Operating System

Input/output device controllers are associated with computer peripheral devices.Explain three functions of these controllers. (6 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

Explain two types of inter-process communication in operating systems. (4 marks)DICT MOD 1 July 2020

Outline four essential approaches used when implementing mutual exclusion to manage shared resources. (4 marks)DICT MOD 1 July 2020

Differentiate between automatic repeat request and forward error correction operating systems. (4 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

Internal fragmentation occurs during file storage. Explain two disadvantages of this type of fragmentation. (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

Outline four disk operating system commands that could be used to manage files in a computer. (4 marks)DICT MOD 1 July 2020

The administrator of a computer intends to identify the properties of files in a directory. State eight file properties that he may identify. (4 marks)DICT MOD 1 July 2020