671. A computer-controlled device for training exercises that duplicates the work environment is a:
A. simulator
B. duplicator
C. trainer
D. COM device
✅ The correct answer is option A.
Computer
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672. The first generation of computers available was based on the bit micro processors.
A. 4
B. 8
C. 16
D. 64
✅ The correct answer is option B.
673. A collection of interrelated file in computer is a-
A. File manager
B. Field
C. Record
D. Database
✅ The correct answer is option D.
674. A URL is:
A. A computer program
B. A type of web server
C. The address of a document or page on the world wide web
D. An acronym for unlimited resources for learning
✅ The correct answer is option C.
675. What is the storage capacity of a Hollerith card which is organized into nibbles?
A. 32
B. 64
C. 128
D. 240
✅ The correct answer is option D.
676. A logic gate is an electronic circuit which
A. makes logic decisions
B. allows electron flow only in one direction
C. works on binary algebra
D. alternates between 0 and 1 values
✅ The correct answer is option A.
677. An output device that uses words or messages recorded on a magnetic medium to produce audio response is
A. Magnetic tape
B. Voice response unit
C. Voice recognition unit
D. Voice band
✅ The correct answer is option B.
678. Communication that involves computers, establishing a link through the telephone system is called
A. Teleprocessing
B. Microprocessing
C. Telecommunications
D. All of the above
✅ The correct answer is option C.
679. A register in which of the following that holds the current instruction while it is being executed is called instruction register.
A. ALU
B. CPU
C. Memory
D. Address
✅ The correct answer is option B.
680. What type of magnetic material is normally used in bubble memories?
A. Magnetic core
B. Cobalt
C. Garnet
D. Metallic
✅ The correct answer is option C.