KPIT Previous Years Solved Sample Placement Papers
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The contents of the accumulator after this operation:
MOV A, #0BHANL A, #2CHA) 11010111
B) 11011010
C) 00001000
D) 00101000
Ans: Option C -
The software used to drive microprocessor-based systems is called:
A) Assembly language
B) Firmware
C) Machine language code
D) BASIC interpreter instructions
Ans: Option A -
The ________ ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus:
A) Control bus
B) Control instructions
C) Address decoder
D) CPU
Ans: Option C -
What type of circuit is used at the interface point of an output port?
A) Decoder
B) Latch
C) Tristate buffer
D) None of the above
Ans: Option B -
The register in the 8085A that is used to keep track of the memory address of the next opcode to be run in the program is the:
A) Stack pointer
B) Program counter
C) Instruction pointer
D) Accumulator
Ans: Option B -
Which of the following buses is primarily used to carry signals that direct other ICs to find out what type of operation is being performed?
A) Data bus
B) Control bus
C) Address bus
D) Address decoder bus
Ans: Option B -
Which of the following is not an enhancement to the Pentium that was unavailable in the 8086/8088?
A) "Pipelined" architecture
B) Expansion of cache memory
C) Inclusion of an internal math coprocessor
D) Data/address line multiplexing
Ans: Option D -
Which of the following is not a jump instruction?
A) JB (jump back)
B) JA (jump above)
C) JO (jump if overflow)
D) JMP (unconditional jump)
Ans: Option A -
The Pentium microprocessor has a data bus of ________:
A) 16 bits
B) 32 bits
C) 64 bits
D) 128 bits
Ans: Option C -
A ________ filter significantly attenuates all frequencies below fc and passes all frequencies above fc:
A) Low-pass
B) High-pass
C) Band-pass
D) Band-stop
Ans: Option B