O-LevelComputer ScienceSoftware2210/12 · Oct/Nov 2021 · Q94 Marks
Padma opens an application on her computer. An interrupt is generated to inform the Central Processing Unit (CPU) that the application has been opened.
- (a)Give three other examples of when an interrupt signal could be generated. 1 2 3[3]
- (b)State what would happen if interrupt signals were not used in a computer.[1]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2021). The mark or mark type is shown in brackets.
- 9(a) Any three from: e.g. - A suitable description of any error that might occur; - A peripheral is connected/disconnected; - A key on a keyboard is pressed; - A mouse button click; - A phone/video call is received; - A buffer requires more data; - A printer has a paper jam; - A printer runs out of paper; - A printer runs out of ink; - When switching from one application to another NOTE: If three suitable different errors are described, this can be awarded three marks.
- 9(b) Any one from: - The computer would only start a new task when it had finished processing the current task // by example; - Computer will not be able to multitask; - Errors may not be dealt with; - Computer would become impossible to use
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →