$1.$ Which of the following $($approximately$)$ lists the types of computers in ascending order of their

typical size and efficiency?

a$.$ workstation, tablet, laptop, notebook, main$-$frame, desk$-$top, mobile computer

b$.$ tablet, supercomputer, laptop, notebook, main$-$frame, desk$-$top, workstation

c$.$ tablet, notebook, lap$-$top, desk$-$top, workstation, main$-$frame, super computer

d$.$ main$-$frame, workstation, tablet, super computer, note book, desk$-$top, lap$-$top