FA_CS_A LEVEL-System Software

What do you call a program in execution?

• a) Command

• b) Process

• c) Task

• d) Instruction

What is true for the compiler? .

• a. A compiler does a conversion line by line as the program is run

• b. A compiler converts the whole of a higher level program code into machine code in one step.

• c. A compiler is general purpose language providing very efficient execution

• d. All of the above

Keeping track of the location of processes in memory and allocating space to new processes is known as...

• Memory Management
• Process Management
• Memory Scheduling
• Process Scheduling

What is the purpose of an operating system?

• Manage software on computer
• Manage hardware on computer
• Manage all hardware & software on computer

What do device drivers do?

• Allows the OS to communicate with hardware

• Drives around the motherboard

• Increases the amount of storage

Which of these is not a function of an OS:

• Provide a user interface

• Communicate with hardware

• Allow the computer to multi-task

• Improves CPU performance

A message sent by the OS to change the CPU schedule is known as...

• Interupt
• Poll
• Cache
• Defrag

A process is a...

• program in execution
• program on the hard drive
• high level program
• low level program 

Allocating time on the processor to individual processes is known as...

• CPU Scheduling
• CPU Timing
• CPU Clocking
• CPU Sorting

1. What is the primary role of the operating system in resource management?

• 1. A. Maximising software speed

• 1. B. Managing the file system

• 1. C. Allocating memory and processor time

• 1. D. Translating source code