400 Computer Awareness MCQ Set- 12
Q276. The unit of measurement of the output quality of a printer:
A. Dot per sq. inch
B. Characters per second
C. Pages per minute
D. Bits per second
Answer – A. Dot per sq. inch
Explanation-
Q277. The switching device of the fifth-generation computer is:
A. VLSI (Very Large Scale Integration)
B. GPU (Graphics Processing Unit)
C. CPU (Central Processing Unit)
D. ALU (Arithmetic Logic Unit)
Answer – A. VLSI (Very Large Scale Integration)
Explanation-
Q278. The unit KIPS is used to measure the speed of:
A. Processor
B. RAM (Random Access Memory)
C. Hard Drive
D. Internet Connection
Answer – A. Processor
Explanation-
Q279. DOS stands for:
A. Disk Operating System
B. Digital Operating System
C. Dual Operating System
D. Data Operating System
Answer – A. Disk Operating System
Explanation-
Q280. What is a joystick primarily used for in computers?
A. Computer Gaming
B. Cursor Movement
C. Text Editing
D. Audio Playback
Answer – A. Computer Gaming
Explanation-
Q281. Which American computer company is called Big Blue?
A. IBM (International Business Machines)
B. Apple Inc.
C. Microsoft Corporation
D. Dell Technologies
Answer – A. IBM (International Business Machines)
Explanation-
Q282. How many bits are there in a byte?
A. 4
B. 8
C. 16
D. 32
Answer – B. 8
Explanation-
Q283. Father of the ‘C’ programming language:
A. Dennis Ritchie
B. Linus Torvalds
C. Bjarne Stroustrup
D. Alan Turing
Answer – A. Dennis Ritchie
Explanation-
Q284. How many generations of computers do we have?
A. 3
B. 4
C. 5
D. 6
Answer – C. 5
Explanation-
Q285. IBM stands for:
A. International Business Machines
B. Intelligent Business Machines
C. Integrated Business Management
D. Informational Business Models
Answer – A. International Business Machines
Explanation-
Q286. Which is the fastest type of computer?
A. Supercomputer
B. Mainframe computer
C. Personal computer
D. Minicomputer
Answer – A. Supercomputer
Explanation-
Q287. When you turn on the computer, the boot routine will perform this test:
A. Power-on self-test
B. Memory test
C. Disk scan
D. Network connectivity test
Answer – A. Power-on self-test
Explanation-
Q288. Who is called the father of the computer?
A. Charles Babbage
B. Alan Turing
C. John von Neumann
D. Tim Berners-Lee
Answer – A. Charles Babbage
Explanation-
Q289. Who is the creator of PASCAL?
A. Niklaus Wirth
B. Ada Lovelace
C. Dennis Ritchie
D. Grace Hopper
Answer – A. Niklaus Wirth
Explanation-
Q290. Which language is used for artificial intelligence?
A. PROLOG
B. Java
C. Python
D. C++
Answer – A. PROLOG
Explanation-
Q291. Who is also known as the father of jQuery?
A. John Resig
B. Bill Gates
C. Mark Zuckerberg
D. Steve Jobs
Answer – A. John Resig
Explanation-
Q292. Which type of computer uses the 8-bit code called EBCDIC?
A. Mainframe Computers
B. Personal Computers
C. Supercomputers
D. Minicomputers
Answer – A. Mainframe Computers
Explanation-
Q293. In a computer, most processing takes place in:
A. CPU (Central Processing Unit)
B. RAM (Random Access Memory)
C. Hard Drive
D. GPU (Graphics Processing Unit)
Answer – A. CPU (Central Processing Unit)
Explanation-
Q294. In which type of computer, data are represented as discrete signals?
A. Analog Computer
B. Digital Computer
C. Hybrid Computer
D. Mainframe Computer
Answer – B. Digital Computer
Explanation-
Q295. Scientific Name of Computer?
A. Sillico sapiens
B. Technicus computus
C. Machina scientiae
D. Computus sapiens
Answer – A. Sillico sapiens
Explanation-
Q296. What is the name of the display feature that highlights an area of the screen which requires operator attention?
A. Reverse Video
B. Bold Text
C. Highlight Mode
D. Alert Mode
Answer – A. Reverse Video
Explanation-
Q297. Computers that combine both measuring and counting are called:
A. Analog Computers
B. Digital Computers
C. Hybrid Computers
D. Mainframe Computers
Answer – C. Hybrid Computers
Explanation-
Q298. What is FORTRAN?
A. Formula Translation
B. File Transfer
C. Foreign Transaction
D. Forward Transformation
Answer – A. Formula Translation
Explanation-
Q299. What translates and executes a program at runtime line by line?
A. Compiler
B. Interpreter
C. Assembler
D. Debugger
Answer – B. Interpreter
Explanation-
Q300. What converts an entire program into machine language?
A. Interpreter
B. Compiler
C. Assembler
D. Debugger
Answer – B. Compiler
Explanation-
