70701. A parallel in-parallel out shift register can be used to introduce delay in digital circuits.
70702. In following figure, the initial contents of the 4-bit serial in parallel out, right shift, shift register as shown in figure are 0110. After 3 clock pulses the contents of the shift register will be
70703. For the logic circuit of the given figure, the minimized expression is
70704. Binary multiplication can be done by repeated addition.
70705. Assertion (A): In totem pole output the output impedance is low.Reason (R): TTL gate with active pull up should not be used in wired AND connection.
70706. A 4 bit synchronous counter uses flip flops with a delay time of 15 ns each. The time required for change of state is
70707. What do the contents of instruction register specify?
70708. In the decimal number 27, the digital 2 represents
70709. What type of parameters are used in transcendental functions in Java?
70710. E7F616 = __________ .
70711. What is the normal range of analog input voltage?
70712. Assertion (A): The propagation delay in ECL is minimum Reason (R): Transistors used in ECL switch between active and cutoff regions.
70713. For the design of a sequential circuit having 9 states, minimum number of memory elements required is
70714. ICs are
70715. In a 5 x 7 dot matrix, format, to store 64 alphanumeric characters we require
70716. A digital system is required to amplify a binary encoded audio signal. The user should be able to control the gain of the amplifier from a minimum to a maximum in 100 increments. The minimum number of bits required to encode, in straight binary is,
70717. A 4 bit transistor register has output voltage of high-low-high-low. The binary number stored and its decimal equivalent are
70718. Assertion (A): A demultiplexer cannot be used as a decoder Reason (R): A multiplexer selects one of many outputs whereas a decoder selects on output corresponding to coded input.
70719. Hexadecimal number F is called to octal number
70720. A half adder can be used only for adding
70721. In the 8421 BCD code, the decimal number 125, is written as
70722. 110.112 x 1102 = __________ 10
70723. Y = A + A B is the same as
70724. Assertion (A): Different symbols are used for different gatesReason (R): IEEE symbols are the same as traditional symbols for gates.
70725. In a JK flip flop toggle means
70726. How many flag are there in 8085 microprocessor?
70727. A microcomputer has a 64 K memory. What is the hexadecimal notation for the first memory location?
70728. Binary 101010 is equivalent to decimal number
70729. Each cell of a static RAM has
70730. The clear data and present input of the JK flip-flop are known as
70731. The advantages of high density IC are
70732. The multiplication time for 10-bit numbers with 1 MHz clock will be
70733. The initial state of MOD-16 down counter is 011. After 37 clock pulses, the state of the counter will be
70734. In a 4 bit weighted resistor D/A converter, resistor value corresponding to LSB is 32 k ohm. The resistor value corresponding to MSB is
70735. Full adder circuit can be implemented by
70736. (FE35)16 XOR (CB15)16 is equal to
70737. If 4 in binary system is 100 then 8 will be
70738. In the given figure A = 1, B = 1. B is now changed to a sequence 101010................The outputs X and Y will be
70739. The ALU carrier out arithmetic and logic operations (OR AND, NOT, etc.) it processes
70740. The total number of fundamental products of three variables is
70741. As per Boolean algebra, inputs can be interchanged in
70742. Medium scale integration refers to ICs with
70743. The decimal equivalent of the hexadecimal number (3 E 8)16 is
70744. Four memory chips of 16 x 4 size have their address buses connected together. This system will be of size
70745. A ripple counter has propagation delay.
70746. Adder is a combinational logic circuit.
70747. In a decimal digital computer, the number 127 is stored
70748. In 8085 microprocessor, which of the following interrupts has the lowest priority?
70749. All digital circuits can be realised using only
70750. The code used to reduce the error due to ambiguity in reading of a binary optical encoder is
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