Software - Computer Science CIE IGCSE

Interrupts are...

• Software-based

• Hardware-based

Allows a computer to multitask

• Operating System

• Interrupts

• HDD

• Bespoke software

The interrupt handler...

• Allows the computer to multitask

• Saves the current task whilst the interrupt is dealt with

• Reinstates the current task once the interrupt is dealt with

• Manages interrupt priorities

What is another name for the BIOS?

• Firmware

• Bootstrap

• Interrupt handler

• EEPROM

Where is the BIOS stored?

• Firmware

• HDD

• Operating system

• EEPROM

What can interrupts be caused by?

• A timing signal

• System clock

• computer crash

• input/output process

• hardware fault

What can interrupts be caused by?

• User interaction

• simple server system

• EEPROM

• software errors

What does the computer establish once the interrupt has been generated?

• Interrupt type

• Interrupt handling

• Interrupt priority

• Interrupt timing

The computer uses this to carry out an interrupt

• EEPROM

• RW

• ISR

• BIOS

What does ISR stand for?

• International Space Recruit

• Internet System Real

• Inter-technological Software Register

• Interrupt Service Routine