MCQ in Computer Fundamentals Part 9 | ECE Board Exam

This is the Multiples Choice Questions Part 9 of the Series in Computer Fundamentals as one of the Electronics Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Exam Questions in Electronics Engineering field, Electronics Books, Journals and other Electronics References.

MCQ Topic Outline included in ECE Board Exam Syllabi

• MCQ in analog and Digital System
• MCQ in Binary Number System
• MCQ in Boolean Algebra
• MCQ in Mathematical Logic and Switching Networks
• MCQ in Basic digital Circuits (logic gates, flip-flops, multivibrators, etc)
• MCQ in Static and dynamic Memory Devices
• MCQ in Programming and Machine Languages
• MCQ in Information and Acquisition Processing
• MCQ in Analog / Digital Conversion
• MCQ in Computer Networking

Continue Practice Exam Test Questions Part 9 of the Series

⇐ MCQ in Computer Fundamentals Part 8 | ECE Board Exam

Choose the letter of the best answer in each questions.

401. Group of flip-flops used to store more bits.

A. Register

B. ROM

C. PROM

D. All of the above

402. Sequential access digital memory uses what storage circuit?

A. Parallel register

B. Shift register

C. Dynamic RAM

D. EEPROM

403. Memory whose contents are lost when, electrical power is removed.

A. Nonvolatile

B. Temporary

C. Dynamic

D. Volatile

404. One of the following can program PROMs.

A. Biasing bipolar transistor

B. Blowing fuse

C. Effusing input

D. Charging a gate

405. Type of memory wherein the data are permanently stored. Usually the storing of data is done during manufacturing of the component.

A. ROM

B. PROM

C. EPROM

D. EEPROM

406. A semiconductor memory device in which data can be stored after fabrications.

A. PROM

B. EPROM

C. EEPROM

D. All of the above

407. A type of ROM that allows data to be written into the device by a programmer. After it has been programmed it cannot be reprogrammed again.

A. PROM

B. EPROM

C. EEPROM

D. A and B above

408. What memory device that can be programmed, and reprogrammed after the old programs are erased usually by an ultraviolet light?

A. EEPROM

B. EPROM

C. RPROM

D. B and C

409. A variation of PROM, wherein its stored data can be erased by electrical signal instead of ultraviolet light.

A. EEPROM

B. Dynamic ROM

C. RAM

D. EEPROM and dynamic RAM

410. A nonvolatile memory

A. ROM

B. PROM and RPROM

C. EPROM and EEPROM

D. All are correct

411. What is the time interval to undertake a refresh operation in a typical dynamic RAM?

A. 2 ms

B. 200 ms

C. 50 microsec.

D. 22 microsec.

412. Semiconductor-based, volatile data storage device that can be written and read randomly.

A. RAM

B. PROM

C. EPROM

D. EEPROM

413. Random access memory that needs recharging of capacitors.

A. SRAM

B. DRAM

C. Dynamic storage

D. A and B

414. Dynamic RAM (DRAM) uses capacitor as its data storage element, while static RAM (SRAM) uses what?

A. Inductor

B. Magnet

C. Register

D. Flip-flop

415. Type of memory that is formed by a series of magnetic bubbles at the substrate.

A. Magnetic disk

B. Bubble sort

C. Bubble chart

D. Bubble memory

416. Non-semiconductor digital memory device.

A. Magnetic core

B. Magnetic domain

C. Saturable core

D. Ferromagnetic domain

417. A hardware used to program a PROM.

A. Microcomputer

B. Data loader

C. Encoder

D. PROM programmer

418. Computer hardware device constructed to perform shifting of its contained data.

A. Parallel register

B. Serial to parallel register

C. Shift register

D. ALU

419. Register wherein data can be serially inputted, while the output can be retrieved in parallel manner.

A. Serial to parallel register

B. Parallel storage

C. Parallel to serial register

D. Serial register

420. Digital device similar to that of a ROM and whose internal connections of logic arrays can be programmed by passing high current through fusible links.

