1.4.1 Data Types
No description yet. This curated deck is ready for daily study.
Card preview (17)
What data type should be used for storing a phone number like 07777777333?
String • Numeric types would remove the leading 0
Perform an AND mask on the Binary numbers 10101101 01011011
00001001
Which data type stores a collection of characters?
String
Add the two binary numbers and give answer in decimal 01011011 00111010
10010101 = 149
What is the decimal 45 in binary? Give your answer as a byte
00101101
What is the hexadecimal 2E in decimal?
(2x16) + (14x1) = 46
What is the hexadecimal 45 in binary? Give your answer as a byte
01000101
Which data type stores just True and False?
Boolean
What is -5 in sign magnitude binary? Give your answer as a nybble
1101
What does the binary 01101100 represent in hex?
6C
What is the effect of a logical shift left by one place?
The value is doubled (x2^1)
What is the two’s complement binary 10101101 in decimal?
-83
The binary 0011010000110 is a floating point number with a single-bit sign, 8 but mantissa and 4 bit exponent What is the number in decimal?
52
Perform a logical shift right by two places on the binary number 01101010 and convert your result to decimal
26.5
Perform an XOR mask on the binary numbers: 01010101 10111011
11101110
Which of the following is not a character? A: 8 B: R C: % D: 43
D
The binary 1100110000011 is a floating point number with a single-bit sign, 8-bit mantissa and 4 but exponent What is the number in decimal?
-9.5