EN0-001 Practice Exam Questions and Answers

A.  

Functions that are not compliant with the ISO C library standard

B.  

Functions that are not compliant with the 1985 IEEE 754 standard for binary floating-point arithmetic

C.  

Target-dependent functions which use semihosting

D.  

Functions called implicitly by the compiler

A.  

Memory read instructions, and memory write instructions

B.  

Architecturally executed instructions, and instruction fetches causing a cache line refill

C.  

Memory access instructions causing a cache line refill, and memory read and write operations causing a cache access

D.  

Memory read or write operations causing a cache access, and architecturally executed instructions

A.  

On the stack

B.  

In registers s0-s3

C.  

In registers d0-d3

D.  

In registers r0-r3

A.  

None

B.  

Always one

C.  

Always three

D.  

One or more depending on optimization level

A.  

Bits[31:16] are duplicated with bits[15:0]

B.  

The PC value is stored in bits[31:1] and bit[0] is treated as zero

C.  

The PC value is stored in bits[31:16] and bits[15:0] are undefined

D.  

The PC value is stored in bits[15:0] and bits[31:16] are undefined

A.  

All processors have the same view of memory

B.  

An even number of processors is included

C.  

All processors run in the same power state

D.  

All processors switch between operating system tasks in lock-step

A.  

Cortex-A5

B.  

Cortex-A8

C.  

Cortex-A9

D.  

Cortex-A15

A.  

0xFFFFFFFF

B.  

0xFFFFFFF0

C.  

0xFFFF0000

D.  

0x0000FFFF

A.  

Influenced by breakpoints.

B.  

Intrusive on normal processor operation.

C.  

Inaccurate regarding code execution history.

D.  

Not intrusive on normal processor operation.

A.  

PC interface hardware for configuring a boot monitor

B.  

Hardware specific source code needed for operating system support

C.  

A working port of Linux for a specific hardware platform

D.  

Debugging hardware and software supplied with a development board