21. The central electronic, component used in first, generation computers, was ________________
A) Transistors,
B) Vacuum Tubes and Valves,
C) Integrated Circuits,
D) None ,
see answer
B) Vacuum Tubes and Valves,
22. A dumb terminal, has : ________________________________
A) An embedded, microprocessor,
B) Extensive memory,
C) Independent, processing capability,
D) A keyboard and screen,
see answer
D) A keyboard and screen,
23. One “millisecond” is _____________________________________
A) 1 second,
B) 10th of a seconds,
C) 1000th of a seconds,
D) 10000th of a seconds,
see answer
C) 1000th of a seconds,
24. The output excellence, of a printer is dignified by ________________________
A) Dot per sq. inch,
B) Dot per inch,
C) Dots printed per unit time,
D) All ,
see answer
A) Dot per sq. inch,
25. Which of the, following was a superior, purpose computer?
A) ABC,
B) ENIAC,
C) EDVAC,
D) All,
see answer
A) ABC,
26. What was the, computer invented by “Attanasoff” and Clifford”?
A) Mark I,
B) ABC,
C) Z3,
D) None,
see answer
B) ABC,
27. Which of the subsequent, storing devices can store, determined amount of, data?
A) Floppy Disk,
B) Hard Disk,
C) Compact Disk,
D) Magneto Optic Disk,
see answer
B) Hard Disk,
28. Which computer was painstaking, the first electronic computer, until 1973 when court ,overturned the patent?
A) ENIAC,
B) MARKI,
C) Z3,
D) ABC,
see answer
A) ENIAC,
29. A physical connection, between the microprocessor ,memory and other parts, of the microcomputer, is known as ______________________________
A) Path,
B) Address bus,
C) Route,
D) All,
see answer
B) Address bus,
30. Extraordinary density, double sided floppy disks, could store of data _________________
A) 1.40 MB,
B) 1.44 GGB,
C) 1.40 GB,
D) 1.44MB,
see answer
D) 1.44MB,
