Programming & Interface Week 1B

What is the smallest unit of data in a computer system?

• Bit
• Byte
• Kilobyte
• Megabyte
• Gigabyte

How many bits are there in a byte

• 4
• 8
• 16
• 32
• 256

Which number system uses only two digits (0 and 1)?

• Binary
• Decimal
• Headecimal
• Octal

What is the decimal equivalent of the binary number 1011?

• 8
• 10
• 11
• 13

What is the hexadecimal equivalent of the decimal number 25?

• 10
• 15
• 19
• 1A
• 25

What is the purpose of memory in a microcontroller?

• To perform calculations
• To control the flow of electricity
• To store data and instructions
• To display information

Which type of memory is volatile (loses data when power is off)?

• RAM
• ROM
• Flash
• EEPROM
• EPROM

What is the role of ROM (Read-Only Memory) in a microcontroller?

• To connect external devices
• To store temporary data, such as variables
• To perform arithmetic operations
• To store the program code permanently

What is the advantage of flash memory over ROM?

• It is faster
• It is cheaper
• It can be reprogrammed
• It consumes less power

What is the purpose of an address in memory?

• To store data
• To identify the location of a specific location in memory
• To perform calculations
• To control the flow of the program