IB Computer Science - Paper 1 Revision
Questions And Correct Answers.
Uses batteries for power - Answer What is a potential usability issue with cell phones
To store instructions and data that is frequently used or has been used or is next to be used, so that the
data does not to be fetched from the RAM and speeds up access. - Answer State the purpose of cache
memory
Connectivity between different locations - Answer Advantage of Wireless Networks
Security issues as wireless transmissions are easily intercepted - Answer Disadvantage of Wireless
Networks
The data can be deliberately incorrect;
The data may have not been validated; - Answer Ethical issues of using data from the Internet
Establishes the tunnel between sender/receiver;
Sender/receiver is authenticated before sending/receiving; - Answer Features of a VPN
Provide a way to define basic data types and operations on those types - Answer Essential feature of a
computer language
Compare
Store - Answer Two fundamental operations of a computer are add and retrieve. State another two
fundamental operations.
A piece of computer hardware or software that accesses a service made
available by a server - Answer State the role of a client
Questions And Correct Answers.
Uses batteries for power - Answer What is a potential usability issue with cell phones
To store instructions and data that is frequently used or has been used or is next to be used, so that the
data does not to be fetched from the RAM and speeds up access. - Answer State the purpose of cache
memory
Connectivity between different locations - Answer Advantage of Wireless Networks
Security issues as wireless transmissions are easily intercepted - Answer Disadvantage of Wireless
Networks
The data can be deliberately incorrect;
The data may have not been validated; - Answer Ethical issues of using data from the Internet
Establishes the tunnel between sender/receiver;
Sender/receiver is authenticated before sending/receiving; - Answer Features of a VPN
Provide a way to define basic data types and operations on those types - Answer Essential feature of a
computer language
Compare
Store - Answer Two fundamental operations of a computer are add and retrieve. State another two
fundamental operations.
A piece of computer hardware or software that accesses a service made
available by a server - Answer State the role of a client
