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WorksheetsGrade 6 unit: Internet, Numbers system and computer security
Total questions: 18
Worksheet time: 13mins
Worms enter into our computers through:
Online game programs
Downloading files
Email attachments
In disks
SPAM is considered a threat because they:
Steal important information
Gain unauthorized access of our computer
Take up server space
Crash computer systems
________is a collection of computers connected by network cables or through satellite links.
VPN(Virtual private network)
Firewall
Internet
Social Media
________are used to search the internet for you and give you a list of search results.
Network
Superweb
LAN- (Local Area Network)
Search engines
Network________ consists of physical devices like Hub, switch and router used on a network.
Software
Wireless network
Hardware
__________tools are software programs that help us detect the virus in emails or files and hence protect our computers
Anti-Virus
Software
LAN
WAN
A ________ is a person who breaks into a computer system.
Spam
Trojan
Hacker
Threat
To perform calculations using a ______number system which consists of digits from 0 to 9.
Octal
Hexadecimal
Decimal
Binary
______is the process of converting information, such as text, numbers, photo, or music, into digital data
Representation
Digitization
Modification
Formatting
What benefits does the Internet offer?
Provide Online eduction and tutorials
Provide online shopping
provide Information access globally
provide sensory experiences like tasting food or smelling scents.
What is the difference between internet and intranet?
The Internet is a global network accessible to anyone, while an intranet is a private network accessible only to an organization's members.
The Internet requires a subscription fee, whereas an intranet is free to use.
The Internet can only be accessed using mobile devices, while an intranet can only be accessed using desktop computers.
The Internet is used primarily for personal communication, whereas an intranet is used only for entertainment purposes.
The types of network and explain will be?
MAN, LAN, ISP, and DNS: MAN (Metropolitan Area Network) covers a city; LAN (Local Area Network) is a network within a small geographic area; ISP (Internet Service Provider) provides internet access; DNS (Domain Name System) translates domain names to IP addresses.
LAN, WLAN, SAN, and VPN: LAN (Local Area Network) is a network within a small geographic area; WLAN (Wireless Local Area Network) is a LAN that uses wireless connections; SAN (Storage Area Network) connects servers to data storage devices; VPN (Virtual Private Network) provides a secure connection over the internet.
ISP, LAN, VPN, and DNS: ISP (Internet Service Provider) provides internet access; LAN (Local Area Network) is a network within a small geographic area; VPN (Virtual Private Network) provides a secure connection over the internet; DNS (Domain Name System) translates domain names to IP addresses.
LAN, WAN, PAN, and MAN: LAN (Local Area Network) is a network within a small geographic area, like an office; WAN (Wide Area Network) spans a large geographic area, connecting multiple LANs; PAN (Personal Area Network) is a network for individual use, typically within a few meters; MAN (Metropolitan Area Network) covers a city or a large campus.
What do you mean by a communication channel?
a medium used to transfer information from one place to another, including physical media like cables and wireless media like radio waves.
a social media platform used for online interactions and messaging.
a type of software used for encrypting data to ensure secure communication.
a device that stores data temporarily while it is being transferred between two locations.
How does antivirus software protect your computer from viruses and other malicious software?
Antivirus software protects your computer by deleting ALL THE FILES that are downloaded from the internet to prevent the possibility of infection.
Antivirus software protects your computer by scanning files and programs for known virus signatures, monitoring behavior for suspicious activities, and providing real-time protection against new threats.
Antivirus software protects your computer by creating a physical barrier that prevents malicious software from entering the system.
Antivirus software protects your computer by physically removing harmful components from your hardware.
What do you mean by the binary number system?
a numerical system that uses ten digits, from 0 to 9, to represent all numbers.
a numerical system that uses eight digits, from 0 to 7, to represent all numbers.
a numerical system that uses two digits, 0 and 1, to represent all numbers.
a numerical system that uses sixteen digits, from 0 to (F)15, to represent all numbers.
Which of the following lists five measures to protect ourselves from cybercrime?
Using weak passwords, turning off encryption, avoiding backups, clicking on all email attachments, and disabling browser security features.
Using public Wi-Fi, sharing personal information freely, disabling firewall, ignoring software updates, and using the same password for all accounts.
Frequently changing email addresses, avoiding social media, using unsecured websites, ignoring security alerts, and downloading from unknown sources.
Using strong passwords, enabling two-factor authentication, regularly updating software, avoiding suspicious links, and using antivirus software.
Who is a hacker?
someone who designs websites and develops software applications.
a person who repairs and maintains computer hardware.
an individual who uses technical knowledge to gain unauthorized access to systems and data.
a user who passively browses the internet and consumes content without contributing.
Which of the following correctly classifies hackers based on their intentions and activities?
Black hat hackers use their skills for ethical purposes, white hat hackers engage in malicious activities, and grey hat hackers work only for government agencies.
Black hat hackers use their skills for malicious purposes, white hat hackers use their skills ethically to improve security, and grey hat hackers operate between ethical and malicious activities, sometimes without permission but without harmful intent.
Black hat hackers only work on securing systems, white hat hackers write code for software companies, and grey hat hackers test software for vulnerabilities.
Black hat hackers and white hat hackers both work ethically, but grey hat hackers always have malicious intentions.
