Components of computer: Computer has four major components, they are: Central processing unit (CPU) Memory unit Input devices Output devices Central Processing Unit (CPU): CPU plays the key role in a computer by carrying out instructions of a computer program. It performs all the basic operations, such as logic, arithmetic, controlling and input/output operations that are specified by the instructions. The CPU comprises of two units, Arithmetic logic unit (ALU) and control unit (CU). Memory unit: Once computer program instructions are converted into machine code by CPU, the machine code is stored in memory. Then the CPU fetches the required data and instructions from memory, perform the required operations and then sends the result and next set of instructions back to memory. Input devices: The devices used by the user to feed information to computer, such as a hard drive, keyboard, or a networking card. These devices get the data from outside world into computer in the way that human eyes and ears bring the data to brain. Output devices: Output devices are used by computer to deliver information to user, such as a monitor, printer, and speaker. The CPU takes machine code present in memory and converts it into a format that is required by monitor’s hardware. Then the monitor’s hardware converts that information into different light intensities so that you see words or pictures.

Question

Homework You have the row vector (A) that has values from (-100 to 100), write MATLAB codes to: (1) Interchange the first 10 elements with last ten elements. (2) Replace the elements at indices (93,9,17,50) of A with 99. (3) Return the second element and the element before the last of A as a column vector (C1). (4) Extract the first five elements and the last five elements of A and append them as a row vector (R). (5) Set the elements of A with odd indices to zeros(0).

Answer 1

Question

Chapter 3, Problem 1CTQ1

Program Plan Intro

Components of computer:

Computer has four major components, they are:

Central processing unit (CPU)

Memory unit

Input devices

Output devices

Central Processing Unit (CPU):

CPU plays the key role in a computer by carrying out instructions of a computer program.

It performs all the basic operations, such as logic, arithmetic, controlling and input/output operations that are specified by the instructions.

The CPU comprises of two units, Arithmetic logic unit (ALU) and control unit (CU).

Memory unit:

Once computer program instructions are converted into machine code by CPU, the machine code is stored in memory.

Then the CPU fetches the required data and instructions from memory, perform the required operations and then sends the result and next set of instructions back to memory.

Input devices:

The devices used by the user to feed information to computer, such as a hard drive, keyboard, or a networking card.

These devices get the data from outside world into computer in the way that human eyes and ears bring the data to brain.

Output devices:

Output devices are used by computer to deliver information to user, such as a monitor, printer, and speaker.

The CPU takes machine code present in memory and converts it into a format that is required by monitor’s hardware.

Then the monitor’s hardware converts that information into different light intensities so that you see words or pictures.

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Homework You have the row vector (A) that has values from (-100 to 100), write MATLAB codes to: (1) Interchange the first 10 elements with last ten elements. (2) Replace the elements at indices (93,9,17,50) of A with 99. (3) Return the second element and the element before the last of A as a column vector (C1). (4) Extract the first five elements and the last five elements of A and append them as a row vector (R). (5) Set the elements of A with odd indices to zeros(0).

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