Question 1

What is the smallest unit of data in a computer system?

Accepted Answer

Bit. A bit is the most basic unit of information and can have a value of either 0 or 1. It represents the logical state of a digital circuit. The term bit is a contraction of 'binary digit'.

Question 2

How many bits are grouped together to form one Nibble?

Accepted Answer

4 bits. A nibble is exactly half of a standard byte, consisting of four binary digits. It is useful for representing a single hexadecimal digit. In early computing, nibbles were often used to store BCD encoded numbers.

Question 3

Which unit of memory is universally used to represent a single character like 'A' or '7'?

Accepted Answer

Byte. A byte is a unit of data that is eight bits long and is the standard unit for character encoding. It can represent 256 different values. Most hardware architectures treat a byte as the smallest addressable unit of memory.

Question 4

In the metric system of computing, what does 1 Kilobyte (KB) equal to in terms of bytes?

Accepted Answer

1024 bytes. While kilo generally means 1000, in binary-based computing, it refers to two to the power of ten. This results in a value of 1024 bytes per kilobyte. This standard is commonly used in technical documentation and textbooks.

Question 5

Which unit of memory is exactly equal to 1024 Kilobytes?

Accepted Answer

1 Megabyte. One Megabyte is equivalent to 1024 Kilobytes or approximately one million bytes. It was a common unit for measuring the capacity of floppy disks and early RAM. The abbreviation for Megabyte is MB.

Memory Units — Set 1