Книга: Introduction to Microprocessors and Microcontrollers

Quiz time 8

In each case, choose the best option.

1 The stack is:

(a) an abbreviation for stack pointer.

(b) a series of RAM locations that can be used by the microprocessor to store data.

(c) a collection of programs.

(d) a chimney.

2 A CPU:

(a) is an essential part of any microprocessor.

(b) is an abbreviation for computer processing unit.

(c) can contain more than one MPU.

(d) is a function of a register.

3 Adding the binary numbers 1100 1100 to 0010 1001 within a Z80180 microprocessor would result in C and H flags being in the condition:

(a) C clear and H clear.

(b) C clear and H set.

(c) C set and H clear.

(d) C set and H set.

4 The interrupt vector register (I) in the Z80180 microprocessor is used to store the:

(a) high byte of the interrupt address.

(b) start up address for the microprocessor.

(c) low byte of the interrupt address.

(d) stack pointer address.

5 The fetch–execute cycle:

(a) works in hexadecimal.

(b) assumes the second, fourth, sixth etc. inputs are data.

(c) assumes the first input is an instruction.

(d) is a system used by the Instruction register to channel information to the correct part of the microprocessor.

Оглавление книги