239 + Mcqs in Number Systems And Codes Page 5 McqOptions

201.	The base of the hexadecimal system is:
A.	eight.
B.	sixteen.
C.	ten.
D.	two.
Answer» C. ten.

Discussion

202.	Convert the decimal number 151.75 to binary.
A.	10000111.11
B.	11010011.01
C.	111100
D.	10010111.11
Answer» E.

Discussion

203.	Convert 59.7210 to BCD.
A.	111011
B.	1011001.011
C.	1110.11
D.	101100000000000
Answer» C. 1110.11

Discussion

204.	The binary number system is fundamental to all digital computers.
A.	1
B.
C.	1
D.
Answer» B.

Discussion

205.	Convert 5278 to binary.
A.	11100111
B.	101010111
C.	343
D.	111010101
Answer» C. 343

Discussion

206.	Assign the proper odd parity bit to the code 111001.
A.	1111011
B.	1111001
C.	111111
D.	11111
Answer» C. 111111

Discussion

207.	Convert 8B3F16 to binary.
A.	35647
B.	11010
C.	1011000000000000
D.	1000100000000000
Answer» E.

Discussion

208.	An analog signal has a range from 0 V to 5 V. What is the total number of analog possibilities within this range?
A.	5
B.	50
C.	250
D.	infinite
Answer» E.

Discussion

209.	In odd parity, 100011010 would pass the parity check.
A.	1
B.
C.	1
D.
Answer» C. 1

Discussion

210.	Which is typically the longest: bit, byte, nibble, word?
A.	Bit
B.	Byte
C.	Nibble
D.	Word
Answer» E.

Discussion

211.	What decimal number does 25 represent?
A.	10
B.	31
C.	25
D.	32
Answer» E.

Discussion

212.	The binary number for octal 458 is ________.
A.	100010
B.	100101
C.	110101
D.	100100
Answer» C. 110101

Discussion

213.	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 not suitable for detecting single-bit errors in transmitted codes.
C.	Parity checking is capable of detecting and correcting errors in transmitted codes.
D.	Parity checking is best suited for detecting double-bit errors that occur during the transmission of codes from one location to another.
Answer» B. Parity checking is not suitable for detecting single-bit errors in transmitted codes.

Discussion

214.	The difference of 111 ‚Äì 001 equals ________.
A.	100
B.	111
C.	1
D.	110
Answer» E.

Discussion

215.	Binary 10111111 is ________ in hexadecimal.
A.	BF16
B.	FB16
C.	27716
D.	10111111
Answer» B. FB16

Discussion

216.	What is the result when a decimal 5238 is converted to base 16?
A.	327.375
B.	12.166
C.	1388
D.	1476
Answer» E.

Discussion

217.	Convert the following octal number to binary.1048
A.	10001002
B.	1000000012
C.	101002
D.	10000012
Answer» B. 1000000012

Discussion

218.	Convert the binary number 1001.00102 to decimal.
A.	90.125
B.	9.125
C.	125
D.	12.5
Answer» C. 125

Discussion

219.	Convert 52716 to binary.
A.	343
B.	1101000111
C.	10100100111
D.	11100100101
Answer» D. 11100100101

Discussion

220.	Convert decimal 64 to binary.
A.	1010010
B.	1000000
C.	110110
D.	1001000
Answer» C. 110110

Discussion

221.	In ASCII code, the hexadecimal sequence 53 54 55 44 45 4E 54 decodes to STUDENT.
A.	1
B.
C.	1
D.
Answer» B.

Discussion

222.	Hexadecimal letters A through F are used for decimal equivalent values from:
A.	1 through 6
B.	9 through 14
C.	10 through 15
D.	11 through 17
Answer» D. 11 through 17

Discussion

223.	The voltages in digital electronics are continuously variable.
A.	1
B.
Answer» C.

Discussion

224.	What is the decimal value of the hexadecimal number 777?
A.	191
B.	1911
C.	19
D.	19111
Answer» C. 19

Discussion

225.	One hex digit is sometimes referred to as a(n):
A.	byte
B.	nibble
C.	grouping
D.	instruction
Answer» C. grouping

Discussion

226.	Convert 11001010001101012 to hexadecimal.
A.	121035
B.	CA35
C.	53AC1
D.	530121
Answer» C. 53AC1

Discussion

227.	Convert binary 111111110010 to hexadecimal.
A.	EE216
B.	FF216
C.	2FE16
D.	FD216
Answer» C. 2FE16

Discussion

228.	The octal number for binary 1101110101110110 is ________.
A.	6545218
B.	5565618
C.	1566568
D.	1565668
Answer» E.

Discussion

229.	Convert the following binary number to decimal. 010112
A.	11
B.	35
C.	15
D.	10
Answer» B. 35

Discussion

230.	Decode the following ASCII message. 1010011101010010101011000100101100101000001001000100000110100101000100
A.	STUDYHARD
B.	STUDY HARD
C.	stydyhard
D.	study hard
Answer» C. stydyhard

Discussion

231.	The decimal number for octal 748 is ________.
A.	74
B.	60
C.	22
D.	62
Answer» C. 22

Discussion

232.	Convert the following decimal number to BCD.127
A.	11100100001
B.	111010001
C.	1010111
D.	100100111
Answer» E.

Discussion

233.	A complete alphanumeric code would include 26 lowercase letters, 26 uppercase letters, 10 numeric digits, 7 punctuation marks, and anywhere from ________ to ________ other characters.
A.	5, 10
B.	10, 15
C.	10, 20
D.	20, 40
Answer» E.

