Table of Contents
- 1 How does a computer recognize binary code?
- 2 How does the computer know whether an address contains an instruction or data?
- 3 Why does computer understand binary?
- 4 How does microprocessor differentiate between data and instruction?
- 5 Who gives instruction computer?
- 6 What is a program or set of instructions called?
- 7 What happens when you change the bit pattern in an instruction queue?
- 8 How does a computer differentiate between instructions and numbers?
How does a computer recognize binary code?
As we know computers are made up of billions of transistors, transistor is basically electronic component that can control the flow of instructions and these electronic signal can be either ON/OFF (HIGH/LOW or 0/1) hence computer can simply read and understand binary language.
How does the computer know whether an address contains an instruction or data?
How does the computer distinguish between instructions and data? The CPU cannot therefore distinguish between instructions and data just by reading the bit pattern stored at a memory address. The CPU program counter should therefore always contain the memory location of an instruction.
How does a computer get instruction?
How does a computer get instructions? A computer is given instructions by a human using a keyboard or another input device. To interpret these instructions, the computer uses an operating system or software that’s also programmed by a human to translate user commands into something the computer can understand.
How does a CPU understand instructions?
Specifically, a CPU has four functions: to fetch, decode, execute, and store instructions. First, it fetches instructions from your computer’s memory. Next, it decodes or translates these instructions into binary instructions (or a series of 1s and 0s) so the computer can understand the instructions.
Why does computer understand binary?
Computers don’t understand words or numbers the way humans do. To make sense of complicated data, your computer has to encode it in binary. Binary is a base 2 number system. Base 2 means there are only two digits—1 and 0—which correspond to the on and off states your computer can understand.
How does microprocessor differentiate between data and instruction?
How does the microprocessor differentiate between data and instruction? For example MVI A, Data, the second byte is always considered as data. If the data byte is omitted by mistake whatever is in that memory location will be considered as data&thebyteafterthe“data”willbetreated as the next instruction.
What is an instruction in computer?
An instruction is an order given to a computer processor by a computer program. In a computer’s assembler language, each language statement generally corresponds to a single processor instruction.
What is meant by instruction in computer?
An instruction is an order given to a computer processor by a computer program. In assembler language, a macro instruction is one that, during processing by the assembler program, expands to become multiple instructions (based on a previously coded macro definition).
Who gives instruction computer?
The instructions given to the computer is given by the human using a keyboard or any other input device. The computer uses a software or OS to interpret these instructions which are also programmed by the human to translate the user commands.
What is a program or set of instructions called?
A set of instructions that directs a computer’s hardware to perform a task is called a program, or software program. …
How does computer execute code?
A compiler takes the program code (source code) and converts the source code to a machine language module (called an object file). Another specialized program, called a linker, combines this object file with other previously compiled object files (in particular run-time modules) to create an executable file.
How do you know if a bit pattern is 0 or 1?
If both bits in the compared position of the bit patterns are 0 or 1, the bit in the resulting bit pattern is 0, otherwise 1. Left Shift ( << ): Left shift operator is a binary operator which shift the some number of bits, in the given bit pattern, to the left and append 0 at the end.
What happens when you change the bit pattern in an instruction queue?
Once that action has been completed, the bit pattern in the instruction register can be changed, and the CPU will perform the operation specified by this next bit pattern. Most modern CPUs use an instruction queue. Several instructions are waiting in the queue, ready to be executed.
How does a computer differentiate between instructions and numbers?
The way the computer distinguishes between instructions and numbers simply depends on what is reading the data and where. For example, a simple Arithmetic Logic Unit (ALU) will include an input for the operation to be done, and two inputs for the operands.
How to check if the bit is set in binary form?
As n = 0, the the loop will terminate and gives the result as 4. Complexity: O (K), where K is the number of ones present in the binary form of the given number. 3) Check if the ith bit is set in the binary form of the given number. To check if the i th bit is set or not (1 or not), we can use AND operator.