Operating System

Differentiate between automatic repeat request and forward error correction operating systems. (4 marks)DICT MOD 1 July 2020

A group of students were discussing the following terms during an operating system lesson. Provide the possible explanation they would have provided for each of the following terms: (i) job; (2 marks) (ii) shell. (2 marks)DICT MOD 1 July 2020

The CPU passes information to and from an input/output device using the computer buses. Explain three types of such buses. (6 marks)DICT MOD 1 July 2020

Distinguish between virtual memory and primary memory of the computer system. (4 marks)DICT MOD 1 July 2020

Outline three components of the process scheduler. (3 marks)DICT MOD 1 July 2020

Distinguish between logical file system and basic file system in file systems structure. (4 marks)DICT MOD 1 July 2020

Files are allocated disk space by the operating system using linked allocation method, Explain four characteristics of this method. (8 marks)DICT MOD 1 July 2020

Differentiate between least frequently used and most frequently used page replacement algorithms. (4 marks)DICT MOD 1 July 2020

Outline four objectives of computer memory management in regards to relocation. (4 marks)DICT MOD 1 July 2020

Explain two circumstances under which biometric security system could be used for the purpose of file security. (4 marks)DICT MOD 1 July 2020