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Problem Solving And Program Design
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Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
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study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A silicon chip containing the circuitry for a computer processor
Main memory
Computer chip
Central processing unit
Top-down design
2. Machine-independent programming language that combines algebraic expressions and English symbols
High-level language
Software
GB (Gigabyte)
Personal computers
3. The information stored in a memory cell which is either a program instruction or data
Contents of a memory cell
Top-down design
TB (Terabyte)
Test and verify the completed program
4. Binary number codes understood by a specific CPU
Main memory
Data type int
Register
Machine language
5. Very powerful and reliable computers (used by large real-time transaction processing systems such as ATMs and other banking networks
Data storage
Operating system
Implement the algorithm
Mainframes
6. Mnemonic codes that correspond to machine language instructions
Assembly language
Analyze the problem
Implement the algorithm
Software
7. The file containing a program written in a high-level language; the input for a compiler
Source file
Top-down design
Computer chip
Algorithm
8. The file containing a program written in a high-level language; the input for a compiler
Test and verify the completed program
TB (Terabyte)
Modem (modulator/demodulator)
Source file
9. Stores programs and data and results. Two types.
Wide area network (WAN)
Main memory
Abstraction
Top-down design
10. Device that uses a laser to access or store data on a CD or DVD
World wide web (WWW)
Top-down design
Optical drive
Compiler
11. A machine that can receive and store and transform and output data of all kinds
Preprocessor
Computers
Top-down design
Machine language
12. A word having special meaning but one that a programmer may redefine (but redefinition is not recommended!)
Standard identifiers
Specify the problem requirements
Read-Only Memory (ROM)
Contents of a memory cell
13. High-speed memory location inside the CPU
Random Acces Memory (RAM)
Machine language
Computer chip
Register
14. The set of programs associated with a computer
Linker
Integrated development environment (IDE)
Supercomputers
Software
15. Coordinates all computer operations and performs arithmetic and logical operations on data
Central processing unit
Data storage
File server
Supercomputers
16. Device that plugs into USB port and stores data bits as trapped electrons
Flash drive
C Language
Top-down design
TB (Terabyte)
17. Units such as disks or flash drives that retain data even when the power to the drive is off
Register
Secondary storage
High-level language
Supercomputers
18. Pictures and menus displayed to allow user to select commands and data
Object file
Graphical user interface
Random Acces Memory (RAM)
Preprocessor
19. The file of machine language instructions that is the output of a compiler
bit
Object file
Compiler
Abstraction
20. A system program that modifies a C program prior to its compilation
Assembly language
Preprocessor
Software
File
21. Copying the contents of a particular memory cell to another storage area
Assembly language
B (Byte)
Data retrieval
Memory cell
22. Computers and printers and scanners and storage devices connected by cables for intercommunication
Assembly language
KB (Kilobyte)
Modem (modulator/demodulator)
Local area network (LAN)
23. The amount of storage required to store a single character
Data type double
byte
Test and verify the completed program
High-level language
24. Step #4 in the software development method
MG (Megabyte)
B (Byte)
Implement the algorithm
Hardware
25. Program lines that are converted to machine language instructions and executed by the computer
TB (Terabyte)
Software
Executable statements
World wide web (WWW)
26. The computer in a network that controls access to a secondary storage device such as a hard disk
Secondary storage
Local area network (LAN)
Object file
File server
27. Stores programs or data permanently
Read-Only Memory (ROM)
B (Byte)
Main memory
High-level language
28. Also called divide and conquer - break down a problem into its major subproblems and then solve the sub problems
Integrated development environment (IDE)
USB
Top-down design
Modem (modulator/demodulator)
29. Setting the individual bits of a memory cell to 0 or 1 and destroying its previous contents
Memory cell
Data storage
Local area network (LAN)
Linker
30. Software that controls interaction of user and computer hardware and that manages allocation of computer resources
Computers
Operating system
Algorithm
C Language
31. An instruction that stores a value or a computational result in a variable
Assignment statement
Main memory
High-level language
Personal computers
32. A network such as the Internet that connects computers and LANs over a large geographic area
File
Wide area network (WAN)
Specify the problem requirements
Memory cell
33. The process of modeling a problem by extracting the essential variables and their relationships
Executable statements
Abstraction
Secondary storage
Implement the algorithm
34. sequences of 0s and 1s
Data retrieval
Binary numbers
Data storage
Graphical user interface
35. A list of steps for solving a problem
Hardware
Algorithm
Design the algorithm to solve the problem
Main memory
36. Named collection of data stored on a disk
KB (Kilobyte)
Data type int
World wide web (WWW)
File
37. Used to represent real numbers (including decimal points) in C
Algorithm
Data type double
Random Acces Memory (RAM)
Specify the problem requirements
38. A binary digit; a 0 or a 1 (deriving from the words binary digit)
Abstraction
TB (Terabyte)
Secondary storage
bit
39. The step-by-step simulation of the computer execution of an algorithm
Supercomputers
Maintain and update the program
Desk checking
Memory cell
40. Very powerful and reliable computers (used by large real-time transaction processing systems such as ATMs and other banking networks
Algorithm
High-level language
B (Byte)
Mainframes
41. A list of steps for solving a problem
Top-down design
Algorithm
File
Flash drive
42. Device that uses a laser to access or store data on a CD or DVD
Algorithm
Assembly language
Optical drive
Linker
43. An individual storage location in memory
Modem (modulator/demodulator)
Hardware
Memory cell
MG (Megabyte)
44. Device that plugs into USB port and stores data bits as trapped electrons
World wide web (WWW)
Flash drive
byte
Central processing unit
45. A list of steps for solving a problem
TB (Terabyte)
Wide area network (WAN)
Test and verify the completed program
Algorithm
46. A device that converst binary data into audio signals that can be transmitted between computer over telephone lines
Algorithm
Maintain and update the program
Modem (modulator/demodulator)
High-level language
47. The amount of storage required to store a single character
bit
World wide web (WWW)
Secondary storage
byte
48. 1099511627776 (2^40) bytes
Hardware
Microprocessor chip
Desk checking
TB (Terabyte)
49. The relative position of a memory cell in the computer's main memory
Optical drive
Address of a memory cell
Personal computers
Optical drive
50. Setting the individual bits of a memory cell to 0 or 1 and destroying its previous contents
Data type double
Random Acces Memory (RAM)
Data storage
Memory cell
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