Chapter 2
Computers Exam
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
, modern computers are digital computers which means what? - Answer: meaning they represent data
using a series of 0s and 1s. Each 0 or 1 is called a bit (short for binary digit).
Bit vs byte? what is it? - Answer: bit is the smallest unit of data that a binary computer can recognize(a
single 1 or 0)
byte is the amount of data a computer can store. equivalent to 8 bits
1 byte = __ bits = 1 character
1 __________ = 1,000 bytes
1 __________ = 1,000,000 bytes
1 ___________ = 1,000,000,000 bytes
1 ___________ = 1,000,000,000,000 byte - Answer: 1 byte = 8 bits = 1 character
1 kilobyte (KB) = 1,000 bytes
1 megabyte (MB) = 1,000,000 bytes
1 gigabyte (GB) = 1,000,000,000 bytes
1 terabyte (TB) = 1,000,000,000,000 byte
The binary numbering system is used by computers to represent numbers and it only uses two symbols
(1 and 0) to represent all possible numbers. true or false - Answer: true.
Computers Exam
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
, modern computers are digital computers which means what? - Answer: meaning they represent data
using a series of 0s and 1s. Each 0 or 1 is called a bit (short for binary digit).
Bit vs byte? what is it? - Answer: bit is the smallest unit of data that a binary computer can recognize(a
single 1 or 0)
byte is the amount of data a computer can store. equivalent to 8 bits
1 byte = __ bits = 1 character
1 __________ = 1,000 bytes
1 __________ = 1,000,000 bytes
1 ___________ = 1,000,000,000 bytes
1 ___________ = 1,000,000,000,000 byte - Answer: 1 byte = 8 bits = 1 character
1 kilobyte (KB) = 1,000 bytes
1 megabyte (MB) = 1,000,000 bytes
1 gigabyte (GB) = 1,000,000,000 bytes
1 terabyte (TB) = 1,000,000,000,000 byte
The binary numbering system is used by computers to represent numbers and it only uses two symbols
(1 and 0) to represent all possible numbers. true or false - Answer: true.
