Computer Organization Questions and Answers – ARM Architecture – 2

This set of Computer Organization MCQs focuses on “ARM Architecture – 2”.

1. ___________ symbol is used to signify write back mode.
a) #
b) ^
c) &
d) !
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2. The instructions which are used to load or store multiple operands are called as __________
a) Banked instructions
b) Lump transfer instructions
c) Block transfer instructions
d) DMA instructions
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3. The Instruction, LDM R10!, {R0,R1,R6,R7} ______
a) Loads the contents of R10 into R1, R0, R6 and R7
b) Creates a copy of the contents of R10 in the other registers except for the above mentioned ones
c) Loads the contents of the registers R1, R0, R6 and R7 to R10
d) Writes the contents of R10 into the above mentioned registers and clears R10
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4. The instruction, MLA R0,R1,R2,R3 performs _________
a) R0<-[R1]+[R2]+[R3]
b) R3<-[R0]+[R1]+[R2]
c) R0<-[R1]*[R2]+[R3]
d) R3<-[R0]*[R1]+[R2]
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5. The ability to shift or rotate in the same instruction along with other operation is performed with the help of _________
a) Switching circuit
b) Barrel switcher circuit
c) Integrated Switching circuit
d) Multiplexer circuit
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6. _________ instruction is used to get the 1’s complement of the operand.
a) COMP
b) BIC
c) ~CMP
d) MVN
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7. The offset used in the conditional branching is __________ bit.
a) 24
b) 32
c) 16
d) 8
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8. The BEQ instructions is used ____________
a) To check the equality condition between the operands and then branch
b) To check if the Operand is greater than the condition value and then branch
c) To check if the flag Z is set to 1 and then causes branch
d) None of the mentioned
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9. The condition to check whether the branch should happen or not is given by ____________
a) The lower order 8 bits of the instruction
b) The higher order 4 bits of the instruction
c) The lower order 4 bits of the instruction
d) The higher order 8 bits of the instruction
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10. Which of the two instructions sets the condition flag upon execution?
i) ADDS R0,R1,R2
ii) ADD R0,R1,R2
a) i
b) ii
c) Both i and ii
d) Insufficient data
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11. __________ directive is used to indicate the beginning of the program instruction or data.
a) EQU
b) START
c) AREA
d) SPACE
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12. ___________ directive specifies the start of the execution.
a) START
b) ENTRY
c) MAIN
d) ORIGIN
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13. ___________ directives are used to initialize operands.
a) INT
b) DATAWORD
c) RESERVE
d) DCD
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14. ___________ directive is used to name the register used for execution of an instruction.
a) ASSIGN
b) RN
c) NAME
d) DECLARE
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15. The pseudo instruction used to load an address into the register is _________
a) LOAD
b) ADR
c) ASSIGN
d) PSLOAD
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Sanfoundry Global Education & Learning Series – Computer Organization and Architecture.

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