1401. 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.
Computer
Prepare with the best Computer MCQs with answers and explanations for exams and job tests. Our question bank covers computer fundamentals, hardware, software, networking, operating systems, databases, programming, internet, and information technology. These Computer multiple-choice questions are helpful for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, IT certifications, and job interviews. Practice online to improve your knowledge and score higher with our updated and comprehensive Computer MCQs.
1402. 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.
1403. What technology of memory is Cache RAM usually?
A. DRAM
B. Flash
C. SRAM
D. EEPROM
✅ The correct answer is option C.
1404. 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.
1405. 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.
1406. 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.
1407. 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.
1408. 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.
1409. 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.
1410. Which of the following operating systems is produced by IBM?
A. OS-2
B. Windows
C. DOS
D. UNIX
✅ The correct answer is option A.