Computer Revision
1
1
Cloud Storage
Users can access their data whether they have access to the internet or not
False
Explain one error in data entry
Give an example of Data type check
An example of a data type check is ensuring that only numbers are entered in an Age field.
For example:
Age: 25 ✅ Accepted
Age: Twenty-five ❌ Rejected because text was entered instead of a number.
Which of the following is not a type of Network
Private Area Network
Which of the following sequences shows an increase in computer memory capacity?
Megabyte to Gigabyte to Terabyte
Cloud Storage
Data is stored on multiple computers all over the world
True
What are the 4 types of alignment
Centre
Justify
Right
Left
State the two methods of verification
Double Entry
Proofreading
List 2 operating system
IOS
APPLE
LINUX
ANDROID
MAC OS
CHROME OS
Describe two ways in which a staff can protect their data from possible security threats
Use strong passwords and access controls
Use antivirus software and keep systems updated
Facebook, twitter, Gmail all use Cloud based storage
TRUE
Define the term Computer vulnerability
Computer vulnerability refers to a weakness or flaw in a computer system, software, or network that can be exploited by threats to cause harm. These weaknesses can allow unauthorized access, data theft, or damage to computer resources
Define data theft
Data theft is the act of illegally accessing, copying, or stealing confidential information from a computer system, device, or database without permission. This may include stealing personal details, passwords, financial records, or business information.
Give an Example of 3 hardware devices
Keyboard
Mouse
Monitor
Which of the following check is a data verification method?
Visual
Distinguish between the terms computer security and cybersecurity
Define computer threat
Computer threat refers to any potential danger or harmful action that can exploit a computer vulnerability and cause damage to a computer system, network, or data. Examples of computer threats include viruses, hackers, malware, and phishing attacks.
Outline the difference between intranet and extranet
Intranet is a private network used only by members within an organization to share information and resources. Extranet is a private network that allows selected external users, such as customers, suppliers, or business partners, to access certain organizational information.
State one difference between hardware and software
Hardware refers to the physical parts of a computer system that can be seen and touched, such as a keyboard or monitor, while software refers to the programs and instructions that tell the hardware what to do, such as applications and operating systems.
Classify the following in either Wired or wireless transmission media:
Wired Wireless
Twisted Pair Satellite
Coaxial Cable Microwave
Fibre Optic Infared
Outline the difference between application software and system software
System software manages and controls the computer’s hardware and provides a platform for other programs to run, such as an operating system. Application software is designed to help users perform specific tasks, such as creating documents, browsing the internet, or editing images.
What is industrial espionage
Industrial espionage is the act of secretly gathering or stealing confidential information from a business or organization for the benefit of another company or competitor. This may include stealing trade secrets, business plans, designs, customer information, or technology.
State what does Denial of Service attack means
A Denial of Service (DoS) attack is a cyberattack that attempts to make a computer system, website, or network unavailable by overwhelming it with too much traffic or requests. This prevents authorized users from accessing the service.
What is Ransomware?
Ransomware is a type of malicious software (malware) that blocks access to a computer system or encrypts a user’s files until a payment (ransom) is demanded. It is often spread through infected links, email attachments, or unsafe downloads.
A document used for the initial recording of data relating to business transactions is called a
Source Document
A source document is the original document used for the initial recording of data relating to business transactions before the information is entered into a computer system.
Examples include: receipts, invoices, order forms, and timesheets.