Microprocessor Components set 1

Que: 1. FPGA means
a. Field Programmable Gate Array
b. Forward Programmable Gate Array
c. Forward Parallel Gate Array
d. Field Parallel Gate Array
Discussion
Que: 2. Which language could be used for programming an FPGA.
a. Verilog
b. VHDL
c. Both A and B
d. None of the above
Discussion
Que: 3. The program counter in a 8085 micro-processor is a 16-bit register, because
a. It counts 16-bits at a time
b. There are 16 address lines
c. It facilitates the user storing 16-bit data temporarily
d. It has to fetch two 8-bit data at a time
Discussion
Que: 4. A microprocessor is ALU
a. and control unit on a single chip.
b. and memory on a single chip.
c. register unit and I/O device on a single chip.
d. register unit and control unit on a single chip.
Discussion
Que: 5. Basic steps of execution of an instruction is
a. fetch → execute → decode
b. decode → fetch → execute
c. execute → fetch → decode
d. fetch → decode → execute
Discussion
Que: 6. A microprocessor with a 12-bit address bus will be able to access
a. 1 K bytes
b. 4 K bytes
c. 8 K bytes
d. 10 K bytes
Discussion
Que: 7. DMA is used between
a. microprocessor and I/O
b. microprocessor and memory
c. memory and I/O
d. none
Discussion
Que: 8. Which of the data transfer is not possible in microprocessor
a. memory to accumulator
b. accumulator to memory
c. memory to memory
d. I/O device to accumulator
Discussion
Que: 9. Which one of the following statement is false?
a. A microprocessor has bi-directional address bus
b. A microprocessor has unidirectional address bus
c. A microprocessor has bi-directional data bus
d. A microprocessor has an ALU
Discussion
Que: 10. In microprocessor based system DMA refers to
a. direct memory access for microprocessor
b. direct memory access for the user
c. direct memory access for the I/O device
d. none of the above
Discussion