Digital electronics
A "byte" is a combination of ____ bits.
8
____ is used with the microprocessor to help compensated for the diff. in operating speeds b/w the processor and the main memory access time.
Cache memory
__ invented a loom that used digital techniques and punched cards to weave patterns in the cloth.
Joseph Jacquard
A(n) ____ is a binary value of either 0 or 1.
bit
The integrated circuit (IC) was developed in early ___ and led idrectly to the development of the first microprocessor.
1960s
The personal computer (PC) was introduced in the early__?
1980s
Early disk operating systems (DOS) by microsoft limited the main memory of a computer to ___ kilobytes.
640
A graph showing continuous values over time is a ____ representaion.
Analog
Hard and floppy disks are referred to as ___ memory.
Auxiliary
The ___ of a computer is contained in Read Only Memory and cannot be modified by the operator.
BIOS
The first adding machine was invented by __in the seventeenth century
Blaise Pascal
When the processor and the control units of a computer are combined into a single unit, the unit is known as the ___.
CPU - central processing unit
Many of the principles used in the modern computer can be traced to __ who developed the idea of a mechanical digital computer in the 1830's.
Charles Babbage
The __ was the first electronic digital computer, it was developed at the university of Pennsylvania in 1946.
ENIAC
____ book. The laws of thought, was the first systematic treatment applying a mathematical method to logical thinking.
George Boole's
Who developed the first digital computer to use both electrical and mechanical devices?
Howard Aiken b
Which device DOES NOT receive info from a computer?
Mouse
Which is NOT a device that sends input data to a computer?
Printer
The system that allows data to be entered and allows the computer to communicate with the outside world (BIOS) is contained in __?
ROM
A computer has the program and data entered prior to the calculation. Once the calculation begins, no further human intervention is necessary. The calculator requires human intervention during the calculation process.
True
The acronym TTL stands for Transistor - Transistor- Logic.
True
The term "random access" means that all of the storage locations are equally accessible and sequential access is not required.
True
The two categories of the study of electronics are digital and analog.
True
With the intro of TTL, design using math techniques was replacedby the concept of redundancy .
True
One of the first commercially available computers was the __ which was introduced in 1951
UNIVAC I
Who designed and built the first analog computer?
Vannevar Bush
____ is a method of using auxiliary memory to increase the main memory.
Virtual memory
The term ___ is derived from humans using their fingers to count
digit
A graph showing the values at discreet time intervals is a(n) ___ representaion.
digital
the block diagram is a representation of a ___?
digital computer
Why should info stored on the hard disk of a computer be backed up?
eventually the hard disk will fail
Which is an advantage of using the transistor developed by brattain, bardeen, and shockley for use in computers as a replacement for the vacuum tube?
it resulted in machines that had increased reliability, were faster, were more efficient, and were smaller in size.
The intro of the TTL revolutionized the computer industry due to the ___ of the chip.
low cost
Very large scale integration (VLSI) techniques make it possible for several __ transistors to be packaged in a single chip.
million
Which math function can't be performed on the ancient abacus
performance of cosine and tangent functions
The __ was developed at bell labs in 1947 and was used as a replacement for the vacuum tube in the computer.
transistor
Early electronic computers used __. These devices created heat and caused frequent circuit failures.
vacuum tubes
