Computer Organisation and Architecture | COA | MCQ
Question 1:
Where does a computer add and compare data?
- Hard disk
- Floppy disk
- CPU chip
- Memory chip
Question 2:
Which of the following registers is used to keep track of address of the memory location where the next instruction is located?
- Memory Address Register
- Memory Data Register
- Instruction Register
- Program Register
Question 3:
A complete microcomputer system consists of
- microprocessor
- memory
- peripheral equipment
- all of above
Question 4:
CPU does not perform the operation
- data transfer
- logic operation
- arithmetic operation
- all of above
Question 5:
Pipelining strategy is called implement
- instruction execution
- instruction prefetch
- instruction decoding
- instruction manipulation
Question 6:
A stack is
- an 8-bit register in the microprocessor
- a 16-bit register in the microprocessor
- a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
- a 16-bit memory address stored in the program counter
Question 7:
A stack pointer is
- a 16-bit register in the microprocessor that indicate the beginning of the stack memory.
- a register that decodes and executes 16-bit arithmetic expression.
- The first memory location where a subroutine address is stored.
- a register in which flag bits are stored
Question 8:
The branch logic that provides decision making capabilities in the control unit is known as
- controlled transfer
- conditional transfer
- unconditional transfer
- none of above
Question 9:
Interrupts which are initiated by an instruction are
- internal
- external
- hardware
- software
Question 10:
A time sharing system imply
- more than one processor in the system
- more than one program in memory
- more than one memory in the system
- None of above