Which of the following is not a method of filing
Random
Sequential
Serial
Geographical
Correct answer is D
Geographical method of computer filing doesn't exist
Which process is used by large retailers to study trends?
Data mining
Data selection
Data conversion
Pos
Correct answer is A
Data mining is used to study trends by large retailers
Which of the following is not a stage of system development cycle?
Design
Test running
Implementation
Observation
Correct answer is D
Observation isn't a stage of system development cycle
Data path
Controller
Registers
Cache
Correct answer is A
The data path contains all hardware necessary to perform every operation. A controller tells the data path what needs to be done
Computers are used majorly at offices for ____________
Recreational purposes
Research purposes
Storage purpose
Security purposes
Correct answer is C
In offices, computers are majorly used to store files and other confidential