20EC208 MCAPP (2024-25 EVEN) Surprise Quiz II

1.      The maximum operating CPU frequency of LPC2148 is _______

• 11.0592 MHz

• 48 MHz

• 100 MHz

• 60 MHz

2.      Choose the maximum number of GPIO pins available in LPC2148

• 45

• 30

• 40

• 48

3.      Identify the peripherals that is NOT present in LPC2148  

• UART

• CAN

• I2C

• SPI

4.      Which of the following is NOT a feature of LPC2148?

• In-System Programming (ISP)

• In-Application Programming (IAP)

• In-Circuit Emulation (ICE)

• In-System Debugging (ISD)

5.      Identify the primary purpose of the PLL (Phase Locked Loop) in LPC2148

• To control the power supply

• To generate accurate clock signals

• To regulate the Flash memory  

• To manage interrupts  

6.      ___________ is used to configure the direction of a GPIO pin as input or output in LPC2148

• PINSEL

• IOSET

• IODIR

• IOCLR

7.      Which of the following statements is true regarding interrupts in LPC2148?

• LPC2148 supports only external interrupts  

• LPC2148 supports only internal interrupts  

• LPC2148 supports both external and internal interrupts  

• LPC2148 does not support interrupts

8.      Select the appropriate operation for the instruction IO0DIR &= ~(1<<10);

• Configure GPIO0.10 as Output

• Configure GPIO0.10 as Input

• Configure GPIO0.10 as High Impedance state

• Select GPIO0.10

9.      Find the maximum resolution of ADC in LPC2148

• 8 bit

• 16 bit

• 12 bit

• 10 bit

10.      ______type of memory is used for storing programs in LPC2148.

• SRAM

• EEPROM

• Flash Memory

• Cache Memory