Computer Questions Answers for Competitive Exams Set-17

 Computer Questions  Answers for Competitive Exams Set-17

||Computer Questions  and Answers for Competitive Exams Set-17||Computer Questions  Answers for JOA IT,Computer operator & other exams||important computer related question answer|| 

Computer Questions  Answers for Competitive Exams Set-17


1. Which one of the following companies announced sometime back the launch of India’s first personal computer with one terabyte hard drive capacity? 

(A) Infosys Technologies 

(B) Wipro 

(C) HCL Infosystems 

(D) IBM 

Explanation:-On 15th July, 2007, HCL InfoSystem Ltd. India’s premier information and the country’s largest PC manufacturer announced the launch of India’s first personal computer with one terabyte hard drive capacity in the market.

 

2. Nano technology deals with objects with dimensions in the range of 

(A) 10–3 m 

(B) 10–6 m 

(C) 10–9 m 

(D) 10–12 m 

Explanation:- Nanotechnology (sometimes shortened to “nanotech”) is the manipulation of matter on an atomic and molecular scale. Generally, nanotechnology works with materials, devices, and other structures with at least one dimension sized from 1 to 100 nanometres which is equal to 10–9 m.

 

3. An Intelligent terminal 

(A) has a microprocessor, but cannot be programmed by the user 

(B) can process small data processing jobs, with the use of a large CPU 

(C) interacts with the user in English 

(D) cannot take data from the user 

Explanation:- An Intelligent terminal is A terminal with built-in processing capability, but no local disk or tape storage. It may use a general-purpose CPU or may have specialized circuitry as part of a distributed intelligence system. Intelligent terminals include memory and a processor to perform special display operations.

 

4. Processor’s speed of a computer is measured in 

(A) BPS 

(B) MIPS 

(C) Baud 

(D) Hertz 

Explanation:-million instructions per second (MIPS) is a measure of a computer’s processor speed. Many reported IPS values have represented “peak” execution rates on artificial instruction sequences with few branches, whereas realistic workloads typically lead to significantly lower IPS values.


5. ‘C’ language is a 

(A) Low level language 

(B) High level language 

(C) Machine level language 

(D) Assembly level language 

Explanation:-C is a high level language. In computing is a general-purpose programming language initially developed by Dennis Ritchie between 1969 and 1973 at Bell Labs. C is one of the most widely used programming languages of all time, Many later languages have borrowed directly or indirectly from C, including C#, D, Go, Java, JavaScript, Limbo, LPC, Perl, PHP, Python, and Unix’s C shell.

 

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6. Window 7, the latest operating system from Microsoft Corporation has ....... Indian languages fonts. (A) 14 

(B) 26 

(C) 37 

(D) 49 

Explanation:-Windows 7 is the first version of Windows to ship with more fonts for non-Latin scripts than for Latinbased scripts. One major area of improvement is for the languages of India. earlier windows have nine (9) fonts for Indian languages that shipped in Vista, Windows 7 adds forty (40) more. Windows 7 will now include multiple fonts (often in multiple weights) for each of the official languages of India.


7. In a 14" TV or computer monitor, the dimension of 14" stands for 

(A) the length of the screen 

(B) the breadth of the screen 

(C) the diagonal of the screen 

(D) the maximum length of the screen 

Explanation:-The size of a display is usually by monitor manufacturers given by the diagonal, i.e. the distance between two opposite screen corners. This method of measurement is inherited from the method used for the first generation of CRT television, when picture tubes with circular faces were in common use. Being circular, only their diameter was needed to describe their size. Since these circular tubes were used to display rectangular images, the diagonal measurement of the rectangle was equivalent to the diameter of the tube’s face.

 

8. Who is called the Father of Computer ? 

(A) Charles Babbage 

(B) Stephen Hawking 

(C) W.G. Grace 

(D) John Lennon

Explanation:-Charles Babbage, was an English mathematician, philosopher, inventor and mechanical engineer who originated the concept of a programmable computer. Considered as “father of the computer”, Babbage is credited with inventing the first mechanical computer that eventually led to more complex designs.

 

9. What is clickjacking ? 

(A) Malicious technique of tricking Web usear into revealing confidential information 

(B) A device that sends and receives data in a bit second 

(C) A form of Computer Engineering 

(D) A digital process that is used to display an image on monitor 

Explanation:-Clickjacking is a malicious technique of tricking a Web user into clicking on something different to what the user perceives they are clicking on, thus potentially revealing confidential information or taking control of their computer while clicking on seemingly innocuous web pages. It is a browser security issue that is vulnerability across a variety of browsers and platforms. A clickjack takes the form of embedded code or a script that can execute without the user’s knowledge, such as clicking on a button that appears to perform another function. The term “clickjacking” was coined by Jeremiah Grossman and Robert Hansen in 2008.


10. As announced by the Finance Minister in his Budget speech on 28th February, 2011, with a view to assist States in modernising their stamp and registration administration, E-stamping is expected to be rolled out in all the districts of different States in a period of 

(A) one year 

(B) two years 

(C) three years

(D) five years 

Explanation:-Finance Minister in his Budget speech on 28th February, 2011 said that “Five years ago, we took an initiative to introduce a modern and people-friendly e-stamping facility in the country. Only six States have introduced this system so far. I propose to launch a new scheme with an outlay of Rs 300 crore to provide assistance to States to modernise their stamp and registration administration and roll out estamping in all the districts in the next three years.


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