Q. Which of the following is true?

View solution

Q. DMA stands for

View solution

Q. 8085 data bus has 8 lines and is bidirectional.

View solution

Q. It is difficult to write a program in a machine language.

View solution

Q. A string variable in Basic is

View solution

Q. RESET OUT signal when high indicates that

View solution

Q. For a 16 bit computer the range of integer constants in C is

View solution

Q. In which group of 8085 instructions condition flags are not affected?

View solution

Q. In 8085, the instruction CMA is an example of

View solution

Q. Assertion (A): Static RAMS are used where speed of operation is of primary concern.

Reason (R): Dynamic RAM has lower cost per bit than static RAM.

View solution

Q. In 8085 the time required to add two 32 bit numbers is (if clock frequency is 5 MHz)

View solution

Q. Consider the following ON GO TO statement in Basic

45 ON C GO TO 10, 20, 30

If the values of C are 1, 2, 3, 2.6 the control will be transferred to statement number

View solution

Q. Consider the following about 'return' statement in C

1. On executing the return statement, it immediately transfers the control back to the calling program.
2. There is no restriction on the number of 'return' statements present in a function.
3. The 'return' statement must be present at the end of called function.

Which of the above are correct?

View solution

Q. For an accurate clock period in 8085 it is preferable to use

View solution

Q. The memory hierarchy in microprocessor based system is

View solution

Q. When a peripheral device is not ready for data transfer it will send to the microprocessor a

View solution

Q. If X = 2.5 and Y = 2.5, which of the following expressions would give the result as 5/7?

View solution

Q. Which of the following is not a classification of programmed data transfer?

View solution

Q. Consider the instructions

1. MOV M, B
2. OUT 4
3. LDA X

Which of the above uses IO/W cycle?

View solution

Q. One can format a disc using window explorer.

View solution