BTEC Level 2 Computing and Creative IT Unit 2 S1-3

The graphics card is responsible for rendering images and text, controlling the output to the display screen. It processes visual data, making it the correct choice for this function.

A tablet is a mobile device that features a touchscreen interface, allowing for easy navigation and interaction. Unlike a games console, server, or programmable computer, it is specifically designed for portability and touch-based input.

Businesses invest in technology systems primarily to reduce operating costs and improve efficiency. These factors directly impact profitability and productivity, making them key reasons for such investments.

The Northbridge connects the CPU to memory, handling fast transactions, while the Southbridge manages slower transactions between peripherals and BIOS, making them the correct answers.

A microcontroller is a compact integrated circuit designed to govern a specific operation in an embedded system, making it a small computer for dedicated purposes.

CD-R can be written to once, making it read-once. CD is a read-only format. CD-RW allows multiple writes and reads, making it rewritable. Thus, the correct answers are CD-R, CD, and CD-RW.

The image shows Optical Storage, which typically includes devices like CDs and DVDs. This distinguishes it from Hard Disks and Solid State Drives, which use magnetic and flash memory respectively, and RAM, which is volatile memory.

A computer bus refers to the wires on the motherboard that facilitate communication between different components of the computer, such as the CPU, memory, and peripherals. This makes 'Wires on the motherboard' the correct choice.