AP Comp Sci Final Review Quiz #1

Define the term 'random access memory'.

• A computer’s short-term memory that requires electricity to retain information (RAM).

• A type of permanent storage used for long-term data retention.

• A device used to input data into a computer system.

• A software application used to manage computer resources.

True or False: RAM is used to load and execute applications, like your email, and to respond to commands such as print.

• True

• False

DRAM is made up of what components?

• Capacitors and transistors

• Resistors and diodes

• Inductors and transformers

• Microprocessors and controllers

What is a 'solid-state drive'?

• Internal secondary storage using chips and no moving parts (SDD)

• Internal secondary storage with a moving magnetic disk (HDD)

• Information that persists even when the computer is turned off

• Component that holds the data being used at any one moment

What is the main difference between a hard disk drive (HDD) and a solid-state drive (SSD)?

• HDDs have moving parts, SSDs do not.

• SSDs have moving parts, HDDs do not.

• Both have moving parts.

• Neither have moving parts.

Fill in the blank: The central processing unit is known as the ______ of the computer (CPU).

• brain

• heart

• engine

• memory

Fill in the blank: To interleave means to alternate between two different ______.

• processes

• colors

• shapes

• sounds

Fill in the blank: A process is an activity performed by the central processing unit that converts input into ______.

• output

• data

• instructions

• commands

Fill in the blank: In concurrent processing, threads can communicate via shared memory, whereby they synchronize with each other as both are changing stored values in the memory they ______.

• share

• own

• control

• access

Concurrent processing involves:

• Executing multiple processes simultaneously

• Executing a single process in a sequential manner

• Executing processes one after another without overlap

• Executing processes with a delay between them