A. NOR
B. NAND
C. OR
D. NOT
✅ The correct answer is option B.
Computer mcqs
Software programs that close potential security breaches in an operating system are known as:
A. Security breach fixes
B. Refresh patches
C. Security repairs
D. Security patches
✅ The correct answer is option D.
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.
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.
A collection of interrelated file in computer is a-
A. File manager
B. Field
C. Record
D. Database
✅ The correct answer is option D.
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.
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.
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.
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.
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.