CIE IGCSE COMPUTER SCIENCE (0478) REVISION EXAM QUESTIONS AND ANSWERS

CIE IGCSE COMPUTER SCIENCE (0478)
REVISION EXAM QUESTIONS AND
ANSWERS
Issues with parallel - Answer-Interference may occur which may be caused by
electromagnetic waves.

Simplex Data Transmission - Answer-Data transmitted in one direction only

Half-duplex Data Transmission - Answer-Data travelling both ways but only one way at
a time.

Duplex Data Transmission - Answer-Data travelling both ways simultaneously.

LAN - Answer-Local Area Network

WAN - Answer-Wide Area Network

Ransomware - Answer-Ransom held to user's computer to delete any important data or
leak sensitive information

Brute Force - Answer-Trying every combination to crack any code or password

Ways your data can be stolen - Answer-- Social Media
- Brute Force
- Stealing Computers
- Data Breaches/Database Leaks
- Physical/USB Stick

The process of manipulating someone else to breach their online accounts and take
personal info/financial info - Answer-Social Engineering

DDoS - Answer-Distributed Denial of Service

DNS - Answer-Domain Name System

ISP - Answer-Internet Service Provider

HTTP - Answer-Hypertext Transfer Protocol

HTTPS - Answer-Hypertext Transfer Protocol Secure