Basic Computer Concepts — Winter 2025

Define following terms: 1. Interrupt 2. DMA 3. BUS 4. BIOS 5. Firmware 6. OS 7. ROM

Explain Structure and Function of Computer with its all components.

Compare Bus Interconnection and Point-To-Point Interconnect n Computer.

State and prove commutative laws, associative laws and distributive law using logic gate and truth table.

What do you mean by Universal gate? Show that both NAND gate and NOR gate are universal gates.

Differentiate: 1. Computer Organization vs. Computer Architecture 2. RAM vs. Hard Disk 3. RAM vs. Cache Memory

Explain Instruction Cycle of a Computer system.

Comparison between RISC and CISC architecture.

What is Direct Memory Access (DMA)? Explain the Block Diagram for DMA.

What is Virtual Memory? Explain logical and physical memory in detail.

Explain Five –State Process Model with diagram.

List and Explain functions of Operating System as a “Resource Manager”.

Explain functions of linker, loader, interpreter and compiler.

Explain RAID levels in brief.

Define the terms: seek time, rotational delay, access time, and transfer time.

Discuss Direct and Associative mapping of a Cache.

Explain Cache memory principles with its elements.