Q. What do you mean by the term computer?
Ans. The term computer comes from the word ‘COMPUTE’ it’s a Greek language which means doing calculation. Charles Babbage give name to computer.
Q. What is generation of computer?
Ans. The advancement in the step of technology is known as generation of computer. Till date fifth generation of computer has taken place.
Q. Who was the modern of computer and why?
Ans. Charles Babbage was not as the after of modern computer because of its two great invention.
ü. Different engine in the year 1832.
üi. Analytical engine in the year 1833.
Q. Name the first automatic computer of the world?
Ans. Mark I was the first automatic computer of the world which has invented by howardaicon.
Q. Which was the first fully automatic computer in the world?
Ans. ENIAC was the first fully automatic computer in the world .
Q. What is super computer?
Ans. Super computer are being used by government agencies and research and development center. It is also being used by universities for development center.
Q . Who produces super computer in the world?
Ans. The five countries who produces super computer are :-
INDIA
JAPAN
USA
UK
CHINA
DEVELOPMENT CENTER:-
i) BARC – Bhabha Atomic Research Centre (PUNE)
ii) DRDO- Defence Research And Development Organisation (DEHRADHUN)
iii) ISRO- Indian Space Research Organisation.(Benguluru)
Q. What is Main Frame computer?
Ans. A main frame computer is usually slower, less powerful and less expensive than Super computer. Main frame computer can perform several million program, instruction per second. It is mainly used by large company such as: hospital, insurance company, railway reservation, airline, bank etc because it can handle large program with lots of data within a room size.
Q. What is minicomputer?
Ans. It Is Smallest Than Main Frame Computer. It Is A General Purpose Computer And Gives Computing Power Without Adding Prohabitative Expenses Associated. The Minicomputers Are Not Portable But This Can Be Move More Easily Than Main Frame Computer. It Is Used In Commercial And Technical Operation Which Is Mainly Used For Accounting Database Management, Statistics For Social Studies, Cad (Computer Aided Designing), DDP (Distributed Data Process).
Q. What is micro computer?
Ans. A micro computer is the smallest and least expensive of all the computer. The main difference between micro computer and minicomputer or main frame computer are that micro computers have smallest memory, less power, physically smaller and permit fewer peripherals to the attached.
Q. What are the categories of PC ?
Ans.There are three categories of PC.
1. Desktop
2. Laptop
3. Palmtop
Q. What is Digital computer?
Ans. Digital computer works on digital signal. Digital Signals are composed of binary number i.e. ‘o’ and ‘I’. it represents the levels of ‘presence’ and ‘absence’ of voltage or ‘on’ and ‘off’. This computer understands only Machine level language (MLL). These languages are very helpful for the programmer to develop the computer task.
Q. What is analog computer ?
Ans.The analog computer works on analog data. This type of computer recognizes data as a continues measurement of a physical quantity . it is used in measuring pressure (BP), speed, temperature and voltage etc. ECG system is another example of analog computer which produce a long stripe chart of heart beat which is drawn by a vibrating pen on moving paper.
Q. what is Hybrid computer?
Ans. Hybrid computer is a combination of analog and digital computer having components of both types of computer. This computer combines the best feature of analog and digital computer. This possesses the speed of analog computer and the accuracy of digital computer. The Hybrid Computer are used to solve special problems in which we input analog data and are converted into digital data.
Q. What is Drive?
Ans. A drive is one of the vital part of a computer system. It is an internal memory of computer system, users create different partition of it such as c: , d: etc into it . All the folder and sub folder and kind of documents and files are being saved here for future use.
Q. what are the uses of computer ?
Ans. In the present days, what we see in our daily life are the uses of computer. The area of application of computer is increasing very rapidly. The major area where the computer are being used moistly are as follows:
i.In engineering and research development
ii.In commercial and financial sector.
iii.In office automation.
iv.In drawings, designing and manufacturing field.
v.In teaching
vi.In information and communication system.
vii.In weather forecasting.
viii.In robotics and remote sensing.
