system is also helpful to reduce infrastructure damage. It is possible to identify overloaded vehicles and provide them with appropriate ways or roads, which will reduce road damage.

• Security
• Installation cost
• bandwidth the medium can support
• Flexibility e.g wireless media
• Distance

Optical Mark Recognition; Optical Character Recognition; Magnetic Ink Character Recognition ; Optical Bar Recognition

Giving answers as readers is also acceptable, that is, Optical Character Readers, Magnetic Ink Character Readers; Optical Mark Readers

• Processor

(i) Jobs collected together for processing at a later time
(ii) Output produced quickly enough to affect the next input
(iii) User has direct contact with the processor
(iv) User cannot communicate directly with the processor

A file is a collection of related data given a unique name while a folder is named storage location on a storage media that contains related files

b) What Simeon and Anna said about the life of Jesus during the dedication. (7mks)

Jesus would save people

He would bring glory to Israel

He would be a light to the gentiles

He would be a universal savoir

He would bring judgment to the Israelites

Many people would oppose his work

He would reveal secret thoughts of people

He would be the source of redemption for Jerusalem

• It covers many aspects that will be used to decide whether to go ahead with the project or not.
• The main components are technical, operational, economic, legal and scheduling.

Definition

• Disk formatting is the process of preparing a data storage media for initial use

Reasons:

• To make a disk blank for reuse
• To make it compatible with another operating system
• to create tracks and sectors for first time use

• It dictates the speed at which data is transferred between these components and enables the sequential execution of instructions in the correct order.
• generates a timing signal that is used to synchronize communication between CPU components and the rest  of the computer system

• understand the current system
• produce data flow diagrams/system flowchart
• identify user/client requirements/objectives
• interpret user/client requirements/objectives
• agree requirements/objectives with the user/client
• collect data from the current system
• fact finding (e.g. questionnaires, interviewing, etc.)
• problem identification

• not able to directly manipulate the hardware
• may need to wait for translation before running
• the program may be less efficient.

• Outsourcing is the practice of using third-party providers to perform services and/or create goods that would traditionally be done within the business.

(a)State what is meant by the terms:

Parallel data transmission

• 8 bits/1 byte/multiple bits sent at a time  
• using many/multiple/8 wires/lines

Serial data transmission

• one bit sent at a time over a single wire