57801. The contents of the program counter after the call operation point to the first instruction on the
57802. Dual slope ADC uses an op amp comparator.
57803. The output of the 74 series of TTL gates is taken from a BST in
57804. Assertion (A): Demorgan's first theorem replaces a NOR gate by bubbled AND gate.Reason (R): Double complement of a variable equals the variable.
57805. A flip-flop circuit is
57806. Assertion (A): The use of 2's complement has simplified the computer hardware for arithmetic operations Reason (R): 2's complement is obtained by adding 1 to 1's complement.
57807. How many lines are there in address bus of 8085 μp?
57808. Consider the following statements Timer 555 can be used as monostable multivibratorbistable multivibratorastable multivibrator Which of the above statements are correct?
57809. A 4 bit binary adder has 4 full adders.
57810. In floating point representation, the accuracy is
57811. The logic circuit in the given figure realizes the function
57812. The PC contains 0450 H and SP contains 08D 6 H. What will be content of P and SP following a CALL to subroutine at location 02 AFH?
57813. An n bit ADC using Vr as reference has a resolution (in volts) of
57814. The sum of 11101012 and 110112 in decimal form will be
57815. Binary 1111 when added to binary 11111, the result in binary is
57816. In the 2's complement Adder-Subtractor
57817. The widely used binary multiplication method is
57818. Which of the following logic family is fastest of all?
57819. Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after ADI A4H?
57820. In a monolithic IC, resistors are formed from
57821. For wired AND connection we should use
57822. A + AB =
57823. The resolution of a 12-bit D/A converter using a binary ladder with + 10V as the full scale output will be
57824. In the above case the hexadecimal notation for the last memory location is
57825. What is the length of SP (Stack pointer) of 8085 μp?
57826. Shifting digits from left to right and vice versa is needed in
57827. Current requirement of a piezo buffer is about
57828. Consider the following instruction of 8085 μp :MOV M, AAODCMVI A, FFCMP M Which of these cause change in the status of flag(s)?
57829. A 3 bit binary adder can add
57830. The logic performed by the high-noise immunity logic circuit shown below is
57831. An 8156 has A15 connected to its CE input. A14 to A8 are unconnected, and AD7 to AC0 are connected.Ignoring shadows, the port addresses
57832. In 8085 microprocessor, what is the length of IR (instruction register)?
57833. A sequence detector is required to give a logical output of 1 whenever the sequence 1011 is detected in the incoming pulse stream. Minimum number of flip-flops needed to built the sequence detector is
57834. The contents of the program counter after the call operation will be
57835. Which is correct with respect to computer memory?
57836. A 3 bit binary adder should use
57837. For a depletion type NMOS, Vp = - 4 volts. For VGS = 0, 1D = 16 mA in the pinch off region of VDS. For VGS = - 2, the value of ID in the pinch off region of VDS is given by
57838. The two outputs of RS flip-flop are
57839. High speed counter
57840. Registers and counters are similar in the sense that they both
57841. 2's complement representation of a 16 bit number (one sign bit and 15 magnitude bit) is FFFF. Its magnitude in decimal representation is
57842. A 4 line to 16 line decoder has
57843. Which one of the following is the correct sequence of the numbers represented in the series given below?
57844. Consider the Boolean expression X = ABCD + AB CD + A BCD + A CB D The simplified form of X is
57845. In floating point representation the number of bits in exponent is
57846. In 8085 microprocessor, an active low signal INTA is not needed from up service which of the following interrupt request?
57847. Consider the following statements: In the 2's complement representation, negative numbers are stored in sign magnitude form.Taking 2's complement is equivalent to sign change.In a 4 bit complement representation of a binary number A.In the 2's complement representation the most significant bit (MSB) is zero for a positive number. Of these, the only true statements are
57848. Without any addition circuitry, an 8:1 MUX can be used to obtain.
57849. The internal structure of PL A is similar to
57850. Start and stop bit do not contain any information but are used in serial communication for