CMSC 131 Exemption Exam(With complete solutions)
What does CPU stand for? correct answers Central Processing Unit
What is an I/O device correct answers Input/Output - Mouse, Keyboard
What does IDE stand for? correct answers Integrated Development Environment
What does the acronym CVS stand for? correct answers Concurrent Versioning System
Give some examples of hardware. correct answers Mouse, Keyboard, Monitor, Printer, USB, CD Drive, RAM, Hard Drive, Joystick, Scanner, DVD, CPU, Motherboard
Give some examples of software. correct answers Windows, Android, Drivers, C, C++, Java, Compiler, Applications
Is an operating system an example of hardware or software? correct answers Software
What is virtual memory? correct answers Virtual memory is a memory management capability of an operating system (OS) that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory (RAM) to disk storage
What is the difference between machine code and byte code? correct answers the machine code is a set of instructions in machine language or binary that can be directly executed by the CPU while the bytecode is an intermediate code generated from compiling a source code which can be executed by a virtual machine.
What is a bit? correct answers ~Binary Digit
~the smallest amount of digital storage
~a bit is bistable ; it has a value of either zero or one.
How many bits in a byte? correct answers 8 bits in a byte
How many bytes in a kilobyte? correct answers 1000-1024
If you had a 4-bit unsigned number, what is the smallest and largest value it could be used to represent? correct answers 0sub10 to 15sub10
Convert the base 10 number 78 into base 2 (binary). correct answers 1001110
Convert the binary (base 2) number 1011010 into base 10. correct answers 90
Is the following statement valid: int x = 34.7; correct answers NO -- you can't force Java to store a floating point value in an integer variable.
Is the following statement valid: double y = 12; correct answers Yes
What does CPU stand for? correct answers Central Processing Unit
What is an I/O device correct answers Input/Output - Mouse, Keyboard
What does IDE stand for? correct answers Integrated Development Environment
What does the acronym CVS stand for? correct answers Concurrent Versioning System
Give some examples of hardware. correct answers Mouse, Keyboard, Monitor, Printer, USB, CD Drive, RAM, Hard Drive, Joystick, Scanner, DVD, CPU, Motherboard
Give some examples of software. correct answers Windows, Android, Drivers, C, C++, Java, Compiler, Applications
Is an operating system an example of hardware or software? correct answers Software
What is virtual memory? correct answers Virtual memory is a memory management capability of an operating system (OS) that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory (RAM) to disk storage
What is the difference between machine code and byte code? correct answers the machine code is a set of instructions in machine language or binary that can be directly executed by the CPU while the bytecode is an intermediate code generated from compiling a source code which can be executed by a virtual machine.
What is a bit? correct answers ~Binary Digit
~the smallest amount of digital storage
~a bit is bistable ; it has a value of either zero or one.
How many bits in a byte? correct answers 8 bits in a byte
How many bytes in a kilobyte? correct answers 1000-1024
If you had a 4-bit unsigned number, what is the smallest and largest value it could be used to represent? correct answers 0sub10 to 15sub10
Convert the base 10 number 78 into base 2 (binary). correct answers 1001110
Convert the binary (base 2) number 1011010 into base 10. correct answers 90
Is the following statement valid: int x = 34.7; correct answers NO -- you can't force Java to store a floating point value in an integer variable.
Is the following statement valid: double y = 12; correct answers Yes
