CS junior

CS junior

12th Grade

51 Qs

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CS junior

Assessment

Quiz

Computers

12th Grade

Practice Problem

Medium

Created by

ruijia lin

Used 2+ times

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51 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In algorithmic terms, what does the "greedy" approach prioritize?

Global optimal solutions

Random choices

Local optimal choices

Iterative refinement

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the primary function of the CPU cache in a computer system?

Execute instructions

Store temporary data

Manage peripherals

Facilitate network communication

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the worst-case time complexity (big O notation) of the QuickSort algorithm?

O(n)

O(n log n)

O(n^2)

O(log n)

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the average-case time complexity (big O notation) of the QuickSort algorithm?

O(n)

O(n log n)

O(n^2)

O(log n)

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In computer architecture, what does the CPU clock frequency refer to?

Memory read speed

Instruction execution speed

Peripheral device connection speed

Data transfer speed

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Among the following, which data storage unit is the largest?

Kilobyte

Megabyte

Gigabyte

Terabyte

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What problem does Dijkstra's algorithm aim to solve?

Shortest path problem

Data compression

Image processing

Data encryption

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