R4RIN – MCQs, Mock Tests | Computer Computer Basics MCQS Paper 1

A hybrid computer

1. Resembles digital computer
2. Resembles analogue computer
3. Resembles both a digital and analogue computer
4. None of the above

✅ Correct Answer: 3

Which type of computers uses the 8-bit code called EBCDIC?

1. Minicomputers
2. Microcomputers
3. Mainframe computers
4. Super computer

✅ Correct Answer: 3

The ALU of a computer responds to the commands coming from

1. Primary memory
2. Control section
3. External memory
4. Cache memory

✅ Correct Answer: 2

Chief component of first generation computer was

1. Transistors
2. Vacuum Tubes and Valves
3. Integrated Circuits
4. None of above

✅ Correct Answer: 2

To produce high quality graphics (hardcopy) in color, you would want to use a/n

1. RGB monitor
2. Plotter
3. Ink-jet printer
4. Laser printer

✅ Correct Answer: 2

What are the stages in the compilation process?

1. Feasibility study, system design and testing
2. Implementation and documentation
3. Lexical Analysis, syntax analysis, and code generation
4. None of the above

✅ Correct Answer: 3

Which of the following IC was used in third generation of computers?

1. SSI
2. MSI
3. LSI
4. Both a and b

✅ Correct Answer: 4

The main electronic component used in first generation computers was

1. Transistors
2. Vacuum Tubes and Valves
3. Integrated Circuits
4. None of above

✅ Correct Answer: 2

A dumb terminal has

1. an embedded microprocessor
2. extensive memory
3. independent processing capability
4. a keyboard and screen

✅ Correct Answer: 4

One millisecond is

1. 1 second
2. 10th of a seconds
3. 1000th of a seconds
4. 10000th of a seconds

✅ Correct Answer: 3

The output quality of a printer is measured by

1. Dot per sq. inch
2. Dot per inch
3. Dots printed per unit time
4. All of the above

✅ Correct Answer: 1

Which of the following was a special purpose computer?

1. ABC
2. ENIAC
3. EDVAC
4. All of the above

✅ Correct Answer: 1

What was the computer invented by Attanasoff and Clifford?

1. Mark I
2. ABC
3. Z3
4. None of above

✅ Correct Answer: 2

Which of the following storage devices can store maximum amount of data?

1. Floppy Disk
2. Hard Disk
3. Compact Disk
4. Magneto Optic Disk

✅ Correct Answer: 2

Which computer was considered the first electronic computer until 1973 when court invalidated the patent?

1. ENIAC
2. MARK I
3. Z3
4. ABC

✅ Correct Answer: 1

A physical connection between the microprocessor memory and other parts of the microcomputer is known as

1. Path
2. Address bus
3. Route
4. All of the above

✅ Correct Answer: 2

High density double sided floppy disks could store _____ of data

1. 1.40 MB
2. 1.44 GB
3. 1.40 GB
4. 1.44 MB

✅ Correct Answer: 4

A high quality CAD system uses the following for printing drawing and graphs

1. Dot matrix printer
2. Digital plotter
3. Line printer
4. All of the above

✅ Correct Answer: 2

Which of the following is not an input device?

1. OCR
2. Optical scanners
3. Voice recognition device
4. COM (Computer Output to Microfilm)

✅ Correct Answer: 4

The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately

1. 16 digits
2. 6 digits
3. 9 digits
4. All of the above

✅ Correct Answer: 2

In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board?

1. Motherboard
2. Daughterboard
3. Bredboard
4. Fatherboard

✅ Correct Answer: 1

In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board What is the name of this board?

1. Motherboard
2. Breadboard
3. Daughter board
4. Grandmother board

✅ Correct Answer: 1

Magnetic disks are the most popular medium for

1. Direct access
2. Sequential access
3. Both of above
4. None of above

✅ Correct Answer: 3

A technique used by codes to convert an analog signal into a digital bit stream is known as

1. Pulse code modulation
2. Pulse stretcher
3. Query processing
4. Queue management

✅ Correct Answer: 1

Regarding a VDU, Which statement is more correct

1. It is an output device
2. It is an input device
3. It is a peripheral device
4. It is hardware item

✅ Correct Answer: 3

A modern electronic computer is a machine that is meant for

1. Doing quick mathematical calculations
2. Input, storage, manipulation and outputting of data
3. Electronic data processing
4. Performing repetitive tasks accurately

✅ Correct Answer: 2

When was vacuum tube invented?

