1. A software developer is the person with the training to design, create, and test computer programs.
ANS: T
2. A computer is a single device that performs different types of tasks for its users.
ANS: F
3. All programs are normally stored in ROM and are loaded into RAM as needed for processing.
ANS: F
4. The instruction set for a microprocessor is unique and is typically understood only by the microprocessors of the same brand.
ANS: T
5. The CPU understands instructions written in a binary machine language.
ANS: T
6. A bit that is turned off is represented by the value -1.
ANS: F
7. The main reason to use secondary storage is to hold data for long periods of time, even when the power supply to the computer is turned off.
ANS: T
8. RAM is a volatile memory used for temporary storage while a program is running.
ANS: T
9. The Python language uses a compiler which is a program that both translates and executes the instructions in a high-level language.
ANS: F
10. IDLE is an alternative method to using a text editor to write, execute, and test a Python program.
ANS: T
MULTIPLE CHOICE
1. Programs are commonly referred to as
a. | system software |
b. | software |
c. | application software |
d. | utility programs |
ANS: B
2. Which of the following is considered to be the world's first programmable electronic computer?
a. | IBM |
b. | Dell |
c. | ENIAC |
d. | Gateway |
ANS: C
3. Where does a computer store a program and the data that the program is working with while the program is running?
a. | in main memory |
b. | in the CPU |
c. | in secondary storage |
d. | in the microprocessor |
ANS: A
4. What type of volatile memory is usually used only for temporary storage while running a program?
ANS: C
5. Modern CPUs are much _______________ than the CPUs of early computers.
a. | larger and more powerful |
b. | smaller and more powerful |
c. | less powerful |
d. | slower |
ANS: B
6. Which computer language uses short words known as mnemonics for writing programs?
a. | Assembly |
b. | Java |
c. | Pascal |
d. | Visual Basic |
ANS: A
7. The process known as the __________ cycle is used by the CPU to execute instructions in a program.
a. | decode-fetch-execute |
b. | decode-execute-fetch |
c. | fetch-decode-execute |
d. | fetch-execute-decode |
ANS: C
8. Which language is referred to as a low-level language?
a. | C++ |
b. | Assembly language |
c. | Java |
d. | Python |
ANS: B
9. The following is an example of an instruction written in which computer language?
10110000
a. | Assembly language |
b. | Java |
c. | machine language |
d. | C# |
ANS: C
10. The encoding technique used to store negative numbers in the computer's memory is called
a. | Unicode |
b. | ASCII |
c. | floating-point notation |
d. | two's complement |
ANS: D
11. The __________ coding scheme contains a set of 128 numeric codes that are used to represent characters in the computer's memory.
a. | Unicode |
b. | ASCII |
c. | ENIAC |
d. | two's complement |
ANS: B
12. The smallest storage location in a computer's memory is known as a
a. | byte |
b. | ketter |
c. | switch |
d. | bit |
ANS: D
13. What is the largest value that can be stored in one byte?
ANS: A
14. The disk drive is a secondary storage device that stores data by __________ encoding it onto a spinning circular disk.
a. | electrically |
b. | magnetically |
c. | digitally |
d. | optically |
ANS: B
15. A __________ has no moving parts and operates faster than a traditional disk drive.
a. | DVD drive |
b. | solid state drive |
c. | jumper drive |
d. | hyper drive |
ANS: B
16. Which of the following is not a major component of a typical computer system?
a. | the CPU |
b. | main memory |
c. | the operating system |
d. | secondary storage devices |
ANS: C
17. Which type of error prevents the program from running?
a. | syntax |
b. | human |
c. | grammatical |
d. | logical |
ANS: A
18. What is the decimal value of the following binary number?
10011101
ANS: C
MULTIPLE RESPONSE
1. Select all that apply. To create a Python program you can use
a. | a text editor |
b. | a word processor if you save your file as a .docx |
c. | IDLE |
d. | Excel |
ANS: A, C
COMPLETION
1. A(n) ___________ is a set of instructions that a computer follows to perform a task.
ANS: program
2. The term ___________ refers to all the physical devices that make up a computer.
ANS: hardware
3. The __________ is the part of the computer that actually runs programs and is the most important component in a computer.
ANS: central processing unit, CPU
4. A disk drive stores data by __________ encoding it onto a circular disk.
ANS: magnetically
5. __________ are small central processing unit chips.
ANS: Microprocessors
6. __________ is a type of memory that can hold data for long periods of time, even when there is no power to the computer.
ANS: Secondary storage
7. Main memory is commonly known as __________.
ANS: random-access memory, RAM
8. USB drives store data using __________ memory.
ANS: flash
9. The Python __________ is a program that can read Python programming statements and execute them.
ANS: interpreter
10. In __________ mode, the interpreter reads the contents of a file that contains Python statements and executes each statement.
