MISM5306 W1 Chapter 2 Quiz

True/False

An object code must be translated into source code for a computer to read and execute it.

1. True
2. False

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Rationale:

Correct

A source code must be translated into object code, consisting of binary 0s and 1s, which can be understood by a computer. Binary code-a set of instructions used to control the computer-uses 0s and 1s, which the computer understands as on or off signals. See 2-1: Defining a Computer.

Question 2

2

Multiple Choice

In the context of storage measurements, a _____ is the size of a character.

1. Option A

   ---

   decibel
2. Option B

   ---

   node
3. Option C

   ---

   byte
4. Option D

   ---

   nibble

Feedback

Rationale:

Correct. A byte is the size of a character. For example, the word computer consists of 8 characters or 8 bytes (64 bits). See 2-3: The Power of Computers

Question 3

3

Multiple Choice

Identify an advantage of a mouse over a trackball.

1. Option A

   ---

   A mouse occupies less space than a trackball.
2. Option B

   ---

   A mouse is more precise in positioning the pointer than a trackball.
3. Option C

   ---

   A mouse is stationary, whereas a trackball has to be moved around.
4. Option D

   ---

   A mouse processes more information than a trackball.

Feedback

Rationale:

Correct. The mouse is a pointing device that moves the cursor on the screen, allowing fast, precise cursor positioning. Trackballs occupy less space than a mouse, so they are ideal for notebook computers. However, positioning with a trackball is sometimes less precise than with a mouse. See 2-5: Input, Output, and Memory Devices

Question 4

4

Multiple Choice

Obtaining the data of a video file from a flash drive is an example of a(n) _________ operation.

1. Option A

   ---

   comparison
2. Option B

   ---

   exponentiation
3. Option C

   ---

   storage
4. Option D

   ---

   retrieval

Feedback

Rationale:

Correct.

Computers can perform three basic tasks: arithmetic operations, logical operations, and storage and retrieval operations.

During a game, your computer may perform calculations in order to make a decision (such as whether to move from point A to point B), it may compare two numbers, and it may perform storage and retrieval functions for going forward with the process.See 2-4 Computer Operations.

Question 5

5

Multiple Choice

Identify the type of computers that has the highest price.

1. Option A

   ---

   Subnotebooks
2. Option B

   ---

   Notebooks
3. Option C

   ---

   Supercomputers
4. Option D

   ---

   Personal computers

Feedback

Rationale:

Correct. Supercomputers are the most powerful; they also have the highest storage capabilities and the highest price. Supercomputers are more expensive, much bigger, faster, and have more memory than personal computers, minicomputers, and mainframes. See 2-6: Classes of Computers

Question 6

6

Multiple Choice

_____ is an example of a secondary memory device.

1. Option A

   ---

   Random access memory
2. Option B

   ---

   An optical disc
3. Option C

   ---

   An inkjet printer
4. Option D

   ---

   Read-only memory

Feedback

Rationale:

Correct. An optical disc is an example of a secondary memory device. Secondary memory devices can hold data when the computer is off or during the course of a program’s operation. See 2-5: Input, Output, and Memory Devices

Question 7

7

Multiple Choice

Which of the following is considered a basic task in the context of computer operations?

1. Option A

   ---

   Natural language processing
2. Option B

   ---

   Word processing
3. Option C

   ---

   Connecting to the Internet
4. Option D

   ---

   Logical operations

Feedback

Rationale:

Correct. Computers can perform three basic tasks: arithmetic operations, logical operations, and storage and retrieval operations. All other tasks are performed using one or a combination of these operations.

See 2-4 Computer Operations.

Question 8

8

Multiple Choice

Every character, number, or symbol on the keyboard is represented as a(n) _____ in computer memory.

1. Option A

   ---

   octal number
2. Option B

   ---

   binary number
3. Option C

   ---

   decimal number
4. Option D

   ---

   hexadecimal number

Feedback

Rationale:

Correct. Every character, number, or symbol on the keyboard is represented as a binary number in computer memory. A binary system consists of 0s and 1s, with a 1 representing “on” and a 0 representing “off,” similar to a light switch. See 2-3: The Power of Computers

Question 9

9

Multiple Choice

Which is true of magnetic tape?

1. Option A

   ---

   It resembles compact discs.
2. Option B

   ---

   It is made of metal.
3. Option C

   ---

   It is a main memory device.
4. Option D

   ---

   It stores data sequentially.

Feedback

Rationale:

Correct. Magnetic tape, made of a plastic material, resembles a cassette tape and stores data sequentially. Records can be stored in a block or separately, with a gap between each record or block, called the interrecord gap (IRG). See 2-5: Input, Output, and Memory Devices

Question 10

10

Multiple Choice

A(n) _____ is an input device.

1. Option A

   ---

   inkjet printer
2. Option B

   ---

   plasma display
3. Option C

   ---

   data tablet
4. Option D

   ---

   laser printer

Feedback

Rationale:

Correct. A data tablet is an input device. Data tablets are used most widely in computer-aided design and manufacturing applications. See 2-5: Input, Output, and Memory Devices

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