Computer Fundamentals and System Concepts

BIOS stands for Basic Input Output System, which is the firmware used to perform hardware initialization during the booting process.

The hard disk is the primary internal storage device located inside the CPU cabinet. Other options like CDs or floppy disks are removable media.

In the computing cycle, input is the data provided, processing is the action taken, and output is the final result presented to the user.

The Central Processing Unit (CPU) is responsible for interpreting and executing instructions, making it the brain of the computer. CU, MU, and ALU are internal components of the CPU.

A computer virus is a type of malicious software designed to replicate and damage files or the system. Bacteria and insects are biological terms.

An integrated circuit, commonly referred to as a chip, is a small semiconductor device that forms the basis of computer hardware.

Booting is the process of starting a computer and loading the operating system into memory.

A polymorphic virus is a type of malware that constantly changes its identifiable features (code) to evade detection by antivirus software.

Once a malicious program is installed on a system, it is essential that it stays concealed, to avoid detection. Software packages known as rootkits allow this concealment, by modifying the host's operating system, so that the malware is hidden from the user. Rootkits can prevent a malicious process from being visible in the system's list of processes, or keep its files from being read.

Middleware is computer software that provides services to software applications beyond those available from the operating system. It can be described as software glue.

Among the listed processors, the Intel Core i7 represents a more advanced and powerful architecture compared to the older Core 2 Extreme, Atom N270, or standard Dual Core CPUs.

Correct option is (1).

Digital computers operate using electrical signals that are either on or off, which corresponds to the binary system.

Hardware refers to the physical, tangible components of a computer system, such as the monitor, keyboard, and internal circuitry.

The claimed answer 'computer organization' is incorrect. Computer organization refers to how hardware components are connected and operate at the physical level. The study of these operations and connections is typically called 'computer organization' or 'computer architecture'. However, 'computer organization' vs 'computer architecture' has subtle distinctions that make this question potentially ambiguous.