Describe one way developers ensure that their software addresses inclusivity issues.
Incorporate language support features in their software, which allows users to select their preferred language. This can be achieved through multi-language user interfaces and providing translation capabilities. By doing so, developers address language barriers and make the software accessible to a broader audience, demonstrating a commitment to cultural inclusivity.
Gender inclusivity – use gender-neutral language in examples
Cultural/Racial inclusivity – use a variety of ethnicities in photos
Ability inclusivity – represent awareness of disability in some examples
Sexual preference inclusivity – use language that is supportive of LGBTQI+ people
Compare the use of a compiler with the use of an interpreter to translate code
Both translate source code written in high level programming languages into machine code.
Compiler: Produces a single executable file that is portable between machines
Interpreter: Source code needs a special environment to run
Compiler: Needs to be compiled for a particular architecture
Interpreter: Can run on any architecture that has the translator/interpreter
Complier: Entire source code file is translated at once
Interpreter: Code is translated line by line
Compiler: Provides error report at the end of the compilation
Interpreter: Errors more obvious in the sequence
Compiler: The program source code is not available (so helps protect IP)
Interpreter: Source code is available
Compiler: Only has to be translated once (affecting the speed of execution)
Interpreter: Has to be translated each time, therefore (affecting the speed of execution)
Compiler: Requires two files to be maintained (one for execution and for editing purposes)
Interpreter: Requires only one file to be maintained
A computer game involves driving a racing car around a track. State which two modes of data processing would be appropriate, justifying your answers
Describe an environmental issue related to the disposal of computer components
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.
Clearly define a computer
What is online streaming?
Outline three ways through which ICT can used in marketing
ICT is used to create e-commerce platforms that have made business transactions easier and convenient by allowing customers make purchases and payments from anywhere at any time
ICT is used by marketing agents to create exciting multimedia presentations concerning products or services and present them to the target customers using presentation software such MS PowerPoint
Using multimedia, presentation and animation software, it is possible to design attractive advert materials and video clips to display on billboards, broadcast over a television or uploaded on the internet
Give two examples of each of the following application packages
a)Spreadsheets (2mks)
Any 2 @ 1mk
b) Word processors (2mks)
Any 2 @ 1mk
State the areas where infra-red radio waves are used KCSE 2018
State four factors to consider when acquiring computer software
What is an information system ? (KCSE 2012))
Is an arrangement of people, data, processes, communication and IT that interact to support problem solving
Components of an information system
Identify three ways in which this new technology has affected employees. In each case, explain why it has had an impact.
Explain one reason why a computer needs to be connected to a stable power source
System Stability: Computers require a consistent and stable power supply to function properly. Fluctuations or interruptions in the power source can cause various issues that can disrupt the computer's operation or lead to hardware damage.
a. Data Loss: Sudden power outages or voltage fluctuations can cause the computer to shut down abruptly, resulting in data loss if unsaved work is not properly stored. This can be particularly problematic when working on critical tasks or handling important files.
b. Hardware Damage: Power surges or inconsistent power supply can damage the computer's internal components, including the motherboard, CPU, memory, and storage devices. These damages can result in system instability, reduced performance, or even complete hardware failure.
c. Operating System Corruption: Abrupt power loss or inconsistent power supply can corrupt the operating system files, leading to system crashes, error messages, and instability. This may require system repairs or reinstallation of the operating system.
d. Component Lifespan: Inconsistent power supply can put unnecessary stress on computer components, shortening their lifespan. Frequent power fluctuations or surges can cause wear and tear on various parts, reducing their efficiency and overall longevity.
Explain why it is not always true that a computer which has a quad-core processor runs twice as fast as a computer with a dual-core processor
What is block operation as used in Microsoft word?
An editing or formatting procedure that is carried out on a selected block of text in a word-processing document.
A formatting or editing operation that is applied to a block of text after selecting. The block of text can be a paragraph, line, word, page or the whole document. It is much easier to apply editing or formatting to a block of text than to apply it to every single character
Describe what is meant by a clock speed of 3.8 GHz.
State four threats that compromise data integrity and state ways that can be used to minimise these threats
State four threats that compromise data integrity
How threats to data integrity can be minimised:
State any four applications of electronic spreadsheets
A web server has an internet protocol (IP) address. Give three characteristics of an IP address.
Describe the purpose of a data dictionary, using an address book database as an example.