Operating System

Outline four computer disk head scheduling algorithms. (4 marks)DICT MOD 1 July 2020

Explain two advantages of memory overlay. (4 marks)DICT MOD 1 July 2020

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

Explain two advantages of Network Operating Systems. (4 marks)DICT MOD 1 July 2020

Define each of the following terms in respect to computers’ input/output devices: G) spooling; (1 mark) Gi) caching: (1 mark) (li) buffering. (1 mark) (iv) device controller. (1 mark)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

James intends to change attributes of computer files in a network so as to control their access. Explain two file access modes he would consider t apply. (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