COE

$224$

Sheet $-04$ :

Which of the following is a permanent storage device?

$($a$)$ DRAM

$($b$)$ SRAM

$($c$)$ Magnetic disk

$($d$)$ All of the above

What is the function of datapath in a computer system?

$($a$)$ To store data

$($b$)$ To execute instructions

$($c$)$ To input data

$($d$)$ To output data

Which type of memory device is faster?

$($a$)$ Magnetic disk

$($b$)$ Optical disk

$($c$)$ DRAM

$($d$)$ Flash disk

What is Instruction Set Architecture $($ISA$)?$

$($a$)$ A set of instructions that a computer's processor can understand and execute

$($b$)$ A type of memory organization

$($c$)$ A method of input$/$output mechanisms

$($d$)$ A type of interrupt handling

What is the function of registers in ISA?

$($a$)$ To store data permanently.

$($b$)$ To organize memory.

$($c$)$ To store data temporarily during processing.

$($d$)$ To handle interrupts.

What is addressing mode in ISA?

$($a$)$ The way in which the processor can access memory.

$($b$)$ The method of input$/$output mechanisms.

$($c$)$ The type of interrupt handling.

$($d$)$ The levels of access and permissions.

What are the methods by which the processor can communicate with external devices in ISA?

$($a$)$ Interrupt handling.

$($b$)$ Addressing modes.

$($c$)$ Data types.

$($d$)$ Input$/$output mechanisms.

What is a program counter in computer architecture?

$($a$)$ A register that holds the current instruction address.

$($b$)$ A device that converts binary data into one of several output lines.

$($c$)$ A device that converts digital signals into analog signals.

$($d$)$ A device that converts analog signals into digital signals.

What is interrupt handling in computer architecture?

$($a$)$ The process of prioritizing incoming data signals.

$($b$)$ The process of buffering incoming data signals.

$($c$)$ The process of temporarily stopping the execution of the current program to handle an event.

$($d$)$ The process of controlling the flow of data between different components of the system.

What is an instruction register in computer architecture?

$($a$)$ A device that stores the current instruction being executed.

$($b$)$ A register that holds the current instruction address.

$($c$)$ A device that converts binary data into one of several output lines.

$($d$)$ A device that converts digital signals into analog signals.

What is microprogram control in computer architecture?

$($a$)$ A technique used to break down complex machine instructions into simpler microinstructions.

$($b$)$ A programming language that uses symbolic names to represent operations, registers, and memory locations.

$($c$)$ A way to implement control logic using physical gates, flip$-$flops, and other hardware components.

$($d$)$ A method of storing instructions in binary code.

Where are micro$-$instructions stored in microprogram control?

$($a$)$ In a separate memory called the instruction memory.

$($b$)$ In a separate memory called the control memory or control store.

$($c$)$ In a cache memory.

$($d$)$ In the processor's main memory.

What is the benefit of microprogram control over hardwired control?

$($a$)$ Greater flexibility and modifiability of the processor's instruction set.

$($b$)$ Faster execution times due to the lack of micro$-$instruction retrieval and execution overhead.

$($c$)$ A simpler and less complex design process.