Meet 2

Question 1

• The initial program that runs when a computer is powered up or rebooted.
• It is stored in ROM.
• It must know how to load the OS and Start executing that system.
• It must locate and load into memory the OS Kernel.

Answer 1

Bootstrap Program

Question 2

Refers to the process of starting up a computer or initializing a computer.

Answer 2

Booting

Question 3

• The occurrence of an event is usually signaled by an ______ from hardware or software.
• Hardware may trigger _______ at any time by sending a signal to the CPU, usually by the ways of the system bus.

Answer 3

Interrupt

Question 4

Software may trigger an interrupt by executing a special operation called _______.

Answer 4

System Call

Question 5

Types of Computer System based on the number of General Purposes Processors

Answer 5

1. Single Processor Systems.
2. Multi Processor Systems.
3. Clustered Systems.

Question 6

• One main CPU capable of executing a general purpose instruction set, including instructions from user processes.
• Other special purpose processor are also present which perform device specific tasks.

Answer 6

Single Processor Systems.

Question 7

• Also known a parallel systems or tightly coupled systems.
• Has two or more processor in close communication, sharing the computer bus and sometimes clock, memory and peripheral devices.

Answer 7

Multiprocessor Systems

Question 8

Advantages of Multiprocessor System (3)

Answer 8

• Increase throughput
• Economy of Scale
• Increase Reliability