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Pentium 4 was a series of single-core central processing units (CPU) for desktop PCs and laptops. The series was designed by Intel and launched in November 2000. Therefore statement 1 is incorrect. The operating system is loaded through a bootstrapping process, more succinctly known as booting. A boot loader is a program whose task is to load a bigger program, such as the operating system. Therefore statement 2 is correct. An Analog computer stores data continuously in the form of physical quantities and perform calculations with the help of measures. They are used in the calculation of physical variables such as voltage, pressure, temperature, speed. Whereas, A Digital computer is the most commonly used type of computer and they are extensively used for solving complex problems in the field of engineering & technology, design, research and data processing. Therefore statement 3 is correct. Microcomputers are also called as personal computers and in general parlance, the microprocessor, also known as the Central Processing Unit (CPU), is the brain of all computers and many household and electronic devices. Therefore statement 4 is incorrect. Hence the correct answer will be option B.
Three years ago, 'B' was twice as old as 'A'. In three more years, 'B' will be 60% older than 'A'. What is 'A's current age?
‘A’ is 4 years younger than ‘B’ and 6 years elder than ‘C’. If the present age of ‘B’ and ‘D’ is 28 years and 20 years, respectively...
7 years ago, the ratio of the ages of Pia and Qasim was 9:7. The present age of Tom is 20 years more than one-seventh of Qasim’s present age. Find Tom...
7 years ago, Meera’s age was equal to the Heena’s present age. The sum of Meera’s age 10 years from now and Heena’s age 5 years ...
The present age of A is 7/5 times to that of his marriage age. Present age of his brother is 1/2nd of his present age. If A was married 20 years ago the...
The current ages of 'Aman' and 'Bhanu' are in the ratio 2:5, respectively. 'y' years ago, the age of 'Bhanu' was twice the age of 'Chinky,' while 'y' ye...
The present ages of Vikas and Sneha are in the ratio 7:4, respectively. After 6 years from now, the sum of their ages will be 78 years. Find the present...
The combined current ages of A, B, and C amount to 75 years. Five years from now, A's age compared to C's will be in the ratio of 5:7. Currently, B is 2...
Sum of the present ages of A, B, C and D is 68 years. After 4 years ratio of their ages is 5:4:3:2. What is C’s present age?