Date | May 2019 | Marks available | 2 | Reference code | 19M.1.SL.TZ0.11 |
Level | SL | Paper | 1 | Time zone | no time zone |
Command term | Outline | Question number | 11 | Adapted from | N/A |
Question
Outline one reason why protocols are used in communications between computers.
Markscheme
Award [2 max].
To provide a set of rules/procedures;
To enable two or more different electronic devices/computers/entities to understand each other during data transfer / enable successful communication;
Examiners report
Candidates were generally able to state that protocols are needed to provide rules and many candidates went on to give an appropriate expansion for the second mark.