Identify the type of software used to compress files.
Utility Software
Define the term multimedia
State two effects of a computer virus
State the primary function of the Dynamic Host Configuration Protocol (DHCP) protocol.
State the type of software that is needed for logging onto the Internet and finding websites selling goods and services.
logging on
finding websites
When developing a network security policy, it is important to understand the threats that can be made against a network. ‘IP spoofing’ and ‘back doors’ are two techniques that can compromise the security of a network. Describe each of these techniques.
IP spoofing
A technique used to gain unauthorised access to a computer whereby an intruder sends messages to that computer from a false IP address
Back door:
An undocumented method of gaining access to a program, online service or an entire computer system
Defining blocking of text as used in word processing
Explain how the operating system performs job/process scheduling/management
State the advantages and disadvantages of the command-line interface
Advantages
Disadvantages
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
State the functions of the following protocols
POP -Stands for post office protocol
SMTP- Simple Mail Transfer Protocol
FTP - Stands for the file transfer protocol
State the functions of the following protocols
POP -Stands for post office protocol
SMTP- Simple Mail Transfer Protocol
FTP - Stands for the file transfer protoc
Compare and contrast CLI and GUI
CLI
GUI
Comparison
What precautions would you take in a computer room in case a user complains of backache after long periods of using the computer?
Ergonomic Chair: Ensure that each user has an ergonomic chair that provides proper lumbar support. The chair should be adjustable in terms of height and backrest angle.
Adjustable Desk: Provide adjustable desks or workstations that can accommodate different user heights and allow for proper positioning of the keyboard, mouse, and monitor.
Monitor Placement: Ensure that the computer monitors are positioned at eye level or slightly below to prevent users from straining their necks and shoulders. Consider using monitor stands or adjustable monitor arms for better positioning.
Keyboard and Mouse: Encourage the use of ergonomic keyboards and mice that are designed to minimize strain on the wrists and hands. Provide wrist rests if needed.
Proper Lighting: Ensure that the computer room is well-lit, with appropriate lighting levels to reduce eye strain. Avoid glare on the computer screens by using adjustable blinds or curtains.
Regular Breaks: Encourage users to take regular breaks from prolonged computer use. Suggest the 20-20-20 rule: Every 20 minutes, look away from the screen at an object 20 feet away for at least 20 seconds.
Stretching Exercises: Promote stretching exercises for the neck, shoulders, and back to help alleviate muscle tension and improve blood circulation. Display posters or provide resources on desk stretches and exercises.
Correct Posture: Educate users about proper sitting posture, emphasizing the importance of maintaining a neutral spine position. Provide visual aids or ergonomic training materials to demonstrate the correct posture.
Desk Organization: Encourage users to keep their workstations organized to minimize the need for reaching or straining. This includes keeping frequently used items within easy reach and arranging cables to prevent trip hazards.
Individual Assessments: If the backache issue persists, consider offering individual ergonomic assessments for users. A specialist can evaluate the user's workstation setup and suggest personalized recommendations.
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
What is repetitive strain injury?
Factors to consider when choosing DTP software. (4 marks)
A company has decided to deliver its products online to international customers. It has employed you as a project manager to determine whether this is a viable business decision. You choose to conduct a feasibility study. Outline the purpose of a feasibility study using two components associated with this process.
A protocol is used to securely transmit the data for the website to the browser.
(i) State the name of this protocol.
(ii) Identify how this protocol changes the data to transmit the data securely.
(i) State the name of this protocol. HTTPS
(ii) Identify how this protocol changes the data to transmit the data securely.