WorksheetsDosik
Total questions: 40
Worksheet time: 20mins
The brain of any computer system is
Control unit
CPU
Assembler
CPU cycle
A memory bus is mainly used for communication between
Second generation
processor
Plotter
memory
What difference does the 5th generation computer have from other generation computers?
Control unit
Abacus
Technological advancement
Computer program
The transistorized computer circuits were introduced in the
Second generation
First generation
generation
Digital generation
The tracks on a disk which can be accessed without repositioning the R/W heads is
Konys
Cylinder
Assembler
Conversion of an octal number 256 to binary number is
11111010
10101111
10101010
10101110
Which of the following is the 1's complement of 10?
01
02
04
03
The arranging of data in a logical sequence is called:
Assembler
sorting
Device
Database
Which part interprets program instructions and initiate control operations.
Arifmetic logic unit
ALU
CPU
Control unit
Continuous line drawing is produced using
Plotters
Usb-Flash
Printers
Skanners
The binary system uses powers of
3
5
2
4
Who is the creator of the PASCAL language?
Charles Babbage
Blaise Pascal
Niklaus Wirth
Charles Pascal
A computer program that converts assembly language to machine language is
Pascal
Assembler
Python
Data science
The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as
Control unit
Register
CPU
ALU
The time required for the fetching and execution of one simple machine instruction is
CPU cycle
Control unit
CPU science
ALU
Which printer uses a combination of laser-beam & electro photographic techniques.
Laser plotters
Laser scanners
Laser speakers
Laser printers
Binary numbers need more places for counting because
Binary base is big
Binary base is small
Binary science is small
Binary science is big
A notation used to express clearly on algorithm is known as
Algorithmic language
Arifmetic language
ALU
Which computer has been designed to be as compact as possible?
Micro computer
Computer
Plotter
System unit
A central computer surrounded by one or more satellite computers is called a
network star
Star network
Network
Which of the following is still useful for adding numbers?
Central processing unit
Arifmegic logic unit
Control unit
Abacus
Which of the following input/output devices is not associated with personal computers?
Cards
Buses and cards
punched cards
Arifmetic cards
A general purpose single-user microcomputer designed to be operated by one person at a time is
Data science
PC
ASCCI
First generation computers are characterized by
Vacuum tubes
Algorithmic drum
magnetic drum
Arifmetic tubes
ASCII stands for
American standard code for information into
American stand code for information into
American standard code for information interchange
What is the number of bit patterns provided by a 7-bit code?
128
127
129
126
Which device of computer operation dispenses with the use of the keyboard?
Printer
Mouse
Webcam
Monitor
Third generation computers
HP
Predator
None of these
Asus nitro5
Which output device is used for translating information from a computer into pictorial form on paper.
Printer
Scanner
Plotter
The third generation of computers covers the period:
1955-1960
1960-1965
1970-1975
1965-1970
The list of coded instructions is called
Computer device
Computer program
Computer essentials
Computer system
Which of the following memories must be refreshed many times per second?
Dynamic RAM
Dynamic ROM
Dynamic RAM and ROM
Ram and Rom
The first mechanical calculating machine was made by
Blaise Pascal
Charles Babbage
Niklaus Wirth
Charles Pascal
The computer industry uses prefixes of Greek origin to measure large amounts of data. Which term describes 1024 bytes.
Terabyte
Byte
Kilobyte
Megabyte
Multiplication of 1112 by 1012 is
101011
100101
100010
100011
The OR, XOR & AND functions can be performed by _____ of the computer in a CPU.
Control unit
Register
ALU
Main memory
Conversion of an octal number 20 to its binary number is
10000
11000
10100
11100
Which company is the biggest player in the microprocessor industry?
Lenux
Intel
hp
Windows
Which of the following can be output by a computer?
Monitor
Printer
All of these
Who is called the "grandfather" of the computer?
Blaise Pascal
Charles Babbage
Charles Pascal
Niklaus Wirth
