On an ARM$7$TDMI, in any given mode, how many registers

does a programmer see at one time?

a$.17$ for User mode, $21$ for remaining modes

b$.18$ for User mode, $20$ for remaining modes

c$.17$ for User mode, $18$ for remaining modes

d$.16$ for User mode, $17$ for remaining modes

$2.$ What will be the value of $R2$ after the execution of the following instruction if $R2=000200000,R3=002?$

LDR R$1,[$R$2$ LSL R$3]!$

a$.000200002$

b$.000200000$

c$.000400000$

d$.000800000$

$3.$ Which of the following statements is$/$are false with regards to cache?

a$.$ All of the mentioned

b$.$ cache is smaller in size than the main memory

c$.$ cache increases the performance of a memory system

d$.$ cache is slower than main memory

$4.$ARM$7$TDMI has

operating states.

a$.$ None of the mentioned

b$.$ ARM and THUMB

c$.$ Only ARM

d$.$ Only THUMB

$5.$What is microcontroller?

a$.$ It is a microprocessor on a single chip without memory and $\frac{\text{I}}{O}$ interfaces.

b$.$ It is a microprocessor along with memory and I$/$O interfaces on the same chip.

c$.$ It is micro$-$programmed controller's short form

d$.$ None of the mentioned

$6.$How many interrupt lines does the ARM$7$TDMI core have?

a$.2$

b$.4$

c$.3$

d$.5$

$7.$The BL instruction will store the return address in which of the following registers?

a$.$ Stack

b$.$ R$14$

c$.$ R$13$

d$.$ Memory pre$-$defined

$8.$Which of the following statement is false?

a$.$ DRAM is faster as compared to SRAM

b$.$ DRAM requires less power than SRAM

c$.$ All of the mentioned

d$.$ SRAM is faster as compared to DRAM

$9.$In the ARM Nomenclature ARMxTDMI, D and M stand for

a$.$ Debug, Modulation

b$.$ Debug and Multiplier

c$.$ Division and Multiplier

d$.$ Division and Modulation

$10.$ If an ARM$7$TDMI processor encounters an undefined instruction, from what address will it begin fetching instructions after it changes to Undefined mode?

a$.00000000C$

b$.000000008$

c$.000000004$

d$.000000000$

$11.$Indicate whether the following instruction use

addressing modes?

STR r$6,r4,$#$4$

a$.$ None of the mentioned

b$.$ immediate

c$.$ post$-$indexed

d$.$ pre$-$indexed

$12.$Which ARM$7$TDMI processor mode is unprivileged mode?

a$.$ User

b$.$ FIQ

c$.$ System

d$.$ IRQ

$13.$ Which of the following is illegal?

a$.$ ADDR$5,R16,R3$

b$.$ ADD R$1,$R$1,$R$2$

c$.$ None of the mentioned

d$.$ ADD R$8,$R$9,$#$0$x$1$F