Answer Key with Explanation : Mock Exam #11

1. Process is

1. program in High level language kept on disk
2. contents of main memory
3. a program in execution
4. a job in secondary memory

Exp : In computing, a process is an instance of a computer program that is being executed. It contains the program code and its current activity. Depending on the operating system (OS), a process may be made up of multiple threads of execution that execute instructions concurrently.

2. Who created DOS operating sytem

1. Tim Paterson
2. Paul Allen
3. Bill Gates
4. Steve Jobs

Exp: Tim Paterson (born 1956) is an American computer programmer, best known for creating 86-DOS, an operating system for the Intel 8086.
3.A system program that combines the separately compiled modules of a program into a form suitable for execution

1. assembler
2. linking loader
3. cross compiler
4. load and go

linking loader.  A loader which combines the functions of a relocating loader with the ability to combine a number of program segments that have been independently compiled into an executable program.

4. Mobile Operating system based on Linux Kernel

1. IOS
2. Android
3. Bada
4. Blackberry

Android is a mobile operating system developed by Google, based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets.

 

5.The principle of locality of reference justifies the use of

1. reenterable
2. non reusable
3. virtual memory
4. cache memory 

In computer science, locality of reference, also known as the principle of locality, is a term for the phenomenon in which the same values, or related storage locations, are frequently accessed, depending on the memory access pattern.