CSCI 274 CH 2
true
(T/F) BCD stands for binary coded decimal
true
(T/F) the binary number system is a weighted system with two digits
true
(T/F) the decimal number system is a weighted system with ten digits
false
(T/F)ASCII stands for American standard code for information indication
true
(T/F)CRC stands for cyclic redundancy check
False
(T/F)In binary, 1+1 = 2.
false
(T/F)LSB stands for lowest single bit
true
(T/F)The 1s complement of the binary number 1010 is 0101
flase
(T/F)the 2s complement of the binary number 0001 is 1110
true
(T/F)the hexadecimal number system has 16 characters, six of which are alphabetic characters
false
(T/F)the modulo-2 sum of 11 and 10 is 100
false
(T/F)the right most bit in a signed binary number is the sign bit
28
2 x 10(^1) + 8 x 10(^0) is equal to
ASCII
american standard code for information interchange, the most widely used alphanumeric code
BCD
binary coded decimal; a digital code in which each of the decimal digits, 0 through 9, is represented by a group of four bits
alphanumeric
consisting of numerals, letters, and other characters
hexadecimal
describes a number system with a base of 16
octal
descries a number system with a base of eight
parity
in relation to binary codes, the condition of evenness or oddness of the number of 1s in a code group
-109
in the 2s complement form, the binary number 10010011 is equal to the decimal number
remainder = 0
in the cyclic redundancy check, the absence of errors is indicated by
01000110
the 1s complement of 10111001 is
00111000
the 2s complement of 11001000 is
010001110011
the BCD number for decimal 473 is
8D46F
the binary number 10001101010001101111 can be written in hexadecimal as
5471241
the binary number 101100111001010100001 can be written in octal as
13
the binary number 1101 is equal to the decimal number
221
the binary number 11011101 is equal to the decimal number
1111011110101001
the binary number for F7A9 is
01111010
the decimal number +122 is expressed in the 2s complement form as
11011110
the decimal number -34 is expressed in the 2's complement form as
10001
the decimal number 17 is equal to the binary number
10101111
the decimal number 175 is equal to the binary number
100
the difference of 110 - 010 equals
(MSB) most significant bit
the left-most bit in a binary whole number or code
(LSB) least significant bit
the right most bit in a binary whole number or code
101001
the sum of 11010 + 01111 equals
byte
a group of eight bits
floating-point number
a number representation based on scientific notation in which the number consists of an exponent and a mantissa
32 bits
a single-precision floating-point binary number has a total of
cyclic redundancy check
a type of error detection code