Unit 1; PRACTICE QUESTIONS

Question 1

What does it mean to “boot” your computer?

Answer 1

Turn the system on and load the OS

Question 2

Is a digital camera an input or an output device?

Answer 2

Input device

Question 3

Does an iPhone contain a CPU

Answer 3

Yes.

Question 4

In general, to determine the fastest CPU?

Answer 4

Multiply the number of cores with the GHz speeds, deciding factor should there be a tie is the amount of cache memory there is.

Question 5

Can new data be added to the ROM?

Answer 5

No.

Question 6

When a computer’s main memory is full and more data needs to be used for running programs, what happens?

Answer 6

The hard drive is used to create “virtual memory” so that the programs can run.

Question 7

Where is the computer’s BIOS stored?

Answer 7

• The ROM

Question 8

What does BIOS stand for?

Answer 8

Basic Input/Output System.

Question 9

True or False: Increasing the size of Virtual Memory will improve system performance more than increasing the size of RAM

Answer 9

False

Question 10

Main memory is:
Storage is:

Answer 10

• Volatile
• Persistent

Question 11

What is a compressed image?

Answer 11

A process that has made the image’s file size smaller.

Question 12

Where did the word “bit” come from?

Answer 12

Binary digIT.

Question 13

How does binary work?

Answer 13

You can represent binary values by using ON and OFF voltage signals for each individual bit.

• Each character on a keyboard, for example, is represented with a binary digit. CAPS have a different binary value than lower-case letters. Punctuation symbols have their own characters.

Question 14

True of False: All CPU chips have the same instruction set.

Answer 14

False.

Question 15

True or False: When the internal clock speed is reduced, the CPU cools down and runs faster.

Answer 15

False.