Discussion

234.	Express the decimal number ‚Äì37 as an 8-bit number in sign-magnitude.
A.	10100101
B.	100101
C.	11011000
D.	11010001
Answer» B. 100101

Discussion

235.	When using the repeated division by 2 method of converting from decimal to binary, one must write the first remainder as the:
A.	MSB
B.	MSB, provided the following sequence of remainders are written in descending order until the final remainder is achieved.
C.	LSB
D.	LSB, provided the final remainder is used to replace the original LSB, which is then moved to the MSB position.
Answer» B. MSB, provided the following sequence of remainders are written in descending order until the final remainder is achieved.

Discussion

236.	The sum of 11101 + 10111 equals ________.
A.	110011
B.	100001
C.	110100
D.	100100
Answer» D. 100100

Discussion

237.	Convert the binary number 1100 to Gray code.
A.	11
B.	1010
C.	1100
D.	1001
Answer» C. 1100

Discussion

238.	Convert the following decimal number to 8-bit binary.187
A.	101110112
B.	110111012
C.	101111012
D.	101111002
Answer» B. 110111012

Discussion

239.	Convert hexadecimal value 16 to decimal.
A.	2210
B.	1610
C.	1010
D.	2010
Answer» B. 1610

Discussion

Explore topic-wise MCQs in Digital Electronics.

The base of the hexadecimal system is:

Convert the decimal number 151.75 to binary.

Convert 59.7210 to BCD.

The binary number system is fundamental to all digital computers.

Convert 5278 to binary.

Assign the proper odd parity bit to the code 111001.

Convert 8B3F16 to binary.

An analog signal has a range from 0 V to 5 V. What is the total number of analog possibilities within this range?

In odd parity, 100011010 would pass the parity check.

Which is typically the longest: bit, byte, nibble, word?

What decimal number does 25 represent?

The binary number for octal 458 is ________.

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

The difference of 111 ‚Äì 001 equals ________.

Binary 10111111 is ________ in hexadecimal.

What is the result when a decimal 5238 is converted to base 16?

Convert the following octal number to binary.1048

Convert the binary number 1001.00102 to decimal.

Convert 52716 to binary.

Convert decimal 64 to binary.

In ASCII code, the hexadecimal sequence 53 54 55 44 45 4E 54 decodes to STUDENT.

Hexadecimal letters A through F are used for decimal equivalent values from:

The voltages in digital electronics are continuously variable.

What is the decimal value of the hexadecimal number 777?

One hex digit is sometimes referred to as a(n):

Convert 11001010001101012 to hexadecimal.

Convert binary 111111110010 to hexadecimal.

The octal number for binary 1101110101110110 is ________.

Convert the following binary number to decimal. 010112

Decode the following ASCII message. 1010011101010010101011000100101100101000001001000100000110100101000100

The decimal number for octal 748 is ________.

Convert the following decimal number to BCD.127

A complete alphanumeric code would include 26 lowercase letters, 26 uppercase letters, 10 numeric digits, 7 punctuation marks, and anywhere from to other characters.

Express the decimal number ‚Äì37 as an 8-bit number in sign-magnitude.

When using the repeated division by 2 method of converting from decimal to binary, one must write the first remainder as the:

The sum of 11101 + 10111 equals ________.

Convert the binary number 1100 to Gray code.

Convert the following decimal number to 8-bit binary.187

Convert hexadecimal value 16 to decimal.

Explore topic-wise MCQs in Digital Electronics.

The base of the hexadecimal system is:

Convert the decimal number 151.75 to binary.

Convert 59.7210 to BCD.

The binary number system is fundamental to all digital computers.

Convert 5278 to binary.

Assign the proper odd parity bit to the code 111001.

Convert 8B3F16 to binary.

An analog signal has a range from 0 V to 5 V. What is the total number of analog possibilities within this range?

In odd parity, 100011010 would pass the parity check.

Which is typically the longest: bit, byte, nibble, word?

What decimal number does 25 represent?

The binary number for octal 458 is ________.

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

The difference of 111 ‚Äì 001 equals ________.

Binary 10111111 is ________ in hexadecimal.

What is the result when a decimal 5238 is converted to base 16?

Convert the following octal number to binary.1048

Convert the binary number 1001.00102 to decimal.

Convert 52716 to binary.

Convert decimal 64 to binary.

In ASCII code, the hexadecimal sequence 53 54 55 44 45 4E 54 decodes to STUDENT.

Hexadecimal letters A through F are used for decimal equivalent values from:

The voltages in digital electronics are continuously variable.

What is the decimal value of the hexadecimal number 777?

One hex digit is sometimes referred to as a(n):

Convert 11001010001101012 to hexadecimal.

Convert binary 111111110010 to hexadecimal.

The octal number for binary 1101110101110110 is ________.

Convert the following binary number to decimal. 010112

Decode the following ASCII message. 1010011101010010101011000100101100101000001001000100000110100101000100

The decimal number for octal 748 is ________.

Convert the following decimal number to BCD.127

A complete alphanumeric code would include 26 lowercase letters, 26 uppercase letters, 10 numeric digits, 7 punctuation marks, and anywhere from ________ to ________ other characters.

Express the decimal number ‚Äì37 as an 8-bit number in sign-magnitude.

When using the repeated division by 2 method of converting from decimal to binary, one must write the first remainder as the:

The sum of 11101 + 10111 equals ________.

Convert the binary number 1100 to Gray code.

Convert the following decimal number to 8-bit binary.187

Convert hexadecimal value 16 to decimal.

A complete alphanumeric code would include 26 lowercase letters, 26 uppercase letters, 10 numeric digits, 7 punctuation marks, and anywhere from to other characters.