(a) Match each of the following computing devices. COMPUTER DEVICES USES EDVAC Electronic general-purpose computer...

COMPUTER
WAEC 2017

(a) Match each of the following computing devices.

COMPUTER DEVICES

USES

EDVAC

Electronic general-purpose computer programmed to perform complex sequences of operation.

ENIAC

Electronic digital stored-program computer intended for the bureau of census and later for presidential election.

UNIVAC

Electronic computer, binary in nature with automatic addition, subtraction multiplication and programmed division.

Explanation

COMPUTER DEVICES

USES

ENIAC

Electronic general-purpose computer programmed to perform complex sequences of operation.

UNIVAC

Electronic digital stored-program computer intended for the bureau of census and later for presidential election.

EDVAC

Electronic computer, binary in nature with automatic addition, subtraction multiplication and programmed division.

(b)

(i) Types of Registers in the Control Unit - Memory Data Register (MDR) Current Instruction Register (CIR) -Sequence Control Register (SCR)

(ii) Types of Registers in the Microprocessor. -Temporary register - Permanent register - Program counter register - Address register - Instruction register -Index register - Stack Pointer Register (SPR) Condition code register - Accumulator register - Interrupt control register - Flag register.



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