Which among the following generation computers had expensive operation cost?
First
Second
Third
Fourth
Correct answer is A
The first generation computers had extensive operation cost because of many reasons such as the excess consumption of electricity, high generation of heat, as well as the cost of maintaining it
System software has which major function?
Giving utility
making navigation easier for user
controlling the computer system
maintain the system
Correct answer is C
The system software controls the computer system.
System software controls a computer's internal functioning, chiefly through an operating system, and also controls such peripherals as monitors, printers, and storage devices
The explorer bar is divided into _________ categories.
2
3
5
7
Correct answer is B
The explore bar is divided into three categories
Which of the following is not a model used in problem solving?
critical thinking
SDCL
waterfall
prototype
Correct answer is C
Waterfall is not a model used in solving problems
The delete permission allows one to ____________
share music
delete or remove files and directories
read files and directories
modify files and directories
Correct answer is B
Delete or remove files.
You can delete a permission that is associated with a user account. When you delete a permission, you remove it from use for all user accounts