Microprocessor ‘Burst refresh’ in DRAM is also called Distributed refresh Hidden refresh Concentrated refresh None of these Distributed refresh Hidden refresh Concentrated refresh None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microprocessor with a 12-bit address bus will be able to access 4 K bytes 8 K bytes 1 K bytes 10 K bytes 4 K bytes 8 K bytes 1 K bytes 10 K bytes ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following? Memory cycle Machine cycle Instruction cycle Clock cycle Memory cycle Machine cycle Instruction cycle Clock cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields? 1, 3, 2 and 4 1, 2, 3 and 4 2, 1, 4 and 3 2, 4, 1 and 3 1, 3, 2 and 4 1, 2, 3 and 4 2, 1, 4 and 3 2, 4, 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer register in a microprocessor counts the number of programs being executing on the microprocessor counts the number of instructions being executing on the microprocessor holds the address of the top of the stack keeps the address of the next instruction to be fetched counts the number of programs being executing on the microprocessor counts the number of instructions being executing on the microprocessor holds the address of the top of the stack keeps the address of the next instruction to be fetched ANSWER DOWNLOAD EXAMIANS APP