CSC test 1 Questions and Answers
Bit
binary digit
Boolean Operation
An operation that manipulates one or more true/false values
0:10
/
0:15
Gate
A device that computes a Boolean operation
Flip-flop
A circuit built from gates that can store one bit.
Hexadecimal ...
CSC test 1 Questions and Answers
Bit - answer binary digit
Boolean Operation - answer An operation that manipulates one or more true/false
values
Gate - answer A device that computes a Boolean operation
Flip-flop - answer A circuit built from gates that can store one bit.
Hexadecimal notation - answer A numbering system with a base value of 16; uses
digits from 0 to 9 and letters from A to F, which represent the decimal values 10 to 15.
Divides a pattern into groups of four bits.
• Cell - answer A unit of main memory (typically 8 bits which is one byte)
Most significant bit - answer the bit at the left (highorder) end of the conceptual row
of bits in a memory cell
- Least significant bit - answer the bit at the right (loworder) end of the conceptual
row of bits in a memory cell
Address - answer A "name" that uniquely identifies one cell in the computer's main
memory
Random Access Memory (RAM) - answer Memory in which individual cells can be
easily accessed in any order
Dynamic Memory (DRAM) - answer RAM composed of volatile memory
concentric circles on a disk - answer track
Preparing a disk for use by magnetically marking the disk - answer formatting
A set of concentric circles on different surfaces - answer cylinder
Pie shaped sections or arcs on the cirlces - answer sector
File - answer A unit of data stored in mass storage system
Buffer - answer A memory area used for the temporary storage of data (usually as a
step in transferring the data)
, How does ASCII represent symbols - answer Uses patterns of 7-bits to represent
most symbols used in written English text
SO developed a number of 8 bit extensions to ASCII, each designed to accommodate a
major language group - answer ...
How does Unicode represent symbols - answer Uses patterns of 16-bits to represent
the major symbols used in languages world wide
Binary notation - answer Uses bits to represent a number in base two
Overflow - answer error that results when the number of bits is not enough to hold
the number, like a car's odometer "rolling over"
Truncation - answer occurs when a value cannot be represented accurately
Look at pics of long divisions - answer ...
Two's complement notation - answer The most popular means of representing
integer values
Floating-point Notation - answer A real number represented by a sign, some
significant digits (the mantissa) and a power of 2 (the exponent).
Difference between lossy and lossless - answer Lossless- no data lost
Lossy- some data may be lost
Run Length Encoding - answer replacing a long series of a repeated character with a
count of the repetition
CPU - answer Central Processing Unit; the brain of the computer.
Bus - answer The paths, or lines, on the motherboard on which data, instructions,
and electrical power move from component to component.
Motherboard - answer A circuit board that contains all of the computer system's main
components.
Machine instruction - answer An instruction (or command) encoded as a bit pattern
recognizable by the CPU
Machine language - answer The set of all instructions recognized by a machine
What does RISC stand for? - answer Reduced Instruction Set Computing
What does CISC stand for? - answer Complex Instruction Set Computing
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