Computer Organization and Architecture

The main components (or basic units) of a computer system are

• Input/Output unit

• Central Process Unit (CPU)

• Memory unit (Storage unit)

• All the above

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

The addressing mode/s, which uses the PC instead of a general purpose register is ______

• Indexed with offset

• Relative

• Direct

• Both Indexed with offset and direct

In CISC architecture most of the complex instructions are stored in _____

• CMOS

• Register

• Transistors

• Diodes

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

• Hardwired

• Micro-instruction

• Micro-programmed

• Both Micro-programmed and Hardwired

What is the full form of ISA?

• Industry Standard Architecture

• International Standard Architecture

• International American Standard

• None of the mentioned

During a write operation if the required block is not present in the cache then ______ occurs.

• Write miss

• Write latency

• Write hit

• Write delay

The bit used to indicate whether the block was recently used or not is _______

• Reference bit

• Dirty bit

• Control bit

• Idol bit

The techniques which move the program blocks to or from the physical memory is called as ______

• Paging

• Virtual memory organization

• Overlays

• Framing