TEST 2 (CH 5)

What is computer architecture?

• set of categories and methods that specify the functioning, organisation, and implementation of computer systems

• set of principles and methods that specify the functioning, organisation, and implementation of computer systems

• set of functions and methods that specify the functioning, organisation, and implementation of computer systems

• None of the mentioned

What is computer organization?

• structure and behaviour of a computer system as observed by the user

• structure of a computer system as observed by the developer

• structure and behaviour of a computer system as observed by the developer

• All of the mentioned

Effective address is?

• Operand in computation type

• Target address in branch type

• Both A & B

• None

Which register is used to hold address of next instruction?

• Program Counter (PC)
• Instruction Register (IR)
• Memory Address Register (MAR)
• Accumulator (ACC)

Which register does not have 16 number of bits?

• DR

• PC

• IR

• AC

Which register has only 8 number of bits?

• INPR

• DR

• AC

• PC

Which register is also called as processor register?

• PC

• AC

• TR

• AR

In common bus system, value of DR is placed on bus lines when S2 S1 S0 =?

• 000

• 001

• 010

• 011

Which instruction of the following is not included in register reference?

• CLA

• ADD

• INC

• HLT

Which part of instruction cycle is not executed in direct addressing mode?

• FETCH

• READ EFFECTIVE ADDRESS

• DECODE

• ALL OF ABOVE