Unit Test Class XI

What are the two main types of primary memory?

• SSD and HDD

• RAM and ROM

• Cache and Flash

• Virtual and Physical

Name one characteristic of RAM.

• Permanent storage

• Volatile memory

• Read-only memory

• Non-volatile memory

What is the purpose of cache memory?

• To increase the size of the hard drive.

• The purpose of cache memory is to speed up data access for the CPU by storing frequently accessed data and instructions.

• To store backup copies of files.

• To improve the graphics performance of the computer.

List the two levels of cache memory.

• L0, L1

• L2, L4

• L1, L3

• L1, L2

Give an example of an input device.

• Printer

• Scanner

• Keyboard

• Mouse

What is the function of a keyboard?

• To display images on the screen.

• To connect to the internet.

• To store data permanently.

• The function of a keyboard is to input data and commands into a computer.

Identify one type of softcopy output device.

• Plotter

• Computer monitor

• Printer

• Scanner

What distinguishes hardcopy output from softcopy output?

• Hardcopy output is created using digital devices, while softcopy output is produced using printers.

• Hardcopy output is physical and tangible, while softcopy output is digital and intangible.

• Hardcopy output can be easily edited, while softcopy output cannot be changed.

• Hardcopy output is always in color, while softcopy output is only in black and white.

Name a common secondary memory device.

• CD-ROM

• SSD

• USB Flash Drive

• Hard Drive

Explain the concept of memory hierarchy.

• Memory hierarchy refers to the physical layout of a computer's motherboard.

• Memory hierarchy is a method of organizing files on a hard drive.

• Memory hierarchy is a type of software used for data encryption.

• Memory hierarchy is a system that organizes different types of memory storage to balance speed, size, and cost, improving overall system performance.