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

The card attached to the motherboard allows pictures and text to appear. It controls the output to a display screen.

• Graphics Card

• Sound Card

• Network Card

• Ethernet Cord

Answer explanation

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.

Which Technology System is mobile and uses a touchscreen

• Games Console

• Server

• Programmable Computer

• Tablet

Answer explanation

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.

Which two reasons might make a business invest in a technology system?

• Reducing their operating costs

• Improving their environment

• Keeping staff happy

• Improving efficiency

Answer explanation

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.

Match the following

• Primary storage, read/write

• Optical

• Uses a magnetic disk to store data

• ROM

• Uses flash memory (transistors which save state)

• RAM

• Data coded as a pattern of dots read by a laser

• Solid state

• Primary storage, read only

• Hard disk

Close to the CPU and handles transactions between CPU and memory: ​ ​ (a)  

Handles slower transactions between peripherals and bios​ (b)   ​

• Cache

• RAM

• Hard Drive

• BIOS

Answer explanation

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 _______________ is a small computer usually for a dedicated purpose

Answer explanation

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.

Match the following

• internal frequency at which a computer operates

• Peripheral

• Not essential to the operation of the system

• Clock speed

• RAM close to the processor which is used for fast access

• Memory

• Internal or external storage for the computer

• Storage

• Internal storage in the computer

• Cache memory

Can be written to once: ​ (a)  

Cannot be written to (read-only): ​ (b)  

Can be written to and read from multiple times: ​​ (c)  

• CD
• CD-RW
• CD-RD
• CD-R

Answer explanation

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.

What does this image show?

• Optical Storage

• Hard Disk

• Solid State Drive

• RAM

Answer explanation

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.

What is a (computer) bus?

• Wires on the motherboard

• A public transportation vehicle

• A device used to store data

• A type of computer software

Answer explanation

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.