Operating Systems Quiz

Which is the function of an operating system?

• To store data permanently

• To provide internet connectivity

• To execute applications only

• To exploit hardware resources

Answer explanation

OS is a software layer that exploits hardware resources to provide servies for user; manage secondary memory and I/O devices

What does RAM stand for?

• Rapid Access Memory

• Real-time Access Memory

• Read Access Memory

• Random Access Memory

Answer explanation

RAM: Random Access Memory represents for main memory or primary memory, volatile storage if turn off the computer the data will disappear,.

What is a DSP specialized in?

• Managing memory operations

• Processing streaming signals

• Executing instructions

• Handling I/O operations

Answer explanation

DSP: Digital Signal Processor specialized streaming signal,

enconding decoding speechs and video(Codec)

provide encryption and security

What does SoC stand for in computing?

• Software on a Chip

• Standard on a Chip

• System on a Chip

• Signal on a Chip

Answer explanation

SoC: System on chip: combine processors, GPUs, DSPs, and other components to a single chip.

What is the purpose of the Program Counter (PC)?

• To track the next instruction to be fetched

• To store the current instruction

• To execute the current instruction

• To manage memory operations

What is the main benefit of using interrupts in a processor?

• To improve processor utilization

• To increase memory capacity

• To reduce power consumption

• To enhance graphics performance

Which is principle of locality?

• Lower cost per bit equals higher access speed

• All memory types have the same access speed

• Higher capacity equals faster access time

• Higher levels of memory have higher access percentages

Answer explanation

Principle of Locality: Memory references by processors tend to cluster

Higher level of memory, the higher of percentage of accessing

What does DMA stand for?

• Data Management Access

• Dynamic Memory Allocation

• Direct Module Access

• Direct Memory Access

What is the role of the Instruction Register (IR)?

• To track memory operations

• To execute the next instruction

• To store the current instruction

• To manage I/O devices

What is the main characteristic of Cache Memory?

• It is used for long-term storage

• It is volatile and permanent

• It is fast and small

• It is large and slow

Answer explanation

Cache Memory : small fast memory that exploits locality for performance