Factors Influencing Performance

Question 1

Discuss RAM as a factor

Answer 1

Random access memory: stores volatile data and beeds power to do so. Stores instructions CPU needs while operating
-More RAM allows multitasking
-More RAM increases speed of which data can be accessed
-caching: temporary storage of data in cache so it can be accessed quickly

Question 2

Discuss CPU as a factor

Answer 2

The speed it has (GhZ)
The number of cores
The cache size

Question 3

Hard disk drives and solid state drives as factors

Answer 3

The storage of data
More is always better

Question 4

What is malware?
Discuss viruses, trojans, ransomware, spyware and adware

Answer 4

Malicious software installed without consent to corrupt, damage or gain access to computer.
Virus: replicate and spread fast
Trojan: hidden as legitimate looking applications
Ransomware: incrypt files for ransom
Spyware: gathers your personal information
Adware: displays adverts automatically without consent

Question 5

Discuss social engineering. What is disk jacking, key logging and phishing?

Answer 5

Deception to manipulate or scam someone for their confidential information or access to their computer
Disk jacking: attack where site appears to do one thing but does another
Keylogging: logs what keys you input
Phishing: emails from legitimate looking addresses to scam

Question 6

Discuss the different categories of computer crime. Harassment, internet attacks, theft

Answer 6

Harassment: Continuous bother of someone with messages/data they dont want. Can be cyberstalking, spam, uploading your data or cyberbullying
Internet attacks: attack on IT infrastructure. Attacking buildings, sites, buildings
Computer theft: for example using someone else’s broadband, passwords or identity theft
Data theft: physically copying people’s data, or intercepting it. Results in plans, financial information or intellectual property and thus money loss

Question 7

Internet attacks