Quiz-1: Computer Architecture

A register that keeps track of the next instruction to be executed is called a _____________

• Program Counter

• Instruction Register

• Accumulator

• Data Register

The ALU works on the instructions and data held in the _______________

• Notebook

• Registers

• Copy Pad

• I/O devices

Name component A, B and C

• A: Memory, B: Control Unit, C: CPU

• A: Control Unit, B: Memory, C: CPU

• A: Memory, B: CPU, C: Control Unit

• A: Control Unit, B: CPU, C: Memory

Instruction register (IR) consists of current instruction address

• True

• False

The "F" step of instruction processing is known as

• Folding

• Fetch

• Fixing

• Decode

In D steps, _____

• compute the address required for memory access.

• load the next instruction to IR and increment of PC.

• the opcode of the instruction is determined.

• determine source operands needed to perform operations.

What does the hardwired control generator consist of?

• Decoder/encoder

• Condition codes

• Control step counter

• All of the mentioned

The device used to fetch (or bring) instructions and data into a computer system is called

• ALU

• Control Unit

• Input Device

• Output Device

The instruction, Add #45,R1 does _______

• Adds the value of 45 to the address of R1 and stores 45 in that address

• Adds 45 to the value of R1 and stores it in R1

• Finds the memory location 45 and adds that content to that of R1

• None of the mentioned

________ are the different type/s of generating control signals.

• Hardwired

• Micro-instruction

• Micro-programmed

• Both Micro-programmed and Hardwired