Microprocessors Questions

• Which of the following can be accessed only sequentially?
• In ALU 1C 74181 the addition and subtraction is in
• Which of the following is a computer language?
• During processing the instructions, data, intermediate results and final results in a computer are held in
• When .4546 E 5 and .5433 E 7 are to be added in normalized floating point mode
• Expression ++i is equivalent to
• JCOKE = 3 JCOKE = JCOKE + 1 GO TO (5, 8, 9, 11, 15, 16 18, 20) JCOKE. After the execution of above statement, the control is transferred to statement number
• The size of cache memory in most microcomputers is about
• Temporary register in 8085 is a 16 bit register.
• In which computer language is 'break' statement used
• Which of the following is not an integer constant?
• Z flag is reset if an ALU operation results in 0.
• Assertion (A): Microprocessor 8085 has on-chip oscillator with inbuilt crystal. Reason (R): For frequency stability crystal oscillator is preferred.
• Which of the following is not a valid real constant in C?
• Assertion (A): If source and destination addresses are made implicit the length of instruction is reduced. Reason (R): 8085 has only 3 addressing modes.
• To multiply a number by 8 in 8085 we have to use RAL instruction
• Consider the following program in Pascal X = 2.57 X = (X + 0.06) * 10 I = TRUNC (X) X = I X = X / 10.0 The final value of X would be
• EEPROM permits
• If A = 20 and B = - 7 in PASCAL, A mod B =
• A 256 x 4 EPROM has