Internet & Networking
What does DNS stand for?
Domain Name System
What is the 'brain' of the computer?
CPU (Central Processing Unit)
How many bits are in 1 byte?
8 bits
What does HTTP stand for?
Hypertext Transfer Protocol
Which protocol is used to load websites by translating domain names into IP addresses?
DNS
What is the difference between a LAN and a WAN?
LAN covers a small area (e.g., home), while WAN spans a large area (e.g., the Internet).
What is the difference between RAM and a hard drive?
RAM is temporary storage; a hard drive stores data permanently.
Convert the binary number 1010 to decimal.
10
Which protocol ensures reliable data transfer by checking for lost packets?
TCP
Why is high bandwidth important for streaming videos?
It allows large amounts of data to be transmitted quickly, ensuring smooth playback.
Which type of cable transmits data using light signals?
Fiber-optic cable
Which component connects and allows communication between all computer parts?
Motherboard
What is the output of a NOT gate if the input is 0?
1
Which protocol is commonly used for fast, but less reliable, data transmission?
UDP
What happens when the RAM is full, and you open more applications?
The system uses the hard drive as virtual memory, slowing down the computer.
What do we call the delay in data transmission between devices?
Latency
Which device outputs visual data to the user?
Monitor
What does an AND gate output if both inputs are 1?
1
What is the purpose of the TLS protocol?
To secure communication over the Internet through encryption
Why is latency critical in online gaming?
Low latency ensures fast response times, reducing lag.
Which type of network would you use to connect multiple offices across different cities?
WAN (Wide Area Network)
Why is the power supply unit (PSU) essential?
It provides power to all the computer components.
Convert the decimal number 25 to binary.
11001
What is the role of an IP address?
It uniquely identifies a device on a network.
Where would you find logic gates being used in everyday devices?
In computer processors, calculators, and digital clocks.