1. 1900
2. 1906
3. 1910
4. 1880

✅ Correct Answer: 2

Which of the following produces the best quality graphics reproduction?

1. Laser printer
2. Ink jet printer
3. Plotter
4. Dot matrix printer

✅ Correct Answer: 3

Computers with 80286 microprocessor is

1. XT computer
2. AT comptuers
3. PS/2 computer
4. None of above

✅ Correct Answer: 2

An application suitable for sequential processing is

1. Processing of grades
2. Payroll processing
3. Both a and b
4. All of above

✅ Correct Answer: 3

Which of the following is not processing?

1. arranging
2. manipulating
3. calculating
4. gathering

✅ Correct Answer: 4

The digital computer was developed primarily in

1. USSR
2. Japan
3. USA
4. UK

✅ Correct Answer: 3

Software in computer

1. Enhances the capabilities of the hardware machine
2. Increase the speed of central processing unit
3. Both of above
4. None of above

✅ Correct Answer: 1

Today?s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?

1. Tabulator Machine Co
2. Computing Tabulating Recording Co
3. The Tabulator Ltd
4. International Computer Ltd

✅ Correct Answer: 2

Before a disk drive can access any sector record, a computer program has to provide the record?s disk address. What information does this address specify?

1. Track number
2. Sector number
3. Surface number
4. All of above

✅ Correct Answer: 4

The arranging of data in a logical sequence is called

1. Sorting
2. Classifying
3. Reproducing
4. Summarizing

✅ Correct Answer: 1

What is the responsibility of the logical unit in the CPU of a computer?

1. To produce result
2. To compare numbers
3. To control flow of information
4. To do math?s works

✅ Correct Answer: 2

Abacus was the first

1. electronic computer
2. mechanical computer
3. electronic calculator
4. mechanical calculator

✅ Correct Answer: 4

If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be

1. 216
2. 65,536
3. 64K
4. Any of the above

✅ Correct Answer: 2

Instructions and memory address are represented by

1. Character code
2. Binary codes
3. Binary word
4. Parity bit

✅ Correct Answer: 2

The terminal device that functions as a cash register, computer terminal, and OCR reader is the

1. Data collection terminal
2. OCR register terminal
3. Video Display terminal
4. POS terminal

✅ Correct Answer: 4

A set of flip flops integrated together is called ____

1. Counter
2. Adder
3. Register
4. None of the above

✅ Correct Answer: 3

People often call ______ as the brain of computer system

1. Control Unit
2. Arithmetic Logic Unit
3. Central Processing Unit
4. Storage Unit

✅ Correct Answer: 3

Which is used for manufacturing chips?

1. Bus
2. Control unit
3. Semiconductors
4. A and b only

✅ Correct Answer: 3

The value of each bead in heaven is

1. 1
2. 3
3. 5
4. 7

✅ Correct Answer: 3

The first computer introduced in Nepal was

1. IBM 1400
2. IBM 1401
3. IBM 1402
4. IBM1402

✅ Correct Answer: 2

Mnemonic a memory trick is used in which of the following language?

1. Machine language
2. Assembly language
3. High level language
4. None of above

✅ Correct Answer: 2

Instruction in computer languages consists of

1. OPCODE
2. OPEARND
3. Both of above
4. None of above

✅ Correct Answer: 3

Which generation of computer is still under development

1. Fourth Generation
2. Fifth Generation
3. Sixth Generation
4. Seventh Generation

✅ Correct Answer: 2

A register organized to allow to move left or right operations is called a ____

1. Counter
2. Loader
3. Adder
4. Shift register

✅ Correct Answer: 4