This section contains more frequently asked Computer Organization Basics Multiple Choice Questions and Answers in the various University Level and Competitive Examinations.
1. A ___________development system and an ______are essential tools for writing large assembly language programs.
- Microprocessor, assembler
2. In an operation performed by the ALU, carry bit is set to 1 if the end carry C 8 is ________. It is cleared to 0 (zero) if the carry is ______ _______.
- One, zero
3. A successive A/D converter is
- a high-speed converter.
- a low speed converter.
- a medium speed converter.
- none of these.
4. When necessary, the results are transferred from the CPU to main memory by
- I/O devices.
- CPU
- shift registers.
- none of these.
5. A combinational logic circuit which sends data coming from a single source to two or more separate destinations is
- Decoder
- Encoder
- Multiplexer
- Demultiplexer
6. In which addressing mode the operand is given explicitly in the instruction
- Absolute
- Immediate
- Indirect
- Direct
7. A stack organized computer has
- Three-address Instruction.
- Two-address Instruction.
- One-address Instruction.
- Zero-address Instruction.
8. A Program Counter contains a number 825 and address part of the instruction contains the number 24. The effective address in the relative address mode, when an instruction is read from the memory is
- 849
- 850
- 801
- 802
9. A page fault
- Occurs when there is an error in a specific page.
- Occurs when a program accesses a page of main memory.
- Occurs when a program accesses a page not currently in main memory.
- Occurs when a program accesses a page belonging to another program.
10. In a program using subroutine call instruction, it is necessary______.
- initialize program counter
- Clear the accumulator
- Reset the microprocessor
- Clear the instruction register