Top 1000+ Solved Important Computer MCQs For Competitive Exams part-1 MCQ Questions Answer
Q. The memory which is programmed at the time it is manufactured :
a. ROM
b. RAM
c. PROM
d. EPROM
e. None of these
Q. Which of the following memory medium is not used as main memory system?
a. Magnetic core
b. Semiconductor
c. Magnetic tape
d. Both a and b
e. None of these
Q. Registers, which are partially visible tousers and used to hold conditional, are known as :
a. PC
b. Memory address registers
c. General purpose register
d. Flags
e. None of these
Q. One of the main feature that distinguish microprocessors from micro-computers is :
a. Words are usually larger in microprocessors
b. Words are shorter in microprocessors
c. Microprocessor does not contain I/O devices
d. Exactly the same as the machine cycle time
e. None of these
Q. The least significant bit of the binary number, which is equivalent to any odd decimal number, is :
a. 0
b. 1
c. 1 or 0
d. 3
e. None of these
Q. What type of control pins are needed in amicroprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
a. Bus control
b. Interrupts
c. Bus arbitration
d. Status
e. None of these
Q. When was the world’s first laptop computerintroduced in the market and by whom?
a. Hewlett-Packard
b. Epson, 1981
c. Laplink traveling software In 1982
d. Tandy model-2000, 1985
e. None of these
Q. The first microprocessor built by the Intel Corporation was called :
a. 8008
b. 8080
c. 4004
d. 8800
e. None of these
Q. Who built the world’s first electronic calculator using telephone relays, light bulbs and batteries?
a. Claude Shannon
b. Konrard Zues
c. George Stibits
d. Howard H. Aiken
e. None of these
Q. IBM 7000 digital computer :
a. Belongs to second generation
b. Uses VLSI
c. Employs semi conductor memory
d. Has modular constructions
e. None of these
Q. ……….runs on computer hardware and serve as platform for other software to run on:
a. Operating system
b. Application software
c. System software
d. All of these
e. None of these
Q. Is the layer of a computer system between the hardware and the user program :
a. Operating environment
b. Operating system
c. System environment
d. All of these
e. None of these
Q. The primary purpose of an operating system is :
a. To make the most efficient use of the computer hardware
b. To allow people to use the computer
c. To keep systems programmers employed
d. To make computers easier to use
e. None of these
Q. ……….transforms one interface into another interface :
a. Program
b. Software
c. Data
d. All of these
e. None of these
Q. ………system is built directly on the hardware
a. Environment
b. System
c. Operating
d. All of these
e. None of these