Computer Science Set-5 | Qu-50 | MCQ | PGT | BPSC TRE | STET | UGC Net

Computer Science MCQ SET-5 (50 Qu.)

Question 1: Decimal 81 in octal will be..?

1. 101
2. 121
3. 81
4. 111

Question 2: A memory in CPU that holds program instructions, input data, intermediate results and the output information produced during processing is

1. Secondary memory
2. Primary memory
3. Tertiary memory
4. Auxiliary memory

Question 3: In hexadecimal nember 15 wil be as .

1. E
2. D
3. A
4. F

Question 4: A CPU contains _____________.

1. a card reader and a printing device
2. an analytical engine and a control unit
3. a control unit and an arithmetic logic unit
4. an arithmetic logic unit and a card reader

Question 5: decimal (-)9 will be in signed binary.

1. 11001
2. 01001
3. 10001
4. 11111

Question 6: Encryption and decryption are function of...?

1. Transport Layer
2. Session layer
3. Presentation layer
4. All of the above

Question 7: Which of the following logic families is well suited for high speed operations?

1. TTL
2. ECL
3. MOS
4. CMOS

Question 8: Signed BINARY ‘101’ means in decimal?

1. +2
2. +3
3. -1
4. -2

Question 9: Multiplexing involves ______ path and _______ channel.

1. one, one
2. multiple, one
3. one, multiple
4. multiple, multiple

Question 10: In Excel, Chart are created using which option?

1. Chart Wizard
2. Pivot Table
3. Pie Chart
4. Bar Chart

Question 11: Which of the following programming languages is associated with Artificial Intelligence?

1. B
2. A++
3. C++
4. PROLOG

Question 12: CDs are of which shape?

1. Square
2. Round
3. Hexagonal
4. Rectangular

Question 13: We can repeat narration by pressing…?

1. Ctrl + R
2. Alt + R
3. Shift + R
4. Alt + Shift + R

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Question 14: The first step in the transaction processing cycle is?

1. database operations
2. audit
3. data entry
4. user inquiry

Question 15: Producing output involves..?

1. accepting information from the outside world
2. communication with another computer
3. communicating information to the outside world
4. communication through cables

Question 16: ____________ is the science revolving around the use of nano structures to build devices on an extremely small scale.

1. Nanotechnology
2. Micro-technology
3. Computer forensics
4. Artificial intelligence

Question 17: From 6 digit bit how many octal numbers can be written- ?

1. 12
2. 16
3. 13
4. 6

Question 18: Which one of the following is an email program?

1. MS-word
2. Thunderbird
3. Internet Explorer
4. All of the above

Question 19: Which of the following code used in present day computing was developed by IBM Corporation?

1. ASCII
2. Hollerith Code
3. EBCDIC Code
4. Baudot Code

Question 20: Removing and replacing devices without turning off your computer is

1. Hot swapping
2. Plug-n-Play
3. Bay swap
4. USB swapping

Question 21: A computer program that converts an entire program into machine language is called a/an –?

1. Simulator
2. Interpreter
3. Compiler
4. Commander

Question 22: The term bit is short for:

1. megabyte
2. binary language
3. binary digit
4. binary number

Question 23: Another word for the CPU is..?

1. Microprocessor
2. Execute
3. Microchip
4. Decode

Question 24: Which of the following storage media provides sequential access only?

1. Floppy disk
2. Magnetic disk
3. Magnetic tape
4. Optical disk

Question 25: What is full form of SMPS?

1. Storage Mode Power Shortage
2. Simple Mode Power Supply
3. Switch Mode Power Supply
4. Storage Mode Power Supply

Question 26: Who invented the high level language "C‟?

1. Dennis M. Ritchie
2. Donald Kunth
3. Seymour Papert
4. NiklausWrith

Question 27: Which of the following is not a computer programming language?

1. Windows 10
2. Pascal
3. BASIC
4. COBOL

Question 28: A web site address is a unique name that identifies a ________ specific on the web.

1. Web browser
2. website
3. PDA
4. link

Question 29: A program written in a high level language is referred to as :

1. Source code
2. Object code
3. Machine code
4. Assembly code

Question 30: Which multiplexing techniques transmits analog signals ?

1. FDM
2. Synchronous TDM
3. Asynchronous TDM
4. Both (b) and (c)

Question 31: The ________ folder retains copies of messages that you have started but are not yet ready to send.

1. Drafts
2. Outbox
3. Address Book
4. Inbox

Question 32: In hexadecimal number 10 will bs as..?

1. D
2. F
3. E
4. A

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Question 33: The name a user assigns to a document is called a?

1. filename
2. program
3. record
4. data

Question 34: The data on floppy disks are recorded in rings called ____________

1. rounders
2. ringers
3. tracks
4. sectors 47

Question 35: Where does a computer add and compare data?

1. Hard disk
2. Floppy disk
3. CPU chip
4. Memory chip

Question 36: The most popular secondary storage today is:

1. Magnetic tape
2. Floppy disk
3. Mass storage
4. Semiconductor

Question 37: Which of following is hardware and not a software?

1. Excel
2. Printer driver
3. Operating system
4. System board

Question 38: A Web _________ consists of one or more Web pages located on a Web server.

1. hub
2. site
3. story
4. template

Question 39: The least powerful computer is _______________.

1. Minicomputer
2. Microcomputer
3. Mainframe computer
4. All of the above

Question 40: All of the following are examples of storage devices EXCEPT:

1. hard disk drives
2. printers
3. floppy disk drives
4. CD drives

Question 41: When sending an e-mail, the _____line describes the contents of the message.

1. Subject
2. To
3. Contents
4. CC

Question 42: In magnetic disks, data is organized on the platter in a concentric sets of rings called:

1. Sector
2. Track
3. Head
4. Block

Question 43: What location would be described by the cell E12?

1. Column E on row 12
2. Column 12 on row E
3. Column E
4. All the above

Question 44: A screen list of options in a program that tells you what is in that program ____________.

1. screen
2. icon
3. menu
4. backup

Question 45: In one Octal character how many bits ..?

1. 3
2. 2
3. 1
4. 0

Question 46: Which of the following must be contained in a URL?

1. A protocol identifier
2. The letters WWW
3. The unique registered domain name
4. a protocol identifier, www. and the unique registered domain name

Question 47: Multi user systems provided cost savings for small business because they use a Single Processing Unit to link several..?

1. Personal computers
2. Dumb terminals
3. Workstations
4. Mainframes

Question 48:  _________ cells involves creating a single cells by combining two or more selected cells.

1. formatting
2. Merging
3. Embedding
4. Splitting

Question 49: A tape drive offers _________ access to data.

1. sporadic
2. timely
3. sequential
4. random

Question 50: To protect yourself from computer hacker intrusions you should install a?

1. firewall
2. macro
3. mailer
4. script