⟩ To delete a file without allowing it to store in recycle bin a. Press Delete key b. Press Shift + Delete key c. Press Ctrl + Delete key d. Press Alt + Delete key
b. Press Shift + Delete key
b. Press Shift + Delete key
While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt? a. Copy a *.txt b. Copy *.txt a c. Copy *.txt c d. Copy *.txt all.txt
Which type of command in DOS needs additional files for their execution? a. Internal commands b. External commands c. Batch commands d. Redirectors
..... runs on computer hardware and serve as platform for other software to run on a. Operating system b. Application software c. System software d. All
..... is the layer of a computer system between the hardware and the user program. a. Operating environment b. Operating system c. System environment d. None
The primary purpose of an operating system is ..... . a. To make the most efficient use of the computer hardware b. To allow people to use the computer c. To keep systems programmers employed d. To make computers easier to use
..... transforms one interface into another interface. a. Program b. Software c. Data d. None
Multiprogramming system a. Are easier to develop than single programming system b. Execute each job faster c. Execute more jobs in the same time period d. Are used only one large mainframe computers
.....is the first program run on a computer when the computer boots up. a. System software b. Operating system c. System operations d. None
..... share characteristics with both hardware and software. a. Operating system b. Software c. Data d. None
..... interface consists of things like program counter, registers, interrupts and terminals a. Hardware b. Software c. Data d. None