Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data Devices are accessed using IN and OUT instructions There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data Devices are accessed using IN and OUT instructions There can be maximum of 256 input devices and 256 output devices ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is Assignment, relational, arithmetic Arithmetic, assignment, relational Relational, assignment, arithmetic Arithmetic, relational, assignment Assignment, relational, arithmetic Arithmetic, assignment, relational Relational, assignment, arithmetic Arithmetic, relational, assignment ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The ROM programmed during manufacturing process itself is called PROM MROM EEPROM EPROM PROM MROM EEPROM EPROM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While STC instruction executes, only carry flag will be affected. no flags will be affected. only carry and zero flags will be affected. all flags will be affected. only carry flag will be affected. no flags will be affected. only carry and zero flags will be affected. all flags will be affected. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor After RESET 8255 will be in mode 0; all ports are input mode 0; all ports are output unchanged condition mode 2 mode 0; all ports are input mode 0; all ports are output unchanged condition mode 2 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: In 8085 microprocessor, data-bus and address bus are multiplexed in order to I)Increase the speed of microprocessor. II)Reduce the number of pins. III)Connect more peripheral chips. Which of these statements is/are correct? (I), (II) & (III) (II) & (III) (II) only (I) only (I), (II) & (III) (II) & (III) (II) only (I) only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS