When was the world’s first laptop computer introduced in the market and by whom?
A. Hewlett-Packard, 1980
B. Epson, 1981
C. Laplink Traveling Software Inc, 1982
D. Tandy Model-200, 1985
The first firm to mass-market a microcomputer as a personal computer was:
A. IBM
B. Super UNIVAC
C. Radio Shaks
D. Data General Corporation
E. :All of the above
A computer consists of:
A. A central processing unit
B. A memory
C. Input and output unit
D. All of these
Where a computer mouse moves over the table surface, the trackball is:
A. Stationary
B. Difficult to move
C. Dragged
D. Moved in small steps
Masood purchased a plot for Rs. 8,000. He sells the plot to Aftab at a profit of 20%. Aftab in turn sells that plot to Zahid at a loss of 20%. The plot costs Zahid?
A. Rs. 12,000
B. Rs. 10,000
C. Rs. 8670
D. Rs. 7680
A candidate got 35% of the votes polled and he lost to his rival by 2250 votes. How many votes were cast?
A. 7500
B. 5000
C. 6000
D. 3500