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Describe each of the following external data storage devices: (1) USB flash drive; (2) memory card.(4 marks)June/July 2020
(1) USB flash drive: A USB flash drive is a small, portable storage device that is used to store and transfer digital data. It is typically about the size of a thumb, and connects to a computer or other device using a USB port. A USB flash drive stores data using solid-state memory, and is widely usRead more
(1) USB flash drive: A USB flash drive is a small, portable storage device that is used to store and transfer digital data. It is typically about the size of a thumb, and connects to a computer or other device using a USB port. A USB flash drive stores data using solid-state memory, and is widely used for transferring files between computers, backing up data, and storing data that needs to be accessed on the go.
(2) Memory card: A memory card is a small, portable storage device that is used to store digital data. It is typically about the size of a thumbnail, and is used in a variety of electronic devices, such as cameras, smartphones, and tablets. Memory cards use solid-state memory to store data, and are widely used for storing photos, music, and other types of media. Memory cards are available in a variety of different formats, including SD, microSD, and CF, and are typically used in devices that do not have a lot of built-in storage space.
See lessJoel has been tasked with preparing a presentation on Health and Safety at work using a presentation software.Outline the steps that he should follow when creating the presentation. (6 marks)June/July 2020
To create a presentation on Health and Safety at work using a presentation software, Joel should follow the following steps: Open the presentation software: The first step in creating the presentation is to open the presentation software, such as Microsoft PowerPoint or Google Slides, on the computeRead more
To create a presentation on Health and Safety at work using a presentation software, Joel should follow the following steps:
Outline four measures that may be put in place to enhance data security in an organization.(6 marks)June/July 2020
There are several measures that can be put in place to enhance data security in an organization: Access controls: Implementing access controls, such as passwords, user authentication, and permissions, can help to ensure that only authorized users are able to access sensitive data. Encryption: EncrypRead more
There are several measures that can be put in place to enhance data security in an organization:
Distinguish between ‘database’ and ‘databank’.June/July 2020
A database is a collection of data that is organized in a structured way and is designed for efficient retrieval and management. A database typically consists of multiple tables, each of which stores a specific type of data, and is often used to store large amounts of data that need to be accessed aRead more
A database is a collection of data that is organized in a structured way and is designed for efficient retrieval and management. A database typically consists of multiple tables, each of which stores a specific type of data, and is often used to store large amounts of data that need to be accessed and updated regularly.
A databank, on the other hand, is a large repository of data that is used for research or reference purposes. A databank may contain a wide variety of data, including scientific data, financial data, historical records, and more. Unlike a database, a databank is not typically used for active data management or real-time updates, but rather for storing and accessing large amounts of data for research or reference purposes.
See lessState two uses of a spreadsheet in an organization.(4 marks)June/July 2020
Financial management: Spreadsheets can be used to create budgets, track expenses, and analyze financial data. This can help organizations make informed financial decisions and monitor their financial performance. Data analysis: Spreadsheets can be used to analyze large datasets and extract insightsRead more
Define a ‘spreadsheet’.June/July 2020
A spreadsheet is a type of computer software that is used for organizing and analyzing data. It consists of a grid of rows and columns, with cells that can be used to enter and manipulate data. Spreadsheets are commonly used for tasks such as budgeting, financial modeling, and data analysis, and theRead more
A spreadsheet is a type of computer software that is used for organizing and analyzing data. It consists of a grid of rows and columns, with cells that can be used to enter and manipulate data. Spreadsheets are commonly used for tasks such as budgeting, financial modeling, and data analysis, and they can be used to perform calculations, create charts and graphs, and visualize data in various ways.
See lessThe use of Information Communication Technologies (ICTs) has resulted in moral deterioration in the society. Explain three measures that may be taken to cope with this trend.(6 marks)June/July 2020
Education and awareness campaigns: Educating the public about the potential risks and negative impacts of ICTs can help to raise awareness and encourage responsible use of these technologies. This could include information about the dangers of cyberbullying, online predatory behavior, and other harmRead more
The following document was created using a computer. Jones travels to Johannesburg every weekend to meet with his clients. Recently he was forced to RESCHEDULE his journey after the plane he was to use developed mechanical problems. Outline the steps followed when formatting the document. (4 marks)June/July 2020
Open a word processing application: The first step in formatting the document would be to open a word processing application, such as Microsoft Word or Google Docs, on the computer. Create a new document: The user would then create a new document by selecting the appropriate option from the applicatRead more
State three advantages of star network topology (6 marks)June/July 2020
There are several advantages to using a star network topology: Centralization: In a star network, all devices are connected to a central hub or switch, which makes it easy to manage and control the network. This centralization makes it easier to add or remove devices from the network, as well as toRead more
There are several advantages to using a star network topology:
Explain two computer crimes. (4 marks)June/July 2020
Hacking: Hacking is the unauthorized access or tampering with computer systems or networks. This can include accessing a system without permission, altering or deleting data, or disrupting the normal functioning of the system. Fraud: Fraud is the use of digital technology to deceive or defraud otherRead more