UNIT 1.2 MEMORY

Q1: This is volatile storage (1-3)

• ROM
• RAM
• Secondary Storage
• Hard Disk

Q2: This contains the BIOS (Boot-up program) (3-4)

• ROM
• RAM
• Cache
• Hard Disk

Q3: You can write data more than once to this device (1-3)

• CD ROM
• RAM
• ROM
• DVD+R

Q4: Which statement is true? (1-3)

• RAM is part of the hard disk
• ROM is volatile
• RAM stores programs / data used by the CPU
• ROM contains the operating system

Q5: A gaming computer is “thrashing” the disk. Why? (5-7)

• The game takes up too much space
• The game uses high resolution graphics
• The screen uses too many colours
• The processor is short of RAM

Q6: Which statement is true? (3-5)

• RAM is non volatile
• RAM has a slow access time relative to other storage devices
• RAM can be static or Dynamic (SRAM/DRAM)
• RAM holds the BIOS

Q7: What is firmware? (3-5)

• Data in RAM
• A program in ROM
• Any hardware
• A program in cache

Q8: What is the difference between SRAM and DRAM (6-9)

• DRAM is physically bigger
• DRAM is faster
• SRAM needs its data to be refreshed otherwise it loses it
• DRAM needs its data to be refreshed otherwise it loses it

Q9: What is the fastest data storage in a computer (6-9)

• Registers
• RAM
• HDD
• ROM

Q10: How does data/ instructions move between the CPU and RAM (6-9)

• ROM
• Address and data bus
• Address bus
• Data bus