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Which of the following statements regarding interface circuit are correct? 1. Electrical buffering is needed when the peripheral operates at a different voltage or current to that on the microprocessor bus system or there are different ground references. 2. Timing control is needed when the data transfer rates of the peripheral and the microprocessor are different. 3. Changing the number of lines is needed when the codes used by the peripherals differ from those used by the microprocessor.
Select the correct differences between char and varchar data types? i. varchar is non unicode and char is unicode character data type ii. char is ‘n’ bytes whereas varchar is actual length in bytes of data entered in terms of storage size iii. varchar is variable in length and char is the fixed length string iv. For varchar, if a string is less than the maximum length then it is stored in verbatim without any extra characters while for char if a string is less than the set length it is padded with extra characters to equalize its length to given length
Study the information carefully and answer the questions given below: If we arrange the alphabets in the word "RATE" in the English alphabetical order, word "AERT" is formed. Then the third alphabet from the left in this word is "R". similarly, from the word "OPEN" we get - "ENOP" and the third alphabet from the left is "O". From the word "CHEF" we get - "CEFH" the third alphabet from the left "F". From the word "TOY" we get - "OTY" and the third alphabet from the left is "Y". From the word "EAT" we get - "AET" and the third alphabet from the left is "T" If we use all these letters, then a meaningful English word "FORTY" can be formed. Now find which of the following word set DOES NOT give a meaningful word in a similar way.
A microprocessor integrates the arithmetic logic and control circuitry of a computer into one chip. The first microprocessor was built by a group of engineers at the Intel Corpn. Can you tell who headed this group?
An ADC is interfaced with a microprocessor as shown in the figure. All signals have been indicated with typical notations. Acquisition of one new sample of the analog input signal by the microprocessor involves
Which microprocessor is a second generation microprocessor among the following?
Which microprocessor is a third generation microprocessor among the following?
Second generation microprocessor was a 4 bit microprocessor.
Which microprocessor is a fourth generation microprocessor among the following?
A sheet of paper is cut into three pieces in certain way. Length of first piece of paper is equal to average of three single digit odd prime numbers while length of second piece is equal to the sum of length of first piece and one-third the length of third piece. Length of third piece is equal to the sum of lengths of first and second pieces. Find the length of original sheet.