A. Gigabyte (GB
B. Kilobyte (KB)
C. Megabyte (MB)
D. Terabyte (TB)
✅ The correct answer is option D.
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
862. When an input electrical signal A=10100 is applied to a NOT gate, its output signal is
A. 1011
B. 10001
C. 10101
D. 101
✅ The correct answer is option A.
863. First CAD system called AutoCAD for the PCs was announced in the year 1982. Can you tell who announced it?
A. Intel Corpn.
B. Rolta India Ltd.
C. Autodesk Inc
D. AT & T Corp.
✅ The correct answer is option C.
864. What technology of memory is Cache RAM usually?
A. DRAM
B. Flash
C. SRAM
D. EEPROM
✅ The correct answer is option C.
865. Which printer uses a combination of laser-beam & electro photographic techniques.
A. Laser printers
B. Dot-Matrix
C. Line printer
D. Daisy wheel
✅ The correct answer is option A.
866. What does DRAM stand for?
A. Data Random Access Memory
B. Data Random Active Memory
C. Dynamic Random Access Memory
D. Double Random Access Memory
✅ The correct answer is option C.
867. Which of the following processor is software that accepts user ideas, manipulates and reorganises them in user-specified ways and then produces a refined model of those thoughts.
A. Distribute
B. Out-line
C. Multi
D. On-line
✅ The correct answer is option B.
868. General purpose computers are those that can be adopted to countless uses simply by changing its
A. Output Device
B. Input Device
C. Program
D. Processor
✅ The correct answer is option C.
869. Which of the following memories contains a thin film of magnetic material sandwitched between two permanent bias magnets?
A. ROM
B. Magnetic disk
C. Core memory
D. Bubble memory
✅ The correct answer is option C.
870. Which storage device cannot be erased?
A. A floppy disk
B. Magnetic tape storage
C. A CD-ROM
D. All of the above
✅ The correct answer is option C.