Which one of the following is true with regard to a CPU having a single interrupt request line and single interrupt grant line?
A. iii
B. i, iv
C. ii, iii
D. iii, iv
Select an option to see the answer and solution.
The assembler stores all the names and their corresponding values in . . . . . . . .
A. Special purpose Register
B. Symbol Table
C. Value map Set
D. None of the mentioned
Select an option to see the answer and solution.
IOPL stands for . . . . . . . .
A. Input/Output Privilege level
B. Input Output Process Link
C. Internal Output Process Link
D. Internal Offset Privilege Level
Select an option to see the answer and solution.
REPINS instruction is used to . . . . . . . .
A. Transfer a block of data serially from an Input device to the processor
B. Transfer a block of data parallelly from Input device to the processor
C. Transfer a block of data serially from an Input device to the output device
D. Transfer a block of data parallelly from Input device to the output device
Select an option to see the answer and solution.
The controller is connected to the . . . . . . . .
A. Processor BUS
B. System BUS
C. External BUS
D. None of the mentioned
Select an option to see the answer and solution.
Which of the register/s of the processor is/are connected to Memory Bus?
A. PC
B. MAR
C. IR
D. Both PC and MAR
Select an option to see the answer and solution.
Which is fed into the BUS first by the initiator?
A. Data
B. Address
C. Commands or controls
D. Address, Commands or controls
Select an option to see the answer and solution.
The side of the interface circuits, that has the data path and the control signals to transfer data between interface and device is . . . . . . . .
A. BUS side
B. Port side
C. Hardwell side
D. Software side
Select an option to see the answer and solution.
The PC is incorporated with the help of general purpose registers.
Select an option to see the answer and solution.
If we want to perform memory or arithmetic operations on data in Hexa-decimal mode then we use . . . . . . . . symbol before the operand.
Select an option to see the answer and solution.
. . . . . . . . register is designated to point to the 68000 processor stack.
A. A7 register
B. B2 register
C. There is no such designation
D. Any general purpose register is selected at random
Select an option to see the answer and solution.
The pipeline bubbling is a method used to prevent data hazard and structural hazards.
Select an option to see the answer and solution.
The processor indicates to the devices that it is ready to receive interrupts . . . . . . . .
A. By enabling the interrupt request line
B. By enabling the IRQ bits
C. By activating the interrupt acknowledge line
D. None of the mentioned
Select an option to see the answer and solution.
Which of the following techniques used to effectively utilize main memory?
A. Address binding
B. Dynamic linking
C. Dynamic loading
D. Both Dynamic linking and loading
Select an option to see the answer and solution.
The 68000 uses . . . . . . . . method to access I/O devices buffers.
A. Memory mapped
B. I/O mapped
C. Buffer mapped
D. None of the mentioned
Select an option to see the answer and solution.
To get the physical address from the logical address generated by CPU we use . . . . . . . .
A. MAR
B. MMU
C. Overlays
D. TLB
Select an option to see the answer and solution.
The Branch instruction in 68000 provides how many types of offsets?
Select an option to see the answer and solution.
The last field in the packet is . . . . . . . .
Select an option to see the answer and solution.
The data packets can contain data upto . . . . . . . .
A. 512 bytes
B. 256 bytes
C. 1024 bytes
D. 2 KB
Select an option to see the answer and solution.
What is subroutine nesting?
A. Having multiple subroutines in a program
B. Using a linking nest statement to put many subroutines under the same name
C. Having one routine call the other
D. None of the mentioned
Select an option to see the answer and solution.
