When was vacuum tube invented?
1900
1906
1910
1880
Answer : B
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1) Which of the printers used in conjunction with computers uses dry ink powder?
2) A system is
an integration of different units so as to achieve an objective
input unit
input and output unit
input, output and storage units
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3) In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board?
4) In which year was UK’s premier computing event called ?The which computer? started?
5) Instruction in computer languages consists of
