A user interface of a computer is...

the boundary between human user and the machine.

Privileges are the rights assigned to users and groups. Features such as:

- read - write - execute (run it if it is a program)

Custom written software is...

software specifically created for a particular purpose.

Application software (e.g. word processors, hotel booking systems, e.t.c.)...

handles real world jobs that users want to do.

Operating systems to need to manage memory. They have to make surethat...

Important data is not overwritten during running programs.

Off the shelf software is.

Software that bought from a supplier ,ready to install.

Utility software (e.g. firewalls, system cleanup, defragmentation)...

Limited functionality and maintains computer systems.

A graphical user interface (GUI) uses images, to provide an interface. They are useful because.

Keyboard use is minimal and does not need to learn commands, The user does not need to learn commands

The operating system is a set of programs that.

Controls the hardware and lets users and applications work

Open source software is...

Software placed in the public domain by programmers.

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Answers

1
A user interface of a computer is...
the boundary between human user and the machine.
the boundary between human user and an application.
the boundary between human user and the internet.
2
Privileges are the rights assigned to users and groups. Features such as:
write, protect and execute.
- read - write - execute (run it if it is a program)
Read, protect and execute.
3
System Software
controls the hardware.
Is used to maintain computer systems.
handles real world jobs that users want to do
4
A command line interface requires users to...
Type commands.
. type responses.
click on icons.
5
Custom written software is...
Software that can be bought from supplier, ready to install.
software specifically created for a particular purpose.
software that is developed for profit by a company.
6
Application software (e.g. word processors, hotel booking systems, e.t.c.)...
is used to maintain computer systems.
controls the hardware.
handles real world jobs that users want to do.
7
Operating systems to need to manage memory. They have to make surethat...
Important programs are not overwritten on a running program
Important data may be overwritten.
Important data is not overwritten during running programs.
8
Off the shelf software is.
Software that bought from a supplier ,ready to install.
. software specifically created for a particular purpose.
software placed in the public domain by programmers
9
Utility software (e.g. firewalls, system cleanup, defragmentation)...
Has limited functionality and used to maintain applications
Has full functionality used to maintain computer systems
Limited functionality and maintains computer systems.
10
A graphical user interface (GUI) uses images, to provide an interface. They are useful because.
Keyboard use is minimal and does not need to learn commands
The user does not need to learn commands
They make typing commands easier.
11
The operating system is a set of programs that.
Controls the hardware and lets users work the computer.
Lets users and applications work with the computer.
Controls the hardware and lets users and applications work
12
Open source software is...
Software placed in the public domain by programmers.
May have additional features that the userdoes not need.
software specifically created for a particular purpose.

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