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Q1: If the number 42573 * is exactly divisible by 72, then the minimum value of * is:

A 6

B 7

C 5

D 4

E 8

Directions to Solve

In the questions below the sentences have been given in Active/Passive voice. From the given alternatives, choose the one which best expresses the given sentence in Passive/Active voice.

Q2: James Watt discovered the energy of steam.

A James Watt was discovered by the energy of steam.

B The energy of steam discovered James Watt.

C The energy of steam was discovered by James Watt.

D James Watt had discovered energy by the steam.

Q3: Bitwise | can be used to set a bit in number.

A Yes

B No

Q4: One application of a digital multiplexer is to facilitate:

A parallel-to-serial data conversion

B data generation

C code conversion

D parity checking

Q5: Select one of the following statements that best describes the parity method of error detection:

A Parity checking is best suited for detecting single-bit errors in transmitted codes.

B Parity checking is capable of detecting and correcting errors in transmitted codes.

C Parity checking is best suited for detecting double-bit errors that occur during the transmission of codes from one location to another.

D Parity checking is not suitable for detecting single-bit errors in transmitted codes.

Q6: A multiplexed display:

A uses one display to present two or more pieces of information

B accepts data inputs from one line and passes this data to multiple output lines

C accepts data inputs from multiple lines and passes this data to multiple output lines

D accepts data inputs from several lines and multiplexes this input data to four BCD lines

Q7: When two or more inputs are active simultaneously, the process is called:

A priority decoding

B priority encoding

C first-in, first-out processing

D ripple blanking

Q8: Which type of decoder will select one of sixteen outputs, depending on the 4-bit binary input value?

A binary-to-hexadecimal

B hexadecimal

C dual octal outputs

D hexadecimal-to-binary

Q9: A magnitude comparator determines:

A
A identicalto.gif B and if A < b or a > B

B
A = B and if A > B or A < b

C
A almostequal.gif B and if A > B or A < b

D A notequalto.gif B and if A alpha.gif B or A >> B

Q10: A circuit that responds to a specific set of signals to produce a related digital signal output is called a(n):

A decoder

B encoder

C BCD matrix

D display driver