1061.
The BCD number for decimal 347 is ________.
A
1100 1011 1000
B
0011 0100 0111
C
0011 0100 0001
D
1100 1011 0110
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The BCD number for decimal 347 is ________.
1100 1011 1000
0011 0100 0111
0011 0100 0001
1100 1011 0110
Which is typically the longest?
Bit
Byte
Nibble
Word
Which of the following is the most widely used alphanumeric code for computer input and output?
Gray
ASCII
Parity
EBCDIC
Solve this binary problem: 01110010 – 01001000
11010
101010
1110010
111100
When using the repeated division by 2 method of converting from decimal to binary, one must write the first remainder as the:
MSB, provided the following sequence of remainders are written in descending order until the final remainder is achieved.
LSB
LSB, provided the final remainder is used to replace the original LSB, which is then moved to the MSB position.
MSB
The 1's complement of 10011101 is ________.
1100010
10011110
1100001
1100011
Digital electronics is based on the ________ numbering system.
Decimal
Binary
Octal
Hexadecimal
Hexadecimal letters A through F are used for decimal equivalent values from:
1 through 6
10 through 15
9 through 14
11 through 17
The binary number 111 is equal to the decimal number ________.
2
5
7
12
A binary number's value changes most drastically when the ________ is changed.
Frequency
LSB
MSB
Duty cycle
The sum of 11101 + 10111 equals ________.
110011
110100
100001
100100
What are the symbols used to represent digits in the binary number system?
0,1
0,1,2
0 through 8
1,2
The maximum synchronizing capability in coding techniques is present in
Polar NRZ
Polar RZ
Manchester format
Polar quaternary NRZ
The digital modulation scheme in which the step size is not fixed is
Adaptive delta modulation
DPCM
Delta modulation
PCM
DPCM suffers from
Quantization noise
Both a & b
Slope over load distortion
None of the above
In digital transmission, the modulation technique that requires minimum bandwidth is
PCM
DPCM
Delta modulation
PAM
In Delta modulation,
All the coded bits used for sampling are transmitted
The step size is fixed
One bit per sample is transmitted
Both a and c are correct
The sequence of operations in which PCM is done is
Quantizing, encoding, sampling
Quantizing, sampling, encoding
Sampling, quantizing, encoding
None of the above
The process of converting the analog sample into discrete form is called
Multiplexing
Quantization
Modulation
Sampling
The technique that may be used to reduce the side band power is
BPSK
Gaussian minimum shift keying
MSK
BFSK