Which term is related to database ?
Answer: C
Oracle is a database.
Oracle Database, released in 1979, was the first commercial relational database and remains among the most widely used in large enterprises. C++, Java and PHP are programming languages.
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Data stored in ROM is-
Answer: A
Data in ROM is permanent.
It is written when the chip is manufactured or programmed and cannot be changed in normal operation, and it survives without power. That is why the boot firmware is kept there.
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ULSI microprocessor is used in which generation of computers ?
Answer: D
ULSI microprocessors belong to the fifth generation.
Ultra large scale integration puts millions of transistors on one chip. The fourth generation used VLSI, the third integrated circuits, the second transistors and the first vacuum tubes.
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By pressing which key we can move to beginning of a page ?
Answer: A
The Home key moves to the beginning.
It goes to the start of the line, and Ctrl+Home to the start of the document. End does the reverse, and Page Up and Page Down move a screen at a time.
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What is the name of a device that converts digital signals to analog signals-
Answer: A
Modem is short for modulator–demodulator.
It modulates the computer's digital data onto an analogue carrier for transmission down a telephone line, and demodulates the incoming signal back into data at the other end.
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Which of the following is a non-volatile memory ?
Answer: B
ROM is non-volatile memory.
Its contents survive without power. RAM is volatile. VLSI and LSI are not memory types at all but scales of integration - very large and large scale integration.
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From which year 5th generation of computers is considered ?
Answer: B
The fifth generation of computers is reckoned from about 1980.
It is characterised by ULSI chips, parallel processing and work on artificial intelligence - the term came from Japan's Fifth Generation Computer Systems project announced in 1981.
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Which among following is responsible for finding and loading operating system into RAM ?
Answer: C
The bootstrap loader finds and loads the operating system into RAM.
The BIOS reads it from the boot sector and hands over control; it then locates the kernel and loads it. The name comes from the idea of pulling oneself up by one's own bootstraps.
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Which operating system is developed by Apple ?
Answer: D
macOS is Apple's operating system.
It descends from NeXTSTEP, which Apple acquired with NeXT in 1997, and is built on a Unix foundation. Windows and DOS are Microsoft's and Linux is free software.
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Which is known as the most powerful type of computer
Answer: C
The supercomputer is the most powerful type.
It is measured in floating-point operations per second, and the fastest now exceed an exaflop. Such machines are used for weather forecasting, climate modelling, molecular simulation and nuclear research.
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