What category of application package does microsoft excel belong to ?
Word processing package
Graphics packages
Database management packages
Spreadsheet packages
Correct answer is D
Microsoft Excel is a spreadsheet package. It is used for storing, organizing, and manipulating data. It provides tools for data visualization such as charts and graphs. Word processing packages like Microsoft Word are used for creating, editing, and formatting text documents. Database management packages are used for storing, retrieving, and managing data in a database. Graphics packages are used for creating and editing images, drawings, and illustrations
The following are input devices except
mouse
monitor
Keyboard
joystick
Correct answer is B
The monitor is an output device, not an input device. Input devices are used to input data into a computer system for processing. Examples include a keyboard, mouse, joystick, etc. On the other hand, output devices are used to display or output the processed data. Examples include a monitor, printer, etc.
a trojan
a computer worm
a spyware
a computer virus
Correct answer is B
A computer worm is a computer code that spreads without user interaction, they are not always destructive but can cause network performance and stability problems
The logic gate in the figure above is
XNOR gate
NOT gate
XOR gate
OR gate
Correct answer is C
It's an XOR gate
denoted by Z = A ⊕ B.
A set of moral principles that regulate the use of computers is called
cyber security guidelines
computer ethics
computer safety laws
computer rules
Correct answer is B
Computer ethics is the term used to describe a set of moral principles that regulate the use of computers. It involves questions related to privacy, accuracy, property, and access
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