It is made up of a matrix of filled-in dark squares on a light background.
What is a QR code?
100
Windows is one
What is an operating system
100
A set of moral principles that regulate the use of computers
What is computer ethics?
100
Two-way data transmission simultaneously
What is Full-Duplex?
200
It is the number of possible values in a 10 bit register.
What is 1024
200
This has the keys arranged differently to give more support to the wrists and hands during data input.
What is an ergonomic keyboard?
200
it converts high level code to machine code
What is a translator
200
The editing of program code so that it can be exploited or changed for a specific purpose.
What is cracking?
200
They are the four methods to check for errors in data transmission
What are ARQ, Check digit, Check sum, Parity checks
300
It is the hexadecimal colour code for magenta.
What is #FF00FF?
300
This converts physical values into discrete digital values
What is an ADC?
300
produces object code
What is a compiler
300
It allows the user to freely run, copy, change, and adapt the software and then pass it on to a colleague, friend or family member
What is free software
300
It is an ISP definition and 3 additional services that they offer
What is a company that provides access to its servers which are connected to the Internet. Additional services - email address, website hosting, filtering
400
The number of combinations (in denary) that can be held in 4 digits of hex
What is 65,536
400
They are the two types of 3D printing you need to know about
What are binder and direct 3D printing
400
interrupts an interrupt
What is a higher priority interrupt?
400
They are the laws around the world that prevent peoples private information being shared without their permission
What are data protection laws
400
First 6-8 digits of MAC address and last 6-8 digits of MAC address
What is manufacturer code/ID of device (NIC) and what is serial number of device (NIC)
500
It is 22,222 (denary) in binary
What is 0101011011001110?
500
They are the 4 steps found in a control system
What are input, process, output and feedback
500
Computer processors can follow these instructions
What is machine code
500
1. Ensure your work is properly marked
2. Register your work
3. Keep or register supporting ideas
4. agreement between co-authors
How do you copyright your work?
500
They are the 5 steps for a browser to display a webpage
What are:
1. User Inputs URL
2. Browser contacts DNS to look up IP address that matches domain
3. Request sent by browser to web server at that IP address
4. Webserver sends webpage over internet to the requesting computer
5. The browser interprets HTML in document to display the webpage