# Q1: What is the difference between binary coding and binary coded decimal?

A Binary coding is pure binary.
B BCD is pure binary.
C Binary coding has a decimal format.
D BCD has no decimal format.

# Q2: Base 10 refers to which number system?

A binary coded decimal
B decimal
C octal
D hexadecimal

A 125
B 12.5
C 90.125
D 9.125

A 327.375
B 12166
C 1388
D 1476

# Q5: 3428 is the decimal value for which of the following binary coded decimal (BCD) groupings?

A 11010001001000
B 11010000101000
C 011010010000010
D 110100001101010

A 01010101
B 00110101
C 00110010
D 00110001

A 201
B 2001
C 20
D 210

# Q8: Sample-and-hold circuits in ADCs are designed to:

A sample and hold the output of the binary counter during the conversion process
B stabilize the ADCs threshold voltage during the conversion process
C stabilize the input analog signal during the conversion process
D sample and hold the ADC staircase waveform during the conversion process

A 5B
B 5F
C 5A
D 5C

A 1
B 2
C 3
D 4

A 191
B 1911
C 19
D 19111

A 10000111.11
B 11010011.01
C 00111100.00
D 10010111.11

# Q13: The number of bits used to store a BCD digit is:

A 8
B 4
C 1
D 2

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