Explore topic-wise MCQs in Computer Science.

Tow s complement can be obtained from one s complement by 

Which code is a weighted code 

In binary system decimal 0.875 is represented by 

The range for 13-bits complement numbers expressed in decimal is from 

The result of truncating the decimal number -22.56 is 

The decimal number 80 can be represented in BCD code as 

The most commonly used character codes for transmission is 

The range of the numbers which can be stored in an eight bit register is 

The decimal equivalent of binary number 0.0111 is 

The binary equivalent of the hexadecimal number 7BDis 

The octal equivalent of 111 010 is 

The binary equivalent of the octal Numbers 13.54 is 

Binary coded decimal (BCD) numbers express each digit as a 

Which of the following is true about BCD 

Which of the following 4 bit combination are invaliid in the BCD code 

Decimal number 5 in level parity self correcting code is 

A circuit produces I s complement of the input word one application is binary subtrction Tt is called 

Booth s coding in 8 bits for the decimal number -57 is 

The expression for sum of A B in the halp adder is given by 

In 2s complement reoeesentation a certain negative -Ni is 1011 the representation of +Ni is 

The weight which makes the complement operation easier in BCD form is 

A logic circuit which is used to change a BCD number into an equivalent decimal number is 

A decimal number has 25 digitals The number of bits needed for its equivalent binary representation is approximately 

The 2 s complement representatation of (-539)10 in hexadecimal is 

Sign extension is a step in 

A mod -2 counter followed by a mod -5 counter is 

The dynamic hazard problem occurs in 

A ring counter same as 

A 2 bit binary multiplier can be implemented using 

A pulse train can be delayed by a finite number of clock periods using 

How many illegitimate states has synchronous mod-6 counter ?

A J K flip flop has its Jinput connected to logic level 1 and its input to the q output pulse is fed to its clock input to the flip flop will now 

The astable multivibrator has 

When a large number of analog signals are to be converted an analog multiplexer is used. In this case most suitable A.D. converter will be 

A stable multivibrator are used as 

The flip -flops which operate in synchronism with external clock pulses are known as 

With the use of an electronic counter six capsules are to be filled in bottles automatically. In such a counter what will be the number of flip-flops

required ?

To build a mod-19 counter the number of flip-flop required is 

In a digital counter circuit feedback loop is introduced to 

Which of the following flip-flop is free from race-around problem ?

The clear data and present input of the JK flip-flop are known as 

If the input J is connected through K input of J-K, then flip-flop will behave as a 

The ring countre is analogous to 

Which of the following unit will choose to transform decimal number to binary code ?

If a clock with time period 'T' is used with n stage shift register, then output of final stage will be delayed by 

The main difference between JK and RS flip-flop is that 

IT is diffcult to design asynhronous sequential circuit because 

It is difficult to design asynhronus sequential circuit because 

For which of the following flip-flops, the output is clearly defined for all combinations of two inputs ?

Register is a