History & Generations
1. In how many generations a computer can be classified?
A. 3
B. 4
C. 5
D. 6
E. None of these
Explanation : There is 5 generation of computer available till now.
1st Generation of Computer = The period of first generation: 1946-1959. Vacuum tube based.
2nd Generation of Computer = The period of second generation: 1959-1965. Transistor based.
3rd Generation of Computer = The period of third generation: 1965-1971. Integrated Circuit based.
4th Generation of Computer = The period of fourth generation: 1971-1980. VLSI microprocessor based.
5th Generation of Computer = The period of fifth generation: 1980-onwards. ULSI microprocessor based.
2. Fifth generation computers are based on
A. Artificial Intelligence
B. Programming Intelligence
C. System Knowledge
D. VVLSI
E. None of these
Explanation : Fifth generation computing devices, based on artificial intelligence, are still in development, though there are some applications, such as voice recognition, that are being used today. The use of parallel processing and superconductors is helping to make artificial intelligence a reality. Quantum computation and molecular and nanotechnology will radically change the face of computers in years to come. The goal of fifth-generation computing is to develop devices that respond to natural language input and are capable of learning and self-organization.
3. First generation of computer was based on which technology?
A. Transistor
B. LSI
C. VLSI
D. Vaccum Tube
E. None of these
Explanation : The first computers used vacuum tubes for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms. They were very expensive to operate and in addition to using a great deal of electricity, generated a lot of heat, which was often the cause of malfunctions.
First generation computers relied on machine language, the lowest-level programming language understood by computers, to perform operations, and they could only solve one problem at a time. Input was based on punched cards and paper tape, and output was displayed on printouts.
The UNIVAC and ENIAC computers are examples of first-generation computing devices.
4. Microprocessor was introduced in which generation of computer?
A. Second Generation
B. Fourth Generation
C. Both (A) and (B)
D. Third Generation
E. Allof these
Explanation : The microprocessor brought the fourth generation of computers, as thousands of integrated circuits were built onto a single silicon chip. What in the first generation filled an entire room could now fit in the palm of the hand. The Intel 4004 chip, developed in 1971, located all the components of the computer—from the Central processing Unit (CPU) and memory to input/output controls—on a single chip.
Tthese small computers became more powerful, they could be linked together to form networks, which eventually led to the development of the Internet. Fourth generation computers also saw the development of GUIs, the mouse and handheld devices.
5. Second generation computers are made of
A. Vaccum Tubes
B. Transistors
C. LSI
D. VLSI
E. None of these
Explanation : Transistors replaced vacuum tubes and ushered in the second generation of computers. The transistor was invented in 1947 but did not see widespread use in computers until the late 1950s. The transistor was far superior to the vacuum tube, allowing computers to become smaller, faster, cheaper, more energy-efficient and more reliable than their first-generation predecessors. Though the transistor still generated a great deal of heat that subjected the computer to damage, it was a vast improvement over the vacuum tube. Second-generation computers still relied on punched cards for input and printouts for output.
Second-generation computers moved from cryptic binary machine language to symbolic, or assembly, languages, which allowed programmers to specify instructions in words. High-level programming languages were also being developed at this time, such as early versions of COBOL and FORTRAN.
6. Who designed the first electronic computer - ENIAC?
A. Von Neuman
B. Joseph M Jacquard
C. J presper Eckert and John W Mauchly
D. Both A and B
E. None of these
Explanation : ENIAC was designed by John Mauchly and J. Presper Eckert of the University of Pennsylvania, U.S.
7. The ............ operating system was initially created in the early 1970s at AT & T's Bell Labs.
A. Linux
B. DOS
C. Unix
D. GNU
E. None of these
Explanation : None.
8. Which was the first web browser?
A.
WorldWideWeb
B. Netscape Navigator C. Internet Explorer D. Safari E. None of theseExplanation : Introduced on 26th February 1991 by British scient
9. Which company is nicknamed "Big Blue"?
A. TCS
B. IBM
C. Microsoft
D. Apple
E. Satyam
Explanation : International Business Machines Corporation, perhaps better known by its acronym IBM, is called the Big Blue.
10. Gmail, a free web-based email service operated by which company -
A. Apple
B. Google
C. Microsoft
D. Yahoo
Explanation : Gmail is a free, advertising-supported email service developed by Google. Users can access Gmail on the web and using third-party programs that synchronize email content through POP or IMAP protocols