CMSC 131 EXAM QUESTIONS WITH VERIFIED
ANSWERS
What does CPU stand for? - Answers - Central Processing Unit
What is an I/O device - Answers - Input/Output - Mouse, Keyboard
What does IDE stand for? - Answers - Integrated Development Environment
What does the acronym CVS stand for? - Answers - Concurrent Versioning System
Give some examples of hardware. - Answers - Mouse, Keyboard, Monitor, Printer, USB,
CD Drive, RAM, Hard Drive, Joystick, Scanner, DVD, CPU, Motherboard
Give some examples of software. - Answers - Windows, Android, Drivers, C, C++, Java,
Compiler, Applications
Is an operating system an example of hardware or software? - Answers - Software
What is virtual memory? - 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? - 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? - 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? - Answers - 8 bits in a byte
How many bytes in a kilobyte? - Answers - 1000-1024
If you had a 4-bit unsigned number, what is the smallest and largest value it could be
used to represent? - Answers - 0sub10 to 15sub10
Convert the base 10 number 78 into base 2 (binary). - Answers - 1001110
Convert the binary (base 2) number 1011010 into base 10. - Answers - 90
ANSWERS
What does CPU stand for? - Answers - Central Processing Unit
What is an I/O device - Answers - Input/Output - Mouse, Keyboard
What does IDE stand for? - Answers - Integrated Development Environment
What does the acronym CVS stand for? - Answers - Concurrent Versioning System
Give some examples of hardware. - Answers - Mouse, Keyboard, Monitor, Printer, USB,
CD Drive, RAM, Hard Drive, Joystick, Scanner, DVD, CPU, Motherboard
Give some examples of software. - Answers - Windows, Android, Drivers, C, C++, Java,
Compiler, Applications
Is an operating system an example of hardware or software? - Answers - Software
What is virtual memory? - 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? - 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? - 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? - Answers - 8 bits in a byte
How many bytes in a kilobyte? - Answers - 1000-1024
If you had a 4-bit unsigned number, what is the smallest and largest value it could be
used to represent? - Answers - 0sub10 to 15sub10
Convert the base 10 number 78 into base 2 (binary). - Answers - 1001110
Convert the binary (base 2) number 1011010 into base 10. - Answers - 90
