Computer Architecture Quiz 2

Which of the following PDP series computers is known for its use of 12-bit instructions and a single general-purpose register, the accumulator?

• A PDP-8

• PDP-10

• PDP-11

• PDP-6

In MASM32 which command is incorrect?

• ADD EAX, a

• ADD EAX, EBX

• ADD a, EAX

• ADD a, b

What is the primary function of the Arithmetic and Logic Unit (ALU) in a processor?

• Perform actual computations and data processing

• Control the movement of data and instructions

• Act as an interface to the system bus

• Manage the internal processor memory

The PC IR, MAR MBR registers belong to which of the following groups?

• Control and Status Registers

• User-Visible Registers

• General Registers

• Handle Registers

When considering the number of pipeline stages what trade-offs must be made in computer architecture?

• Trade-offs between potential speedup and increased cost and delays

• Trade-offs between software and hardware

• Trade-offs between speed and efficiency

• Trade-offs between branching and executing instructions with conditions

What does CISC stand for?

• Complex Instruction Set Computer

• Computer Instruction Set Complex

• Complex Instruction Summarize Computer

• Computer Instruction Summarize Complex

What is one of the advantages of using a register file in computer architecture?

• Reduction in memory accesses, saving time

• More efficient use of space due to dynamic adaptation

• Efficient handling of both local and global variables

• Easier management of cache residency

How does pipelining in a RISC architecture handle branch instruction?

• By using NOOP instructions inserted by the compiler or assembler

• By eliminating branch instructions from the instruction stream

• By executing branch instructions in a separate pipeline

• By delaying all instructions until branch instructions are executed

______ is (are) determined by the number of instructions that can be fetched and executed at the same time (the number of parallel pipelines) and by the speed and sophistication of the mechanisms that the processor uses to find independent instructions

• Instruction-level parallelism

• Machine parallelism

• Both instruction-level parallelism and machine parallelism

• None of the mentioned

Which is the correct choice for the description “A single machine instruction controls the simultaneous execution of a number of processing elements such as vector and array processors”?

• Single instruction, single data (SISD)

• Single instruction multiple data (SIMD)

• Multiple instruction, single data (MISD)

• Multiple instruction multiple data (MIMD)