Networks I
This network type connects computers within a single building or office.
Local Area Network
Media Access Control. It is known as the physical address of your hardware. Difficult to change compared to IP Address.
Which bird is, incorrectly, said to hide its head in the sand when in danger?
Ostrich
Describe what is meant by a microprocessor-controlled device
- Labour-saving device
State four differences between IPv4 and IPv6
IPv4 - numbers, full stops, 32 bit, 4 groups
IPv6 - numbers and letters from A-F, 128 bit, 8 groups, colons
How are IP address and MAC address different?
MAC - media access control is the hardware address. Hard to change
IP - internet protocol address is the network address. Can be changed easily.
Which Pixar Animation Studios' film featured a girl whose real name was Mary, but was called Boo by the film's heroes?
Monster's Inc
State two advantages and disadvantages of using autonomous cars.
Adv - Efficient in terms of traffic control. More time to do other things inside the car.
Dis - unemployment rate increases. Increases the chance to be hacked/ or cause security issues.
Explain what is meant by web-conferencing
-Contains features like sharing content (presentations, etc.), whiteboards to draw or write, has a messaging feature.
- A combination of video conferencing and audio conferencing.
State at least three parts of a data packet
IP address of the receiver. IP address of the sender. Payload. Packet Size. Sequence/ Order of the packet.
What is the only number that is both the sum and product of three consecutive positive integers?
6
Give at least three microprocessor-controlled devices used in Railways?
LiDaR, automatic door system, ticket scanner, train signaling systems
How are web conferencing and video conferencing different?
Web - uses the internet to permit conferencing to take place. A cross-over between video and audio conference. Contains multiple features than video alone (such as hosting, sharing documents, etc).
Video -communication method that uses both video and sound. Contains less features than web conferencing.
Give three characteristics of a strong passwords
- It contains numbers
- It contains special characters
- It contains capital letters
What is the highest-grossing arcade game of all time?
Tetris
Give one microprocessor-controlled devices in a supermarket. Explain why that is so.
As long as it fits the descriptions of what a microprocessor-controlled device is. They get a point.
Both Wi-Fi and Bluetooth can be used to enable devices to communicate wirelessly. Describe the differences in how Bluetooth and Wi-Fi both operate.
Wifi - Transmission frequency used are 2.4, 3.6, 5.0 GHz. Range is 100 metres. Maximum number of connected people is greater than of Bluetooth. Can send data faster.
Bluetooth - Transmission frequency used is 2.4 GHz. Range is 30 meters. Maximum number of connected people is up to 7 only. Sends data slower.
State the three types of cloud storage and how are they different
Public Cloud - customer/client and cloud storage provider are different companies.
Private Cloud - customer/client and cloud storage provider is integrated and operate as a single entity.
Hybrid Cloud - a combination of public and private cloud. some data resides in the private cloud and less-sensitive/less-commercial data can be accessed from a public cloud storage provider.
Why was there a gap of 16 years between a World Cup Tournament?
World War II
Explain what it means for microprocessor-controlled devices to be labour-saving. Site an example to support your answer.
Labour-saving means it saves time for an individiual to do other things. Examples can be varied.