Micro programmed control unit is:

Index register in a digital computer is used for:

A switching circuit that produces one in a set of input bits as an output based on the control value of control bits is termed as:

On receiving an interrupt from an I/O device, the CPU:

Why is the width of a data bus so important to the processing speed of a computer?

Assuming all numbers are in 2’s complement representation, which of the following numbers is divisible by $11111011$?

The switching expression corresponding to $f(A,B,C,D) = \Sigma(1,4,5,9,11,12)$ is:

To change upper case to the lower case letter in ASCII, correct mask and operation should be:

In the virtual memory system, the address space specified by address lines of the CPU must be ______ than the physical memory size and ______ than the secondary storage size.