MCQ Bank
Which one of the following methods for resolving the priority makes use of individual bits of a priority encoder?
- A) Asynchronous Priority
- B) Semi-synchronous Priority
- C) Parallel Priority
- D) Daisy-Chaining Priority
Which temporary register is loaded with either a register value from the register file or a constant from the instruction?
- A) X3
- B) Z4
- C) Y3
- D) Z5
In ________, a separate address space of the CPU is reserved for I/O operations.
- A) Isolated I/O
- B) Memory Mapped I/O
- C) None of above
- D) All of above
_______ signal has Output direction with respect to printer
- A) D<7..0>
- B) STROBE#
- C) INIT#
- D) ACKNLG#
ET = ___________.
- A) CPI / IC x T
- B) CPI x IC x T
- C) CP x IC x T
- D) CPI x IC / T
_______hazard occurs when an instruction attempts to access some data value that has not yet been updated by the previous instruction.
- A) Data
- B) Structural
- C) Instruction
- D) Branch
Tri-state buffers are used for removing ___________.
- A) Instruction contention
- B) Instruction collision
- C) bus contention
- D) bus collision
To set the value of micro-PC from branch address, the value of 4 to 1 multiplexer is ______________.
- A) 10
- B) 01
- C) 00
- D) 11
_____________ is/are example(s) of synchronous communication.
- A) Memory to Memory
- B) Register to Register
- C) Register to Memory
- D) All of the given
Which of the following pins of processor is designated for maskable interrupts?
- A) RINT
- B) NMI
- C) INTR
- D) MI
Connection to a CPU that provides a data path between the CPU and external devices, such as a keyboard, display, or reader is called-----------
- A) Buffer
- B) I/O port
- C) Memory mapping
- D) Processor
If a character is not available at the beginning of an interval, an ________ is said to occur.
- A) Parity Error
- B) Framing Error
- C) Overrun Error
- D) Under-run Error
Super-scalar processor divides the instructions into _________ classes.
- A) 4
- B) 3
- C) 5
- D) 2
Where does the processor store the address of the first instruction of the ISR?
- A) Interrupt handler
- B) Interrupt request
- C) Interrupt vector
- D) All of the given options
The third stage of the Pipelined version of SRC is;
- A) Memory access
- B) Register write
- C) ALU operation
- D) Instruction Fetch
_____ form the branch control field in the micro instruction.
- A) A Bits
- B) B Bits
- C) M Bits
- D) C Bits
Which of the following control signals is NOT activated during instruction fetch operation?
- A) LC
- B) PCout
- C) Cout
- D) LMAR
The __________ instruction is completed once memory access has been made and the memory location has been written to.
- A) Branch
- B) Store
- C) Control
- D) Link
A collection of -----------is called a micro program.
- A) Registers
- B) large scale operations
- C) Microinstructions
- D) DMA
Every time you press a key, an interrupt is generated.
This is an example of
- A) Hardware interrupt
- B) All of the given
- C) Software interrupt
- D) None of the given