A. PLA

B. PAL

C. APL

D. A and B

421. What is the difference between a read only memory (ROM) and a programmable logic array (PLA)?

A. All input combinations of a ROM produce an output, while in a PLA, some input combinations do not affect the output.

B. Only the OR-functions in a ROM are programmable, whereas in a PLA, both OR and AND-functions are programmable.

C. In ROM, all the possible states must be programmed, while not all for a PLA.

D. All of the above

422. The difference between a programmable logic array (PLA) and a programmable array logic (PAL) is that,

A. With PLA, only OR-gates are programmable, whereas both OR and AND gates are programmable in PAL

B. With PLA, both OR and AND-gates are programmable, while in PAL only OR gate is programmable

C. With PLA, both OR and AND-gates are programmable, while in PAL, only AND gate is programmable

D. Only AND-gate is programmable with PLA, whereas both OR and AND-gates are programmable for PAL

423. A circuit used for selecting a single output from multiple inputs.

A. Universal logic module (ULM)

B. Demultiplexer

C. Tri-state

D. Logic array

424. Another name for universal logic module (ULM)

A. Multiplexer

B. Decoder

C. Coder

D. Shift register

425. A device/circuit used to separate two or more signals from one line.

A. Decoder

B. Demodulation

C. Demodifier

D. Demultiplexer

426. An electronic counter in which bistable units are cascaded to form a loop.

A. Ring counter

B. Twisted ring counter

C. UP/DOWN counter

D. Bistable counter

427. What is formed when the complemented output of the last stage of a shift register is fed back to the input of the first stage?

A. Ring counter

B. Twisted ring counter

C. Decade counter

D. UP/DOWN counter

428. A digital circuit that produces logic 1 output pulse for every 10 input pulses.

A. Decade scaler

B. Divider

C. Chopper

D. Multiplexer

429. Binary codes are converted into ASCII by what circuit?

A. Decoder

B. Demultiplexer

C. Degenerator

D. Code converter

430. The technical term used when signals are converted from analog-to-digital.

A. Digitize

B. Quantize

C. Coded

D. All of the above

431. ________________ is a sequence of instructions that tells the computer machine on how available data shall be processed.

A. Program

B. RAM

C. Command

D. Flowchart

432. Diagram showing procedures that are followed, and actions taken is called

A. Functional block diagram

B. Circuit diagram

C. Flow chart

D. Schematic diagram

433. What is the medium of communication with a computer where programs are written in mnemonics?

A. Assembly language

B. High level language

C. Machine language

D. Low-level language

434. A _________ a program which converts instruction written in a source language into machine code, which can be read and acted upon by the computer.

A. Source code

B. Assembler

C. Application software

D. Compiler

435. A detailed step by step set of direction telling a computer exactly how to proceed to solve a specific problem or process as specific task.

A. Sequence

B. Flow chart

C. Computer program

D. Process

436. What is a program that translated English-like word of high-level language into the

machine language of a computer?

A. Compiler

B. Assembler

C. Monitor program

D. Interpreter

437. ___________ is a software that converts a high level language program into machine or assembly language program.

A. ALU

B. Cross-assembler

C. Compiler

D. CPU

438. The purpose of the fetch cycle in a computer is to ____________.

A. Obtain instruction

B. Obtain input data

C. Obtain memory data

D. Implement a specific operation

439. _____________ refers to a program that translates and then immediately executes statements in a high level language.

A. Interpreter

B. Synchronous

C. Interface

D. Operating system

440. A _____________ is an instruction in a source language that is to be replaced by a defined sequence of instructions in the same source language.

A. Statement

B. Source code

C. Mnemonic

D. Macro-instruction

441. A very high-dense and probably the most versatile integrated circuit used in digital electronics. It is known to function as the central processing unit of most computer

applications.

A. Microcomputer

B. Micro-integrated

C. Macro-integrated

D. Microprocessor

442. The smallest computer in terms of physical size

A. Microcomputer

B. Minicomputer

C. Mainframe

D. Host computer

443. A logic/digital circuit that generates an output code for every input signal.

A. Enhancer

B. Compressor

C. Encoder

D. Decoder

444. What code that gives each digit of a decimal number with a corresponding binary equivalent?

A. Binary code

B. Gray code

C. ASCII

D. Binary coded decimal

445. Which of the code below is considered as minimum-change code?

A. Gray code

B. ASCII

C. BCD

D. ARINC

446. A 7-bit alphanumeric code that is widely used

A. Gray code

B. ASCII

C. BCD

D. ARINC

447. The op-code of a computer instruction

A. Mnemonic

B. Bionic

C. Operand

D. Program

448. An instruction that causes the program to go another task.

A. FLIP

B. SUB

C. JUMP

D. MOVE

449. An instruction that can move data from memory to the accumulator.

A. FETCH

B. MOVE

C. ACC

D. LOAD

450. An instruction tat moves data from accumulator to the memory

A. FETCH

B. MOVE

C. STORE

D. LOAD

Questions and Answers in Computer Fundamentals

Following is the list of multiple choice questions in this brand new series:

Complete List of MCQ in Electronics Engineering per topic