AICE Comp Sci Units 1-3

How many bytes are in a kilobyte?

• 1024 bytes

• 1000 bytes

• 2048 bytes

• 512 bytes

What is the size of a gibibyte in mebibytes?

• 1000 mebibytes

• 1024 mebibytes

• 2048 mebibytes

• 512 mebibytes

Which of the following is an application of Binary Coded Decimals in electronic displays?

• Ensures accurate representation of decimal values

• Avoids accumulation of errors in financial transactions

• Simplifies visual display of individual digits

• Facilitates easier conversion with denary

What is the decimal equivalent of the binary number 11101001?

• 225

• 233

• 245

• 239

What is the decimal equivalent of the binary number 000111010110?

• 470

• 256

• 512

• 128

Convert the decimal number 168 to binary.

• 10101000

• 11011000

• 10011000

• 11101000

What is the denary equivalent of the hexadecimal number 3B?

• 59

• 48

• 62

• 71

Convert the hexadecimal number 18E to its denary equivalent.

• 398

• 256

• 314

• 372

What is the hexadecimal equivalent of the denary number 232?

• E8

• 1A4

• D2

• F0

What is the method called that represents signed binary numbers by inverting each bit of the positive number?

• Two's Complement

• Standard Binary Form

• Decimal Representation

• One's Complement