Users Also Read
Read MCQ's/Objective questions
MCQ's Search Engine
Analog Electronics
Automatic Control Systems
Communication Systems
Digital Electronics
Electromagnetic Field Theory
Electronic Devices and Circuits
Materials and Components
Measurements and Instrumentation
Microwave Communication
Networks Analysis and Synthesis
Power Electronics
Radio Receivers
Satellite Communication
Signals and Systems
Exam Questions Papers
Matching Questions
Home⇒ Engineering⇒
Microprocessors
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q21 ⇒ Which of the following instructions have only one operand? Shift [other wrong options] [Discuss in forum] Multiply Add Subtract |
Q22 ⇒ In 8086 the number of bytes which can be addressed directly is about one million [other wrong options] [Discuss in forum] 1000 10000 100000 |
Q23 ⇒ Consider the following about 'arrays' in C
1 and 2 only [other wrong options] [Discuss in forum] All 1 and 3 only 2 and 3 only |
Q24 ⇒ 8085 data bus has 8 lines and is bidirectional. TRUE [other wrong options] [Discuss in forum] FALSE |
Q25 ⇒ A 37 bit mantissa has an accuracy of 11 decimal places [other wrong options] [Discuss in forum] 6 decimal places 8 decimal places 10 decimal places |
Q26 ⇒ If INT = 50 and LOOT = 30, the result of assignment statement SAL = INT + LOOT is80 [other wrong options] [Discuss in forum] 50 8 5 |
Q27 ⇒ DMA stands for direct memory access. TRUE [other wrong options] [Discuss in forum] FALSE |
Q28 ⇒ In the expression b = 2.1 / 1.2 * 3.1 + 3 / 7.1 * 6 which operation would have the first priority in C? 2.1 / 1.2 [other wrong options] [Discuss in forum] 1.2 * 3.1 2.1 / 1.2 * 3.1 3 / 7.1 |
Q29 ⇒ Consider the following statements about an array in Pascal
All [other wrong options] [Discuss in forum] 1, 2, 3 only 2, 3, 4 only 1, 2 and 4 only |
Q30 ⇒ Which of the following 8085 instructions does not belong to arithmetic group?SHLD addr [other wrong options] [Discuss in forum] SUI data ADCM INR r |
Q31 ⇒ Which memory has read operation, byte erase, byte write and chip erase? EEPROM [other wrong options] [Discuss in forum] RAM UVEPROM both (b) and (c) |
Q32 ⇒ Which of the following is not a valid character constant in C? 2 [other wrong options] [Discuss in forum] A' 2' =' |
Q33 ⇒ In which of the following logical group instructions of 8085 do the contents of accumulator remain unchanged?CMP r [other wrong options] [Discuss in forum] ORA r ORA M ORI data |
Q34 ⇒ Assertion (A): PC-XT is a personal computer. Reason (R): PC-XT uses a floppy drive and has a medium sized hard disc. Both A and R are correct and R is correct explanation of A [other wrong options] [Discuss in forum] 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 |
Q35 ⇒ A nibble corresponds to 4 successive bits of data [other wrong options] [Discuss in forum] 2 successive bits of data 8 successive bits of data 16 successive bits of data |
Q36 ⇒ Consider the following statements
1, 2 and 4 only [other wrong options] [Discuss in forum] 1 and 2 only 1, 3 and 4 only 2 and 4 only |
Q37 ⇒ 'Burst refresh' in DRAM is also called Concentrated refresh [other wrong options] [Discuss in forum] Distributed refresh Hidden refresh None of the above |
Q38 ⇒ Which of the following is operating system? Windows [other wrong options] [Discuss in forum] MS WORD Ventura Java |
Q39 ⇒ Consider the directive T : DS105. This directive directs the assembler to reserve a sequence of consecutive 105 bytes in the memory [other wrong options] [Discuss in forum] directs the assembler to reserve a sequence of 105 bytes in the memory directs the assembler to reserve a sequence of 105 bits in the memory directs the assembler to reserve a sequence of consecutive 105 bits in the memory |
Q40 ⇒ The addressing mode depicted in the given figur direct [other wrong options] [Discuss in forum] register register indirect implicit |
Or |