1. Memory Management: - The memory management module of an Operating System takes
care of the allocation reallocation of memory space to the various program in need of this
resource.
2. File Management: This includes physical storage location, file permission and file access.
Keeping track of all different files & maintaining the integrity data stored in the files
including file directory structure.
3. Device Management: Accept input and store data on disks and send data to output devices
4. Security: Control access to system resources by Protection against unauthorized access by
use of logins and passwords
5. Job Control: - When the user wants to run an application program, he must communicate
with the Operating System telling it what to do. He does this using Operating System job
control language or JCL. JCL consists of a number of Operating Systems commands, called
system commands that control the functioning of the Operating System.
Kavungya answered the question on May 13, 2019 at 13:39
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a) Briefly explain six functional areas Served by a computer operating system.
b) Outline six activities undertaken during the information system implementation and
evaluation stage.
c) Highlight eight...
(Solved)
a) Briefly explain six functional areas Served by a computer operating system.
b) Outline six activities undertaken during the information system implementation and
evaluation stage.
c) Highlight eight situations in a typical, office environment where connection between
computing devices might be required.
Date posted:
May 13, 2019
.
Answers (1)
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Highlight ten tasks performed in the creative stage of systems development life cycle.
(Solved)
Highlight ten tasks performed in the creative stage of systems development life cycle.
Date posted:
May 13, 2019
.
Answers (1)
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Identify five activities of tin operating system in regard to file management.
(Solved)
Identify five activities of tin operating system in regard to file management.
Date posted:
May 13, 2019
.
Answers (1)
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(i) State three activities that take place during computer booting process.
(ii) Identify three features of a Basic Input/output system,
(Solved)
(i) State three activities that take place during computer booting process.
(ii) Identify three features of a Basic Input/output system,
Date posted:
May 13, 2019
.
Answers (1)
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a)Explain how operating systems create an impression of doing several jobs at the same time.
b)i) Define the term "real-time processing system".
ii) State two examples of...
(Solved)
a)Explain how operating systems create an impression of doing several jobs at the same time.
b)i) Define the term "real-time processing system".
ii) State two examples of real-time processing systems
Date posted:
May 13, 2019
.
Answers (1)
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Differentiate between:
i. Multitasking and single tasking operating system
ii. old booting and warm booting
(Solved)
Differentiate between:
i. Multitasking and single tasking operating system
ii. old booting and warm booting
Date posted:
May 13, 2019
.
Answers (1)
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Fourth generation languages (4GL’s) consist of a variety of software tools which enable end
users to .develop software applications with minimal or no technical assistance or...
(Solved)
Fourth generation languages (4GL’s) consist of a variety of software tools which enable end
users to .develop software applications with minimal or no technical assistance or that enhance
the productivity of professional programmers.
Required:
Describe the features of 4GLs which make them to be preferred by programmers for application
development.
Date posted:
May 13, 2019
.
Answers (1)
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Mr. Charles Midika operates a computer bureau which specializes in preparing customers'
curriculum vitae (CVs) and in developing and printing organizations’annual
Required:
Identify four features of computer software...
(Solved)
Mr. Charles Midika operates a computer bureau which specializes in preparing customers'
curriculum vitae (CVs) and in developing and printing organizations’annual
Required:
Identify four features of computer software which would be suitable for Mr. Charles Midika's
bureau.
Date posted:
May 13, 2019
.
Answers (1)
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A systems developer requires a range of software utilities.
Required:
Define the term "software utility" and describe three types of software utilities.
(Solved)
A systems developer requires a range of software utilities.
Required:
Define the term "software utility" and describe three types of software utilities.
Date posted:
May 13, 2019
.
Answers (1)
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The following diagram gives an overview of computer software:
Required:
Identify two examples of each of the following computer software’s:
i. General purpose application programs.
ii. Application specific...
(Solved)
The following diagram gives an overview of computer software:
Required:
Identify two examples of each of the following computer software’s:
i. General purpose application programs.
ii. Application specific programs.
iii. System management programs.
iv. Systems development programs.
Date posted:
May 13, 2019
.
Answers (1)
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People who use modern general purpose computers usually observe three layers of computer
software performing a variety of tasks
Identify and briefly describe the three layers of...
(Solved)
People who use modern general purpose computers usually observe three layers of computer
software performing a variety of tasks
Identify and briefly describe the three layers of computer software as usually observed by
general purpose computer users
Date posted:
May 13, 2019
.
Answers (1)
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(i) Briefly explain the term "machine level programming language".
(ii) State two advantages and three disadvantages of a machine level programming language.
(Solved)
(i) Briefly explain the term "machine level programming language".
(ii) State two advantages and three disadvantages of a machine level programming language.
Date posted:
May 13, 2019
.
Answers (1)
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a) Outline four examples of computer utility programs,
b) Briefly discuss four factors to be considered when, selecting open source software.
(Solved)
a) Outline four examples of computer utility programs,
b) Briefly discuss four factors to be considered when, selecting open source software.
Date posted:
May 13, 2019
.
Answers (1)
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Explain the following computer hardware and software specifications:
iv. LinuxMint II.
v. LibreOffice Impress
(Solved)
Explain the following computer hardware and software specifications:
iv. LinuxMint II.
v. LibreOffice Impress
Date posted:
May 13, 2019
.
Answers (1)
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Discuss the factors that determine the processing power of a computer.
(Solved)
Discuss the factors that determine the processing power of a computer.
Date posted:
May 13, 2019
.
Answers (1)
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a) Distinguish between the following terms in the context of information communication
technology (ICT):
i. Workstation and server.
ii. Light pen and digitizer.
b) Highlight the benefits of secondary...
(Solved)
a) Distinguish between the following terms in the context of information communication
technology (ICT):
i. Workstation and server.
ii. Light pen and digitizer.
b) Highlight the benefits of secondary storage in data management.
Date posted:
May 13, 2019
.
Answers (1)
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Briefly explain the functions of the following peripheral devices of a computer system
i. Webcam
ii. Head set
iii. Joystick
(Solved)
Briefly explain the functions of the following peripheral devices of a computer system
i. Webcam
ii. Head set
iii. Joystick
Date posted:
May 13, 2019
.
Answers (1)
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a) Highlights six hardware devices found inside the computers’ system unit.
b) Briefly describe four classifications of printers based on their technology
(Solved)
a) Highlights six hardware devices found inside the computers’ system unit.
b) Briefly describe four classifications of printers based on their technology
Date posted:
May 13, 2019
.
Answers (1)
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a) Explain the two main reasons why the following types of memory are used for certain
functions in a computer:
i. Random access memory (RAM).
ii. Read only...
(Solved)
a) Explain the two main reasons why the following types of memory are used for certain
functions in a computer:
i. Random access memory (RAM).
ii. Read only memory (ROM).
b) Identify three local area network (LAN) connecting devices.
c) Distinguish between "serial" and "parallel" processing.
d) Briefly explain three benefits of secondary storage.
Date posted:
May 13, 2019
.
Answers (1)
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Describe the following characteristics of computer "memory
i. Mutability
ii. Accessibility
iii. Addressability
iv. Volatility
(Solved)
Describe the following characteristics of computer "memory
i. Mutability
ii. Accessibility
iii. Addressability
iv. Volatility
Date posted:
May 13, 2019
.
Answers (1)