Operating System

Differentiate between least frequently used and most frequently used page replacement algorithms. (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

A computer technician intends to manage computer files. Explain four file operations he could perform during this process. (8 marks)DICT MOD 1 July 2020

Explain two categories of computer input/output devices in respect to data transfer.(4 marks)DICT MOD 1 July 2020

Explain two circumstances that would cause user level threading during process execution. (4 marks)DICT MOD 1 July 2020

Outline three components of the process scheduler. (3 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 computer disk head scheduling algorithms. (4 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