Optical Mouse invented in the year _______.

(a)

1968

(b)

1973

(c)

1988

(d)

1981

Identify the statement which is wrong?

(a)

ALU performs addition, subtraction

(b)

ALU controls flow of data between the CPU, memory and I/O devices

(c)

Control unit controls the entire operation of computer

(d)

The logical operation of ALU promotes the decision making

The base of an octal number system is represented by............

(a)

2

(b)

8

(c)

7

(d)

None

Pick the odd one.

(a)

BCD

(b)

ENIAC

(c)

ASCII

(d)

EBCDIC

In 8 bit processor, its MDR and the word in the......... memory have bits

(a)

16

(b)

 8

(c)

 256

(d)

 64

How many types of operations the instruction set carried out?

(a)

6

(b)

5

(c)

4

(d)

More than 6 

The_________ is the major component of a computer, which performs all tasks.

(a)

CPU

(b)

MDR

(c)

MAR

(d)

RISC

An average human ear can detect sound waves between ___________.

(a)

20 to 200 Hz

(b)

20 to 2000 Hz

(c)

20 to 20000 Hz

(d)

20 to 200000 Hz

Which port is used to LCD projector.

(a)

SCSI

(b)

PS/2

(c)

Audio

(d)

VGA port

The opening screen of Windows is called ______

(a)

Window

(b)

Workspace

(c)

task bar

(d)

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