D:-Exclusive-OR
Correct Answer:- Option-D
Question47:-A decoder can be used as a demultiplexer by
:-tying all enable pins LOW
ing all data-select lines LOW
:-tying all data-select lines HIGH
D:-using the input lines for data selection and an enable line for data input
Correct Answer:- Option-D
Question48:-A binary code that progresses such that only one bit changes between two successive codes ‏5ا‎
‎A:-Gray code
B:-8421 code
C:-Excess-3 code
D:-nine's-complement code
Correct Answer:- Option-A
Question49:-A MOD-16 ripple counter is holding the count *1001_{2)*. What will the count be after 31 clock pulses.
&-1000 (21
8:-1010 (2)
ടോ മു്‌
211010)
Correct Answer:- Option-A
Question50:-Select the statement that best describes Read-Only Memory (ROM).
A:-Non-volatile, used to store information that changes during system operation
B:-Non-volatile, used to store information that does not change during system operation
C:-Volatile, used to store information that changes during system operation
D:-Volatile, used to store information that does not change during system operation
Correct Answer:- Option-B
Question51:-Which of the following logic families has the shortest propagation delay 7

D:-TTL
Correct Answer:- Option-C
Question52:-A binary input 000 is fed to a 3 bit DAC/ADC. The resultant output is 101. Find the type of error 7
A:-Offset error
B:-Gain ணா
C:-Settling error
D:-Linearity शाण
Correct Answer:- Option-A
Question53:-The transmit buffer of serial data bufferis a
A:-Serial-in parallel-out register
B:-Parallel-in serial-out register
C:-Serial-in serial-out register
D:-Parallel-in parallel-out register
Correct Answer:- Option-B
Question54:-The register that provides control and status information about serial port is
‏۳ھ‎
‎B:-IE
‎C:-PCON and SCON
D:-TSCON
Correct Answer:- Option-C
Question55:-The instruction that performs logical AND operation and the result of the operation is not available is
‏مغدم‎
‎B:-AND
‎C:-XOR
‎D:-TEST
‎Correct Answer:- Option-D
Question56:-Which instruction cannot force the 8086 processor out of 'halt' state 7
A:-Hold
B:-Reset