Operating System

Explain two categories of computer input/output devices in respect to data transfer.(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

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

Differentiate between least frequently used and most frequently used page replacement 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

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

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

Explain two functions of computer directories in a computer system. (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