Microprocessors - ECE Questions and Answers

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Let JCOKE = 3 and LPEPSI = 5. Consider the statement IF (3 * JCOKE. EQ. LPESPSI) JCOKE = JCOKE + 2 JCOKE = JCOKE + 5 What will be the final value of JCOKE after the above statement is executed?

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Diskette can be used for primary storage as well as secondary storage in a computer.

True

False

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Read the following statements

Magnetic tape is a sequential device.
Magnetic disc is a direct access device.
Magnetic tape and disc are both sequential devices.
Magnetic tape and disc are both direct access devices.

Which of the above statements are correct?

1 and 2 only

1 and 3 only

2 and 4 only

1, 2 and 3 only

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A memory chip has 65536 cells in it. Then

time required to access cell is same as that to access cell 65536

time required to access cell is less than that required to access cell 65536

time required to access cell is more than that required to access cell 65536

either (a) or (b)

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Assertion (A): Mnemonics are used in assembly level program.

Reason (R): Computer cannot understand mnemonics.

Both A and R are correct and R is correct explanation of A

Both A and R are correct but R is not correct explanation of A

A is correct R is wrong

A is wrong R is correct

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Which of the following is a valid real variable in FORTRAN 77?

KPR

LINE

JOB

RATE

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Consider the following logical IF statement in FORTRAN 77 IF (SALT. GE. PEPPER) GOTO 11 GOTO 13 The above statement using arithmetic IF statement would be

IF (SALT - PEPPER) 11, 11, 13

IF (SALT - PEPPER) 13, 11, 13

IF (SALT - PEPPER) 13, 11, 11

IF (SALT - PEPPER) 11, 13, 13