COMPUTER SCIENCE – COMPUTER ORGANISATION 2025–2026 | 60
VERIFIED QUESTIONS WITH DETAILED ANSWERS AND SOLUTIONS
router - CORRECT ANSWERS-hardware that routes packets across a wide area network
server - CORRECT ANSWERS-central controlling computer on network
protocol - CORRECT ANSWERS-set of rules for communicating across a network
packet - CORRECT ANSWERS-what large data items are split into for sending across a network
ISP - CORRECT ANSWERS-chunk of info that can be sent of a network
larger files are broken into packets
ASCII - CORRECT ANSWERS-American Standard Code for Information Interchange
- substitutes a number for each character
- stored in binary using 7 bits
- 128 characters
colour depth - CORRECT ANSWERS-(bit depth)
- number of bits assigned to each pixel
- higher = more colours = larger file size
resolution - CORRECT ANSWERS-number of pixels
sound (data representation) - CORRECT ANSWERS-- microphone converts sound to electrical
signal
- analogue to digital converter (ADC) digitises the signal
, - via sampling the analogue signal
sampling frequency - CORRECT ANSWERS-how often the analog signal is measured
- determines sound quality and file size
lossy compression - CORRECT ANSWERS-- discards data
- reduces file size
- data to discard is chosen by algorithm
network policies - CORRECT ANSWERS-in school sand businesses
- policies to keep network safe
- rules to guide users
malware - CORRECT ANSWERS-malicious software
- any program or file that is harmful to a computer user
- includes computer viruses, worms, Trojan horses and spyware
phishing - CORRECT ANSWERS-- sending emails pretending to be from reputable companies
- to sneak personal information
eg, passwords and credit card numbers
DOS attack - CORRECT ANSWERS-Denial Of SErvice attack
- spamming a website with packets do deny real users access
- crashes server
SQL injection attack - CORRECT ANSWERS-- users enter a SQL statement into a form in which
they are supposed to enter a name or other data
eg, username == true
cores - CORRECT ANSWERS-- where instructions are executed in CPU
VERIFIED QUESTIONS WITH DETAILED ANSWERS AND SOLUTIONS
router - CORRECT ANSWERS-hardware that routes packets across a wide area network
server - CORRECT ANSWERS-central controlling computer on network
protocol - CORRECT ANSWERS-set of rules for communicating across a network
packet - CORRECT ANSWERS-what large data items are split into for sending across a network
ISP - CORRECT ANSWERS-chunk of info that can be sent of a network
larger files are broken into packets
ASCII - CORRECT ANSWERS-American Standard Code for Information Interchange
- substitutes a number for each character
- stored in binary using 7 bits
- 128 characters
colour depth - CORRECT ANSWERS-(bit depth)
- number of bits assigned to each pixel
- higher = more colours = larger file size
resolution - CORRECT ANSWERS-number of pixels
sound (data representation) - CORRECT ANSWERS-- microphone converts sound to electrical
signal
- analogue to digital converter (ADC) digitises the signal
, - via sampling the analogue signal
sampling frequency - CORRECT ANSWERS-how often the analog signal is measured
- determines sound quality and file size
lossy compression - CORRECT ANSWERS-- discards data
- reduces file size
- data to discard is chosen by algorithm
network policies - CORRECT ANSWERS-in school sand businesses
- policies to keep network safe
- rules to guide users
malware - CORRECT ANSWERS-malicious software
- any program or file that is harmful to a computer user
- includes computer viruses, worms, Trojan horses and spyware
phishing - CORRECT ANSWERS-- sending emails pretending to be from reputable companies
- to sneak personal information
eg, passwords and credit card numbers
DOS attack - CORRECT ANSWERS-Denial Of SErvice attack
- spamming a website with packets do deny real users access
- crashes server
SQL injection attack - CORRECT ANSWERS-- users enter a SQL statement into a form in which
they are supposed to enter a name or other data
eg, username == true
cores - CORRECT ANSWERS-- where instructions are executed in CPU
