Q. A combination circuit is one in which the output depends on

View solution

Q. 71₈ = __________ .

View solution

Q. A parallel in-parallel out shift register can be used to introduce delay in digital circuits.

View solution

Q. Binary multiplication can be done by repeated addition.

View solution

Q. 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.

View solution

Q. The counter which require maximum number of FF for a given mod counter is

View solution

Q. The content of which of the following determines the state of the CPU at the end of the execute cycle (when the interrupt is recognized)?

1. Program counter
2. Processor register
3. Certain status conditions

Select the correct answer using the codes given below :

View solution

Q. In a gate output is Low if and only if all inputs are High. The gate is

View solution

Q. With on-chip decoding, n address lines can access

View solution

Q. A half adder can be used only for adding

View solution

Q. In the 8421 BCD code, the decimal number 125, is written as

View solution

Q. 110.11₂ x 110₂ = __________ ₁₀

View solution

Q. Y = A + A̅ B is the same as

View solution

Q. Assertion (A): Different symbols are used for different gates

Reason (R): IEEE symbols are the same as traditional symbols for gates.

View solution

Q. If an analog voltage is expressed in binary using 4 bits, each successive binary count would represent

View solution

Q. In a 4 input AND gate, the total number of High outputs for 16 input states are

View solution

Q. Symmetrical square wave of time period 100 μs can be obtained from square wave of time period 10 μs by using

View solution

Q. The initial state of a Mod-16 counter is 0110. After 37 clock pulses the state of counter will be

View solution

Q. In a 5 x 7 dot matrix, format, to store 64 alphanumeric characters we require

View solution

Q. 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,

View solution