Answer NO.1a)

A type of computer processors that incorporates the functions of a computer's center processing unit (CPU) onto a single integrated circuit is called a microprocessor.

OR……….

Microprocessor is an integrated circuit that contains all the functions of a central processing unit of a computer.

Main tasksa) Controlling all other parts of the machine and sending timing signals;b) Transfers data between memory and I/O devices;c) Fetches data and instructions from memory;d) Decodes instruction;e) Performs arithmetical and logical operations;f) Executes programs stored in memory;g) Performing communication among the I/O devices etc…

b)

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c.

d.

Answer NO.2

a)The segment address, located within one of the segment registers, defines the beginning address of any 64K-byte memory segment.The offset address selects any location within the 64K byte memory segment.

b) i…..The brackets mean "memory access". Your code would have the processor fetch a value from memory ([BX]) and

store it into memory ([DL]), but this is not a valid encoding for the MOV instruction. In fact, there is no single x86 instruction that performs such a memory-memory operation.

ii….. The AX register is a 16-bit register whereas AL register is an 8-bit register. Thus the instruction is wrong because of size mismatch.

c)

Answer NO.3

A)

b)The segment registers stores the starting addresses of a data. To get the exact location of data or instruction within a segment, an offset value is required. To reference any memory location in a segment, the processor combines the segment address in the segment register with the offset value of the location.

c)