A collection of eight bits is called
The CPU chip used in a computer is partially made out of:
What type of magnetic material is normally used in bubble memories?
General purpose computers are those that can be adopted to countless uses simply by changing its
Dot-matrix is a type of
Which kind of devices allows the user to add components and capabilities to a computer system?
The data appearing first in the left portion of punched card is
Which one of the following is termed a combination input-output device?
Those microcomputers which have the same operating characteristics as the IBM microcomputers are called IBM
Communication ports are found on the back of microcomputers. They are used to connect the computer to _____
A hashing scheme is used with
Most disk drives have a single read/ write head for each disk surface. What is the advantage of suing multiple heads on each movable access arm?
Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called
When a disk stack is serviced by a comb-like access mechanism, there is one read/write head for each
In which year were chips used inside the computer for the first time?
The invention of the slide rule is attributed to
An output device that uses words or messages recorded on a magnetic medium to produce audio response is
A factor which would strongly influence a businessperson to adopt a computer is its:
The first practical commercial typewriter was invented inin the United States by
What is meant by quad-density (QD) diskette?
The register which holds the address of the location to or from which data are to be transferred is known as
Which of the following are likely to jam the read/write head of a disk pack?
A byte is comprised of:
What is the name of the visible silver rectangle which separates the take-up portion of the magnetic tape from the data recording portion?
The process of writing computer instructions in a programming language is known as
Which is considered a direct entry input device?
In which year was UK's premier computing event called "The Which Computer" started?
The control unit of a microprocessor
The most common input device used today is
Large computer system typically uses:
First generation computers are characterised by
In simplex transmission
Impact printers
In comparison to the internal (main) memory, tape or disk memory is