91. Which type device is a piece of equipment that receives information from a CPU?
A. Input
B. Output
C. CPU
D. Memory
✅ The correct answer is option B.
Basics of Computer Science MCQs
Strengthen your fundamental knowledge with our Basics of Computer Science MCQs with answers and explanations. Our collection covers key topics such as computer fundamentals, hardware and software, operating systems, networking basics, databases, programming concepts, and internet technologies. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and IT job assessments. Practice online to improve your understanding, enhance problem-solving skills, and excel in exams with our updated Basics of Computer Science MCQs
92. Conversion of hexadecimal number 1D7F16 to a decimal number is
A. 755110
B. 877110
C. 555710
D. 778110
✅ The correct answer is option A.
93. The ALU and control unit of most of the microcomputers are combined and manufactured on a single silicon chip. What is it called?
A. Monochip
B. Microprocessor
C. ALU
D. Control Unit
✅ The correct answer is option B.
94. Methods used to organise and physically store disk data are cylinder and
A. Sector
B. Surface
C. Track
D. Hib
✅ The correct answer is option A.
95. A microprocessor integrates the arithmetic logic and control circuitry of a computer into one chip. The first microprocessor was built by a group of engineers at the Intel Corpn. Can you tell who headed this group?
A. Victor Poor
B. Stan Mazor
C. Marcian E. (Ted) Hoff
D. Seymour Cray
✅ The correct answer is option C.
96. Which command is used to set a name to a disk in DOS?
A. VOLUME
B. VOL
C. LABEL
D. DISKLABEL
✅ The correct answer is option C.
97. What is backup?
A. Adding more components to your network
B. Protecting data by copying it from the original source to a different destination
C. Filtering old data from the new data
D. Accessing data on tape
✅ The correct answer is option B.
98. Which of the following is not used as secondary storage
A. Semiconductor memory
B. Magnetic disks
C. Magnetic drums
D. Magnetic tapes
✅ The correct answer is option A.
99. Which output device is used for translating information from a computer into pictorial form on paper.
A. Mouse
B. Plotter
C. Touch panel
D. Card punch
✅ The correct answer is option B.
100. A generalised software package produced to meet the bugs of a variety of data processing users is known as
A. Utility programs
B. System software
C. Operating system
D. Application package
✅ The correct answer is option D.